(default settings) |
 brave 1.49 |
 chrome 112.5615 |
 duckduckgo 7.72 |
 edge 112.1722 |
 firefox 112.2 |
 focus 112.0 |
 opera 3.6 |
 safari 16.4 |
 yandex 2303.6 |
|---|---|---|---|---|---|---|---|---|---|
|
State Partitioning tests
Which browsers isolate websites to prevent them from sharing data to track you?
A common vulnerability of web browsers is that they allow tracking companies to 'tag' your browser with some data ('state') that identifies you. When third-party trackers are embedded in websites, they can see this identifying data as you browse to different websites. Fortunately, it is possible for this category of leaks to be fixed by partitioning all data stored in the browser such that no data can be shared between websites.
| |||||||||
Alt-SvcAlt-Svc allows the server to indicate to the web browser that a resource should be loaded on a different server. Because this is a persistent setting, it could be used to track users across websites if it is not correctly partitioned. | –
write: async () => {
// Clear Alt-Svc caching first.
let responseText = "";
await fetch("https://altsvc.privacytests2.org:4433/clear");
await sleepMs(100);
responseText = await fetchText("https://altsvc.privacytests2.org:4433/protocol");
console.log("after clear:", responseText);
// Store "h3" state in Alt-Svc cache
await fetch("https://altsvc.privacytests2.org:4433/set");
await sleepMs(100);
responseText = await fetchText("https://altsvc.privacytests2.org:4433/protocol");
console.log("after set:", responseText);
}
read: async () => {
const protocol = await fetchText("https://altsvc.privacytests2.org:4433/protocol");
if ((new URL(location)).searchParams.get("thirdparty") === "same") {
if (protocol !== "h3") {
throw new Error("Unsupported");
}
}
return protocol;
}
result, same first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
result, different first party: h2, h2, h2, h2, h2
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: async () => {
// Clear Alt-Svc caching first.
let responseText = "";
await fetch("https://altsvc.privacytests2.org:4433/clear");
await sleepMs(100);
responseText = await fetchText("https://altsvc.privacytests2.org:4433/protocol");
console.log("after clear:", responseText);
// Store "h3" state in Alt-Svc cache
await fetch("https://altsvc.privacytests2.org:4433/set");
await sleepMs(100);
responseText = await fetchText("https://altsvc.privacytests2.org:4433/protocol");
console.log("after set:", responseText);
}
read: async () => {
const protocol = await fetchText("https://altsvc.privacytests2.org:4433/protocol");
if ((new URL(location)).searchParams.get("thirdparty") === "same") {
if (protocol !== "h3") {
throw new Error("Unsupported");
}
}
return protocol;
}
result, same first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
result, different first party: h2, h2, h2, h2, h2
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: async () => {
// Clear Alt-Svc caching first.
let responseText = "";
await fetch("https://altsvc.privacytests2.org:4433/clear");
await sleepMs(100);
responseText = await fetchText("https://altsvc.privacytests2.org:4433/protocol");
console.log("after clear:", responseText);
// Store "h3" state in Alt-Svc cache
await fetch("https://altsvc.privacytests2.org:4433/set");
await sleepMs(100);
responseText = await fetchText("https://altsvc.privacytests2.org:4433/protocol");
console.log("after set:", responseText);
}
read: async () => {
const protocol = await fetchText("https://altsvc.privacytests2.org:4433/protocol");
if ((new URL(location)).searchParams.get("thirdparty") === "same") {
if (protocol !== "h3") {
throw new Error("Unsupported");
}
}
return protocol;
}
result, same first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
result, different first party: h2, h2, h2, h2, h2
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: async () => {
// Clear Alt-Svc caching first.
let responseText = "";
await fetch("https://altsvc.privacytests2.org:4433/clear");
await sleepMs(100);
responseText = await fetchText("https://altsvc.privacytests2.org:4433/protocol");
console.log("after clear:", responseText);
// Store "h3" state in Alt-Svc cache
await fetch("https://altsvc.privacytests2.org:4433/set");
await sleepMs(100);
responseText = await fetchText("https://altsvc.privacytests2.org:4433/protocol");
console.log("after set:", responseText);
}
read: async () => {
const protocol = await fetchText("https://altsvc.privacytests2.org:4433/protocol");
if ((new URL(location)).searchParams.get("thirdparty") === "same") {
if (protocol !== "h3") {
throw new Error("Unsupported");
}
}
return protocol;
}
result, same first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
result, different first party: h2, h2, h2, h2, h2
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: async () => {
// Clear Alt-Svc caching first.
let responseText = "";
await fetch("https://altsvc.privacytests2.org:4433/clear");
await sleepMs(100);
responseText = await fetchText("https://altsvc.privacytests2.org:4433/protocol");
console.log("after clear:", responseText);
// Store "h3" state in Alt-Svc cache
await fetch("https://altsvc.privacytests2.org:4433/set");
await sleepMs(100);
responseText = await fetchText("https://altsvc.privacytests2.org:4433/protocol");
console.log("after set:", responseText);
}
read: async () => {
const protocol = await fetchText("https://altsvc.privacytests2.org:4433/protocol");
if ((new URL(location)).searchParams.get("thirdparty") === "same") {
if (protocol !== "h3") {
throw new Error("Unsupported");
}
}
return protocol;
}
result, same first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
result, different first party: h2, h2, h2, h2, h2
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: async () => {
// Clear Alt-Svc caching first.
let responseText = "";
await fetch("https://altsvc.privacytests2.org:4433/clear");
await sleepMs(100);
responseText = await fetchText("https://altsvc.privacytests2.org:4433/protocol");
console.log("after clear:", responseText);
// Store "h3" state in Alt-Svc cache
await fetch("https://altsvc.privacytests2.org:4433/set");
await sleepMs(100);
responseText = await fetchText("https://altsvc.privacytests2.org:4433/protocol");
console.log("after set:", responseText);
}
read: async () => {
const protocol = await fetchText("https://altsvc.privacytests2.org:4433/protocol");
if ((new URL(location)).searchParams.get("thirdparty") === "same") {
if (protocol !== "h3") {
throw new Error("Unsupported");
}
}
return protocol;
}
result, same first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
result, different first party: h2, h2, h2, h2, h2
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: async () => {
// Clear Alt-Svc caching first.
let responseText = "";
await fetch("https://altsvc.privacytests2.org:4433/clear");
await sleepMs(100);
responseText = await fetchText("https://altsvc.privacytests2.org:4433/protocol");
console.log("after clear:", responseText);
// Store "h3" state in Alt-Svc cache
await fetch("https://altsvc.privacytests2.org:4433/set");
await sleepMs(100);
responseText = await fetchText("https://altsvc.privacytests2.org:4433/protocol");
console.log("after set:", responseText);
}
read: async () => {
const protocol = await fetchText("https://altsvc.privacytests2.org:4433/protocol");
if ((new URL(location)).searchParams.get("thirdparty") === "same") {
if (protocol !== "h3") {
throw new Error("Unsupported");
}
}
return protocol;
}
result, same first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
result, different first party: h2, h2, h2, h2
unsupported: true, true, true, true
passed: undefined
test failed: false, false, false, false
| –
write: async () => {
// Clear Alt-Svc caching first.
let responseText = "";
await fetch("https://altsvc.privacytests2.org:4433/clear");
await sleepMs(100);
responseText = await fetchText("https://altsvc.privacytests2.org:4433/protocol");
console.log("after clear:", responseText);
// Store "h3" state in Alt-Svc cache
await fetch("https://altsvc.privacytests2.org:4433/set");
await sleepMs(100);
responseText = await fetchText("https://altsvc.privacytests2.org:4433/protocol");
console.log("after set:", responseText);
}
read: async () => {
const protocol = await fetchText("https://altsvc.privacytests2.org:4433/protocol");
if ((new URL(location)).searchParams.get("thirdparty") === "same") {
if (protocol !== "h3") {
throw new Error("Unsupported");
}
}
return protocol;
}
result, same first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
result, different first party: h2, h2, h2, h2, h2
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: async () => {
// Clear Alt-Svc caching first.
let responseText = "";
await fetch("https://altsvc.privacytests2.org:4433/clear");
await sleepMs(100);
responseText = await fetchText("https://altsvc.privacytests2.org:4433/protocol");
console.log("after clear:", responseText);
// Store "h3" state in Alt-Svc cache
await fetch("https://altsvc.privacytests2.org:4433/set");
await sleepMs(100);
responseText = await fetchText("https://altsvc.privacytests2.org:4433/protocol");
console.log("after set:", responseText);
}
read: async () => {
const protocol = await fetchText("https://altsvc.privacytests2.org:4433/protocol");
if ((new URL(location)).searchParams.get("thirdparty") === "same") {
if (protocol !== "h3") {
throw new Error("Unsupported");
}
}
return protocol;
}
result, same first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
result, different first party: h2, h2, h2, h2, h2
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
|
blobA 'blob URL' is a local reference to some raw data. Trackers can use a blob URL to share data between websites. |
write: (secret) => {
try {
let blobURL = URL.createObjectURL(new Blob([secret]));
fetch(`${baseURI}blob?mode=write&key=${secret}&blobUrl=${encodeURIComponent(blobURL)}`);
} catch (e) {
throw new Error("Unsupported");
}
}
read: async (secret) => {
let response = await fetch(`${baseURI}blob?mode=read&key=${secret}`);
let result = await response.json();
let blobUrl = decodeURIComponent(result.blobUrl);
let blobResponse = await fetch(blobUrl);
return blobResponse.text();
}
result, same first party: 0e9db74c-bb8c-46a6-9962-1875e75662ca, 9570ca4c-f28c-4009-ab0a-5c461889d186, e673400c-2825-45a7-a205-c2e8e61133d3, ab488a5a-aac4-428e-839d-42da19904af7, cb5bef9c-c1e0-48ff-9100-bdc60d8ffeb4
result, different first party: 0e9db74c-bb8c-46a6-9962-1875e75662ca, 9570ca4c-f28c-4009-ab0a-5c461889d186, e673400c-2825-45a7-a205-c2e8e61133d3, ab488a5a-aac4-428e-839d-42da19904af7, cb5bef9c-c1e0-48ff-9100-bdc60d8ffeb4
unsupported: false, false, false, false, false
passed: false, false, false, false, false
test failed: false, false, false, false, false
|
write: (secret) => {
try {
let blobURL = URL.createObjectURL(new Blob([secret]));
fetch(`${baseURI}blob?mode=write&key=${secret}&blobUrl=${encodeURIComponent(blobURL)}`);
} catch (e) {
throw new Error("Unsupported");
}
}
read: async (secret) => {
let response = await fetch(`${baseURI}blob?mode=read&key=${secret}`);
let result = await response.json();
let blobUrl = decodeURIComponent(result.blobUrl);
let blobResponse = await fetch(blobUrl);
return blobResponse.text();
}
result, same first party: 0d2d1067-e166-496b-a470-3eafc9296301, f15f5053-bea5-4f0d-a5b1-5c221a3b6e8a, 209aff25-119c-4f49-afe1-39a7d9dae4e2, ce84dfe4-5628-476f-990c-5a8858d0e162, ccf35cdd-8fc4-4a11-87d0-bb76e252cc3e
result, different first party: 0d2d1067-e166-496b-a470-3eafc9296301, f15f5053-bea5-4f0d-a5b1-5c221a3b6e8a, 209aff25-119c-4f49-afe1-39a7d9dae4e2, ce84dfe4-5628-476f-990c-5a8858d0e162, ccf35cdd-8fc4-4a11-87d0-bb76e252cc3e
unsupported: false, false, false, false, false
passed: false, false, false, false, false
test failed: false, false, false, false, false
|
write: (secret) => {
try {
let blobURL = URL.createObjectURL(new Blob([secret]));
fetch(`${baseURI}blob?mode=write&key=${secret}&blobUrl=${encodeURIComponent(blobURL)}`);
} catch (e) {
throw new Error("Unsupported");
}
}
read: async (secret) => {
let response = await fetch(`${baseURI}blob?mode=read&key=${secret}`);
let result = await response.json();
let blobUrl = decodeURIComponent(result.blobUrl);
let blobResponse = await fetch(blobUrl);
return blobResponse.text();
}
result, same first party: 1e3f5991-37f7-416b-b616-1df5e5ba1268, 26fa378a-a811-4e5f-b0cc-aa60fb3fcf08, d95bb20e-44e3-4fc2-925e-337125ec7abd, 2c777d15-106c-483a-a10b-d91804c8ea57, 82ec9bed-3c49-4a85-b385-b8a775e44680
result, different first party: 1e3f5991-37f7-416b-b616-1df5e5ba1268, 26fa378a-a811-4e5f-b0cc-aa60fb3fcf08, d95bb20e-44e3-4fc2-925e-337125ec7abd, 2c777d15-106c-483a-a10b-d91804c8ea57, 82ec9bed-3c49-4a85-b385-b8a775e44680
unsupported: false, false, false, false, false
passed: false, false, false, false, false
test failed: false, false, false, false, false
|
write: (secret) => {
try {
let blobURL = URL.createObjectURL(new Blob([secret]));
fetch(`${baseURI}blob?mode=write&key=${secret}&blobUrl=${encodeURIComponent(blobURL)}`);
} catch (e) {
throw new Error("Unsupported");
}
}
read: async (secret) => {
let response = await fetch(`${baseURI}blob?mode=read&key=${secret}`);
let result = await response.json();
let blobUrl = decodeURIComponent(result.blobUrl);
let blobResponse = await fetch(blobUrl);
return blobResponse.text();
}
result, same first party: e6379eae-2e83-454d-bd6d-99d760386c7c, 9af50243-fd0a-412f-b292-a7606907e010, 15d419e5-5b11-417f-a121-10ebbf0f0f08, c9c112c0-e9cf-461d-b00e-5e41592edd5a, 60d3b4ea-a615-471c-b54e-df4fa0b29e93
result, different first party: e6379eae-2e83-454d-bd6d-99d760386c7c, 9af50243-fd0a-412f-b292-a7606907e010, 15d419e5-5b11-417f-a121-10ebbf0f0f08, c9c112c0-e9cf-461d-b00e-5e41592edd5a, 60d3b4ea-a615-471c-b54e-df4fa0b29e93
unsupported: false, false, false, false, false
passed: false, false, false, false, false
test failed: false, false, false, false, false
|
write: (secret) => {
try {
let blobURL = URL.createObjectURL(new Blob([secret]));
fetch(`${baseURI}blob?mode=write&key=${secret}&blobUrl=${encodeURIComponent(blobURL)}`);
} catch (e) {
throw new Error("Unsupported");
}
}
read: async (secret) => {
let response = await fetch(`${baseURI}blob?mode=read&key=${secret}`);
let result = await response.json();
let blobUrl = decodeURIComponent(result.blobUrl);
let blobResponse = await fetch(blobUrl);
return blobResponse.text();
}
result, same first party: 5c7cd729-86c0-45b5-99ef-b7699af99022, c0e2bc0f-7fd7-4e4c-94e6-41f01e02c5fe, 49b163aa-dd92-4ba2-9259-f5a735f197a0, 1392c610-dd35-4c17-a211-56413ac124d1, 606371cc-5885-4114-8a68-4f73bf21a6af
result, different first party: 5c7cd729-86c0-45b5-99ef-b7699af99022, c0e2bc0f-7fd7-4e4c-94e6-41f01e02c5fe, 49b163aa-dd92-4ba2-9259-f5a735f197a0, 1392c610-dd35-4c17-a211-56413ac124d1, 606371cc-5885-4114-8a68-4f73bf21a6af
unsupported: false, false, false, false, false
passed: false, false, false, false, false
test failed: false, false, false, false, false
|
write: (secret) => {
try {
let blobURL = URL.createObjectURL(new Blob([secret]));
fetch(`${baseURI}blob?mode=write&key=${secret}&blobUrl=${encodeURIComponent(blobURL)}`);
} catch (e) {
throw new Error("Unsupported");
}
}
read: async (secret) => {
let response = await fetch(`${baseURI}blob?mode=read&key=${secret}`);
let result = await response.json();
let blobUrl = decodeURIComponent(result.blobUrl);
let blobResponse = await fetch(blobUrl);
return blobResponse.text();
}
result, same first party: Error: Load failed, Error: Load failed, Error: Load failed, Error: Load failed, Error: Load failed
result, different first party: Error: Load failed, Error: Load failed, Error: Load failed, Error: Load failed, Error: Load failed
unsupported: false, false, false, false, false
passed: undefined
test failed: true, true, true, true, true
|
write: (secret) => {
try {
let blobURL = URL.createObjectURL(new Blob([secret]));
fetch(`${baseURI}blob?mode=write&key=${secret}&blobUrl=${encodeURIComponent(blobURL)}`);
} catch (e) {
throw new Error("Unsupported");
}
}
read: async (secret) => {
let response = await fetch(`${baseURI}blob?mode=read&key=${secret}`);
let result = await response.json();
let blobUrl = decodeURIComponent(result.blobUrl);
let blobResponse = await fetch(blobUrl);
return blobResponse.text();
}
result, same first party: 23216b20-c384-4f19-afaf-d3bd891ad25a, d74b0b8a-ad92-4bab-97e9-6d9b212e2b6b, dd1760fa-7f6c-44e9-b776-792d5842c9ee, fc0b3a06-3a6e-4a7c-826c-615119dd53c1
result, different first party: 23216b20-c384-4f19-afaf-d3bd891ad25a, d74b0b8a-ad92-4bab-97e9-6d9b212e2b6b, dd1760fa-7f6c-44e9-b776-792d5842c9ee, fc0b3a06-3a6e-4a7c-826c-615119dd53c1
unsupported: false, false, false, false
passed: false, false, false, false
test failed: false, false, false, false
|
write: (secret) => {
try {
let blobURL = URL.createObjectURL(new Blob([secret]));
fetch(`${baseURI}blob?mode=write&key=${secret}&blobUrl=${encodeURIComponent(blobURL)}`);
} catch (e) {
throw new Error("Unsupported");
}
}
read: async (secret) => {
let response = await fetch(`${baseURI}blob?mode=read&key=${secret}`);
let result = await response.json();
let blobUrl = decodeURIComponent(result.blobUrl);
let blobResponse = await fetch(blobUrl);
return blobResponse.text();
}
result, same first party: 0158d88c-cfbd-450f-ace7-427ef920bec2, f31901d2-7cc9-4c67-84a0-7547f7c2e446, a13c33a4-d3e8-44ed-8593-d046184cd225, 86991a77-cc95-4779-aa00-a2190db86cf0, 5d8faff3-0729-429c-8784-957c4d9a4e0b
result, different first party: 0158d88c-cfbd-450f-ace7-427ef920bec2, f31901d2-7cc9-4c67-84a0-7547f7c2e446, a13c33a4-d3e8-44ed-8593-d046184cd225, 86991a77-cc95-4779-aa00-a2190db86cf0, 5d8faff3-0729-429c-8784-957c4d9a4e0b
unsupported: false, false, false, false, false
passed: false, false, false, false, false
test failed: false, false, false, false, false
|
write: (secret) => {
try {
let blobURL = URL.createObjectURL(new Blob([secret]));
fetch(`${baseURI}blob?mode=write&key=${secret}&blobUrl=${encodeURIComponent(blobURL)}`);
} catch (e) {
throw new Error("Unsupported");
}
}
read: async (secret) => {
let response = await fetch(`${baseURI}blob?mode=read&key=${secret}`);
let result = await response.json();
let blobUrl = decodeURIComponent(result.blobUrl);
let blobResponse = await fetch(blobUrl);
return blobResponse.text();
}
result, same first party: b068c45e-5547-4f9a-bbb8-5c5c1af0aed0, c1a9a20c-5df5-44f3-bf96-cf7f3c08fb65, a18888c3-3c3f-473e-9107-7558a652b1a8, 7ce81469-874a-4f7b-af5b-8e240b569832, 56c791a1-a1a7-44ff-b941-b44f8db4c42c
result, different first party: b068c45e-5547-4f9a-bbb8-5c5c1af0aed0, c1a9a20c-5df5-44f3-bf96-cf7f3c08fb65, a18888c3-3c3f-473e-9107-7558a652b1a8, 7ce81469-874a-4f7b-af5b-8e240b569832, 56c791a1-a1a7-44ff-b941-b44f8db4c42c
unsupported: false, false, false, false, false
passed: false, false, false, false, false
test failed: false, false, false, false, false
|
BroadcastChannelA BroadcastChannel is designed to send messages between tabs. In some browsers it can be used for cross-site communication and tracking. |
write: (secret) => {
try {
let bc = new BroadcastChannel("secrets");
bc.onmessage = (event) => {
if (event.data === "request") {
bc.postMessage(secret);
}
};
} catch (e) {
throw new Error("Unsupported");
}
}
read: () =>
new Promise((resolve, reject) => {
let bc = new BroadcastChannel("secrets");
bc.onmessage = (event) => {
if (event.data !== "request") {
resolve(event.data);
}
};
bc.postMessage("request");
setTimeout(() => reject({message: "no BroadcastChannel message"}), 3000);
})
result, same first party: 0e9db74c-bb8c-46a6-9962-1875e75662ca, 9570ca4c-f28c-4009-ab0a-5c461889d186, e673400c-2825-45a7-a205-c2e8e61133d3, ab488a5a-aac4-428e-839d-42da19904af7, cb5bef9c-c1e0-48ff-9100-bdc60d8ffeb4
result, different first party: Error: no BroadcastChannel message, Error: no BroadcastChannel message, Error: no BroadcastChannel message, Error: no BroadcastChannel message, Error: no BroadcastChannel message
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => {
try {
let bc = new BroadcastChannel("secrets");
bc.onmessage = (event) => {
if (event.data === "request") {
bc.postMessage(secret);
}
};
} catch (e) {
throw new Error("Unsupported");
}
}
read: () =>
new Promise((resolve, reject) => {
let bc = new BroadcastChannel("secrets");
bc.onmessage = (event) => {
if (event.data !== "request") {
resolve(event.data);
}
};
bc.postMessage("request");
setTimeout(() => reject({message: "no BroadcastChannel message"}), 3000);
})
result, same first party: 0d2d1067-e166-496b-a470-3eafc9296301, f15f5053-bea5-4f0d-a5b1-5c221a3b6e8a, 209aff25-119c-4f49-afe1-39a7d9dae4e2, ce84dfe4-5628-476f-990c-5a8858d0e162, ccf35cdd-8fc4-4a11-87d0-bb76e252cc3e
result, different first party: Error: no BroadcastChannel message, Error: no BroadcastChannel message, Error: no BroadcastChannel message, Error: no BroadcastChannel message, Error: no BroadcastChannel message
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => {
try {
let bc = new BroadcastChannel("secrets");
bc.onmessage = (event) => {
if (event.data === "request") {
bc.postMessage(secret);
}
};
} catch (e) {
throw new Error("Unsupported");
}
}
read: () =>
new Promise((resolve, reject) => {
let bc = new BroadcastChannel("secrets");
bc.onmessage = (event) => {
if (event.data !== "request") {
resolve(event.data);
}
};
bc.postMessage("request");
setTimeout(() => reject({message: "no BroadcastChannel message"}), 3000);
})
result, same first party: 1e3f5991-37f7-416b-b616-1df5e5ba1268, 26fa378a-a811-4e5f-b0cc-aa60fb3fcf08, d95bb20e-44e3-4fc2-925e-337125ec7abd, 2c777d15-106c-483a-a10b-d91804c8ea57, 82ec9bed-3c49-4a85-b385-b8a775e44680
result, different first party: Error: no BroadcastChannel message, Error: no BroadcastChannel message, Error: no BroadcastChannel message, Error: no BroadcastChannel message, Error: no BroadcastChannel message
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => {
try {
let bc = new BroadcastChannel("secrets");
bc.onmessage = (event) => {
if (event.data === "request") {
bc.postMessage(secret);
}
};
} catch (e) {
throw new Error("Unsupported");
}
}
read: () =>
new Promise((resolve, reject) => {
let bc = new BroadcastChannel("secrets");
bc.onmessage = (event) => {
if (event.data !== "request") {
resolve(event.data);
}
};
bc.postMessage("request");
setTimeout(() => reject({message: "no BroadcastChannel message"}), 3000);
})
result, same first party: e6379eae-2e83-454d-bd6d-99d760386c7c, 9af50243-fd0a-412f-b292-a7606907e010, 15d419e5-5b11-417f-a121-10ebbf0f0f08, c9c112c0-e9cf-461d-b00e-5e41592edd5a, 60d3b4ea-a615-471c-b54e-df4fa0b29e93
result, different first party: Error: no BroadcastChannel message, Error: no BroadcastChannel message, Error: no BroadcastChannel message, Error: no BroadcastChannel message, Error: no BroadcastChannel message
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => {
try {
let bc = new BroadcastChannel("secrets");
bc.onmessage = (event) => {
if (event.data === "request") {
bc.postMessage(secret);
}
};
} catch (e) {
throw new Error("Unsupported");
}
}
read: () =>
new Promise((resolve, reject) => {
let bc = new BroadcastChannel("secrets");
bc.onmessage = (event) => {
if (event.data !== "request") {
resolve(event.data);
}
};
bc.postMessage("request");
setTimeout(() => reject({message: "no BroadcastChannel message"}), 3000);
})
result, same first party: 5c7cd729-86c0-45b5-99ef-b7699af99022, c0e2bc0f-7fd7-4e4c-94e6-41f01e02c5fe, 49b163aa-dd92-4ba2-9259-f5a735f197a0, 1392c610-dd35-4c17-a211-56413ac124d1, 606371cc-5885-4114-8a68-4f73bf21a6af
result, different first party: Error: no BroadcastChannel message, Error: no BroadcastChannel message, Error: no BroadcastChannel message, Error: no BroadcastChannel message, Error: no BroadcastChannel message
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => {
try {
let bc = new BroadcastChannel("secrets");
bc.onmessage = (event) => {
if (event.data === "request") {
bc.postMessage(secret);
}
};
} catch (e) {
throw new Error("Unsupported");
}
}
read: () =>
new Promise((resolve, reject) => {
let bc = new BroadcastChannel("secrets");
bc.onmessage = (event) => {
if (event.data !== "request") {
resolve(event.data);
}
};
bc.postMessage("request");
setTimeout(() => reject({message: "no BroadcastChannel message"}), 3000);
})
result, same first party: Error: no BroadcastChannel message, Error: no BroadcastChannel message, Error: no BroadcastChannel message, Error: no BroadcastChannel message, Error: no BroadcastChannel message
result, different first party: Error: no BroadcastChannel message, Error: no BroadcastChannel message, Error: no BroadcastChannel message, Error: no BroadcastChannel message, Error: no BroadcastChannel message
unsupported: false, false, false, false, false
passed: undefined
test failed: true, true, true, true, true
|
write: (secret) => {
try {
let bc = new BroadcastChannel("secrets");
bc.onmessage = (event) => {
if (event.data === "request") {
bc.postMessage(secret);
}
};
} catch (e) {
throw new Error("Unsupported");
}
}
read: () =>
new Promise((resolve, reject) => {
let bc = new BroadcastChannel("secrets");
bc.onmessage = (event) => {
if (event.data !== "request") {
resolve(event.data);
}
};
bc.postMessage("request");
setTimeout(() => reject({message: "no BroadcastChannel message"}), 3000);
})
result, same first party: 23216b20-c384-4f19-afaf-d3bd891ad25a, d74b0b8a-ad92-4bab-97e9-6d9b212e2b6b, dd1760fa-7f6c-44e9-b776-792d5842c9ee, fc0b3a06-3a6e-4a7c-826c-615119dd53c1
result, different first party: Error: no BroadcastChannel message, Error: no BroadcastChannel message, Error: no BroadcastChannel message, Error: no BroadcastChannel message
unsupported: false, false, false, false
passed: true, true, true, true
test failed: false, false, false, false
|
write: (secret) => {
try {
let bc = new BroadcastChannel("secrets");
bc.onmessage = (event) => {
if (event.data === "request") {
bc.postMessage(secret);
}
};
} catch (e) {
throw new Error("Unsupported");
}
}
read: () =>
new Promise((resolve, reject) => {
let bc = new BroadcastChannel("secrets");
bc.onmessage = (event) => {
if (event.data !== "request") {
resolve(event.data);
}
};
bc.postMessage("request");
setTimeout(() => reject({message: "no BroadcastChannel message"}), 3000);
})
result, same first party: 0158d88c-cfbd-450f-ace7-427ef920bec2, f31901d2-7cc9-4c67-84a0-7547f7c2e446, a13c33a4-d3e8-44ed-8593-d046184cd225, 86991a77-cc95-4779-aa00-a2190db86cf0, 5d8faff3-0729-429c-8784-957c4d9a4e0b
result, different first party: Error: no BroadcastChannel message, Error: no BroadcastChannel message, Error: no BroadcastChannel message, Error: no BroadcastChannel message, Error: no BroadcastChannel message
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => {
try {
let bc = new BroadcastChannel("secrets");
bc.onmessage = (event) => {
if (event.data === "request") {
bc.postMessage(secret);
}
};
} catch (e) {
throw new Error("Unsupported");
}
}
read: () =>
new Promise((resolve, reject) => {
let bc = new BroadcastChannel("secrets");
bc.onmessage = (event) => {
if (event.data !== "request") {
resolve(event.data);
}
};
bc.postMessage("request");
setTimeout(() => reject({message: "no BroadcastChannel message"}), 3000);
})
result, same first party: b068c45e-5547-4f9a-bbb8-5c5c1af0aed0, c1a9a20c-5df5-44f3-bf96-cf7f3c08fb65, a18888c3-3c3f-473e-9107-7558a652b1a8, 7ce81469-874a-4f7b-af5b-8e240b569832, 56c791a1-a1a7-44ff-b941-b44f8db4c42c
result, different first party: Error: no BroadcastChannel message, Error: no BroadcastChannel message, Error: no BroadcastChannel message, Error: no BroadcastChannel message, Error: no BroadcastChannel message
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
CacheStorageThe Cache API is a content storage mechanism originally introduced to support ServiceWorkers. If the same Cache object is accessible to multiple websites, it can be abused to track users. |
write: async (key) => {
try {
let cache = await caches.open("supercookies");
cache.addAll([`test.css?key=${key}`]);
} catch (e) {
throw new Error("Unsupported");
}
}
read: async () => {
let cache = await caches.open("supercookies");
let cacheKeys = await cache.keys();
let url = cacheKeys[0].url;
return (new URL(url)).searchParams.get("key");
}
result, same first party: 92038508-c686-42a4-861b-7f5193623665, 92038508-c686-42a4-861b-7f5193623665, 92038508-c686-42a4-861b-7f5193623665, 92038508-c686-42a4-861b-7f5193623665, 92038508-c686-42a4-861b-7f5193623665
result, different first party: Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url')
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
try {
let cache = await caches.open("supercookies");
cache.addAll([`test.css?key=${key}`]);
} catch (e) {
throw new Error("Unsupported");
}
}
read: async () => {
let cache = await caches.open("supercookies");
let cacheKeys = await cache.keys();
let url = cacheKeys[0].url;
return (new URL(url)).searchParams.get("key");
}
result, same first party: 7ecae44b-3cd2-417c-9b31-fc1e81c01af5, 7ecae44b-3cd2-417c-9b31-fc1e81c01af5, 7ecae44b-3cd2-417c-9b31-fc1e81c01af5, 7ecae44b-3cd2-417c-9b31-fc1e81c01af5, 7ecae44b-3cd2-417c-9b31-fc1e81c01af5
result, different first party: Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url')
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
try {
let cache = await caches.open("supercookies");
cache.addAll([`test.css?key=${key}`]);
} catch (e) {
throw new Error("Unsupported");
}
}
read: async () => {
let cache = await caches.open("supercookies");
let cacheKeys = await cache.keys();
let url = cacheKeys[0].url;
return (new URL(url)).searchParams.get("key");
}
result, same first party: d223e8e6-4d19-496f-ba83-c0247e18bd6e, d223e8e6-4d19-496f-ba83-c0247e18bd6e, d223e8e6-4d19-496f-ba83-c0247e18bd6e, d223e8e6-4d19-496f-ba83-c0247e18bd6e, d223e8e6-4d19-496f-ba83-c0247e18bd6e
result, different first party: Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url')
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
try {
let cache = await caches.open("supercookies");
cache.addAll([`test.css?key=${key}`]);
} catch (e) {
throw new Error("Unsupported");
}
}
read: async () => {
let cache = await caches.open("supercookies");
let cacheKeys = await cache.keys();
let url = cacheKeys[0].url;
return (new URL(url)).searchParams.get("key");
}
result, same first party: 32719bf8-7837-489b-8864-c9c8f1b6254f, 32719bf8-7837-489b-8864-c9c8f1b6254f, 32719bf8-7837-489b-8864-c9c8f1b6254f, 32719bf8-7837-489b-8864-c9c8f1b6254f, 32719bf8-7837-489b-8864-c9c8f1b6254f
result, different first party: Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url')
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
try {
let cache = await caches.open("supercookies");
cache.addAll([`test.css?key=${key}`]);
} catch (e) {
throw new Error("Unsupported");
}
}
read: async () => {
let cache = await caches.open("supercookies");
let cacheKeys = await cache.keys();
let url = cacheKeys[0].url;
return (new URL(url)).searchParams.get("key");
}
result, same first party: d6a84c44-647e-4c16-85e6-e4bb5cccc6b1, d6a84c44-647e-4c16-85e6-e4bb5cccc6b1, d6a84c44-647e-4c16-85e6-e4bb5cccc6b1, d6a84c44-647e-4c16-85e6-e4bb5cccc6b1, d6a84c44-647e-4c16-85e6-e4bb5cccc6b1
result, different first party: Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url')
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
try {
let cache = await caches.open("supercookies");
cache.addAll([`test.css?key=${key}`]);
} catch (e) {
throw new Error("Unsupported");
}
}
read: async () => {
let cache = await caches.open("supercookies");
let cacheKeys = await cache.keys();
let url = cacheKeys[0].url;
return (new URL(url)).searchParams.get("key");
}
result, same first party: Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url')
result, different first party: Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url')
unsupported: false, false, false, false, false
passed: undefined
test failed: true, true, true, true, true
|
write: async (key) => {
try {
let cache = await caches.open("supercookies");
cache.addAll([`test.css?key=${key}`]);
} catch (e) {
throw new Error("Unsupported");
}
}
read: async () => {
let cache = await caches.open("supercookies");
let cacheKeys = await cache.keys();
let url = cacheKeys[0].url;
return (new URL(url)).searchParams.get("key");
}
result, same first party: 71125b31-28c6-4ee7-87fc-99f9d48e6b8f, 71125b31-28c6-4ee7-87fc-99f9d48e6b8f, 71125b31-28c6-4ee7-87fc-99f9d48e6b8f, 71125b31-28c6-4ee7-87fc-99f9d48e6b8f
result, different first party: Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url')
unsupported: false, false, false, false
passed: true, true, true, true
test failed: false, false, false, false
|
write: async (key) => {
try {
let cache = await caches.open("supercookies");
cache.addAll([`test.css?key=${key}`]);
} catch (e) {
throw new Error("Unsupported");
}
}
read: async () => {
let cache = await caches.open("supercookies");
let cacheKeys = await cache.keys();
let url = cacheKeys[0].url;
return (new URL(url)).searchParams.get("key");
}
result, same first party: 8ea57a1f-fd33-425a-bfc1-c6c8f896dd3f, 8ea57a1f-fd33-425a-bfc1-c6c8f896dd3f, 8ea57a1f-fd33-425a-bfc1-c6c8f896dd3f, 8ea57a1f-fd33-425a-bfc1-c6c8f896dd3f, 8ea57a1f-fd33-425a-bfc1-c6c8f896dd3f
result, different first party: Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url')
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
try {
let cache = await caches.open("supercookies");
cache.addAll([`test.css?key=${key}`]);
} catch (e) {
throw new Error("Unsupported");
}
}
read: async () => {
let cache = await caches.open("supercookies");
let cacheKeys = await cache.keys();
let url = cacheKeys[0].url;
return (new URL(url)).searchParams.get("key");
}
result, same first party: b068c45e-5547-4f9a-bbb8-5c5c1af0aed0, c1a9a20c-5df5-44f3-bf96-cf7f3c08fb65, a18888c3-3c3f-473e-9107-7558a652b1a8, 7ce81469-874a-4f7b-af5b-8e240b569832, 56c791a1-a1a7-44ff-b941-b44f8db4c42c
result, different first party: Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url'), Error: undefined is not an object (evaluating 'cacheKeys[0].url')
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
cookie (HTTP)The cookie, first introduced by Netscape in 1994, is a small amount of data stored by your browser on a website's behalf. It has legitimate uses, but it is also the classic cross-site tracking mechanism, and today still the most popular method of tracking users across websites. Browsers can stop cookies from being used for cross-site tracking by either blocking or partitioning them. |
write: async (secret) => {
// Request a page that will send an HTTPOnly 'set-cookie' response header with secret value.
await fetch(`${baseURI}cookie?secret=${secret}_http`);
}
read: async () => {
// Test if we now send a requests with a 'cookie' header containing the secret.
let response = await fetch(`${baseURI}headers`);
let cookie = (await response.json())["cookie"];
return cookie ? cookie.match(/secret=([\w-]+)/)[1]: null;
}
result, same first party: 0e9db74c-bb8c-46a6-9962-1875e75662ca_http, 9570ca4c-f28c-4009-ab0a-5c461889d186_http, e673400c-2825-45a7-a205-c2e8e61133d3_http, ab488a5a-aac4-428e-839d-42da19904af7_http, cb5bef9c-c1e0-48ff-9100-bdc60d8ffeb4_http
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
// Request a page that will send an HTTPOnly 'set-cookie' response header with secret value.
await fetch(`${baseURI}cookie?secret=${secret}_http`);
}
read: async () => {
// Test if we now send a requests with a 'cookie' header containing the secret.
let response = await fetch(`${baseURI}headers`);
let cookie = (await response.json())["cookie"];
return cookie ? cookie.match(/secret=([\w-]+)/)[1]: null;
}
result, same first party: 0d2d1067-e166-496b-a470-3eafc9296301_http, f15f5053-bea5-4f0d-a5b1-5c221a3b6e8a_http, 209aff25-119c-4f49-afe1-39a7d9dae4e2_http, ce84dfe4-5628-476f-990c-5a8858d0e162_http, ccf35cdd-8fc4-4a11-87d0-bb76e252cc3e_http
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
// Request a page that will send an HTTPOnly 'set-cookie' response header with secret value.
await fetch(`${baseURI}cookie?secret=${secret}_http`);
}
read: async () => {
// Test if we now send a requests with a 'cookie' header containing the secret.
let response = await fetch(`${baseURI}headers`);
let cookie = (await response.json())["cookie"];
return cookie ? cookie.match(/secret=([\w-]+)/)[1]: null;
}
result, same first party: 1e3f5991-37f7-416b-b616-1df5e5ba1268_http, 26fa378a-a811-4e5f-b0cc-aa60fb3fcf08_http, d95bb20e-44e3-4fc2-925e-337125ec7abd_http, 2c777d15-106c-483a-a10b-d91804c8ea57_http, 82ec9bed-3c49-4a85-b385-b8a775e44680_http
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
// Request a page that will send an HTTPOnly 'set-cookie' response header with secret value.
await fetch(`${baseURI}cookie?secret=${secret}_http`);
}
read: async () => {
// Test if we now send a requests with a 'cookie' header containing the secret.
let response = await fetch(`${baseURI}headers`);
let cookie = (await response.json())["cookie"];
return cookie ? cookie.match(/secret=([\w-]+)/)[1]: null;
}
result, same first party: e6379eae-2e83-454d-bd6d-99d760386c7c_http, 9af50243-fd0a-412f-b292-a7606907e010_http, 15d419e5-5b11-417f-a121-10ebbf0f0f08_http, c9c112c0-e9cf-461d-b00e-5e41592edd5a_http, 60d3b4ea-a615-471c-b54e-df4fa0b29e93_http
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
// Request a page that will send an HTTPOnly 'set-cookie' response header with secret value.
await fetch(`${baseURI}cookie?secret=${secret}_http`);
}
read: async () => {
// Test if we now send a requests with a 'cookie' header containing the secret.
let response = await fetch(`${baseURI}headers`);
let cookie = (await response.json())["cookie"];
return cookie ? cookie.match(/secret=([\w-]+)/)[1]: null;
}
result, same first party: 5c7cd729-86c0-45b5-99ef-b7699af99022_http, c0e2bc0f-7fd7-4e4c-94e6-41f01e02c5fe_http, 49b163aa-dd92-4ba2-9259-f5a735f197a0_http, 1392c610-dd35-4c17-a211-56413ac124d1_http, 606371cc-5885-4114-8a68-4f73bf21a6af_http
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
// Request a page that will send an HTTPOnly 'set-cookie' response header with secret value.
await fetch(`${baseURI}cookie?secret=${secret}_http`);
}
read: async () => {
// Test if we now send a requests with a 'cookie' header containing the secret.
let response = await fetch(`${baseURI}headers`);
let cookie = (await response.json())["cookie"];
return cookie ? cookie.match(/secret=([\w-]+)/)[1]: null;
}
result, same first party: 11994322-5a63-4844-bbe7-fa0566bdc20e_http, a3c48001-4ce6-46a9-b823-9b54d0942594_http, 093abcd5-bb4f-4bab-97bd-3e4c69bfa738_http, 33d0e48f-ca43-44de-bd20-8a86623d8b83_http, 30fe6302-7aff-494d-a6ef-1d354a603191_http
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
// Request a page that will send an HTTPOnly 'set-cookie' response header with secret value.
await fetch(`${baseURI}cookie?secret=${secret}_http`);
}
read: async () => {
// Test if we now send a requests with a 'cookie' header containing the secret.
let response = await fetch(`${baseURI}headers`);
let cookie = (await response.json())["cookie"];
return cookie ? cookie.match(/secret=([\w-]+)/)[1]: null;
}
result, same first party: 23216b20-c384-4f19-afaf-d3bd891ad25a_http, d74b0b8a-ad92-4bab-97e9-6d9b212e2b6b_http, dd1760fa-7f6c-44e9-b776-792d5842c9ee_http, fc0b3a06-3a6e-4a7c-826c-615119dd53c1_http
result, different first party: , , ,
unsupported: false, false, false, false
passed: true, true, true, true
test failed: false, false, false, false
|
write: async (secret) => {
// Request a page that will send an HTTPOnly 'set-cookie' response header with secret value.
await fetch(`${baseURI}cookie?secret=${secret}_http`);
}
read: async () => {
// Test if we now send a requests with a 'cookie' header containing the secret.
let response = await fetch(`${baseURI}headers`);
let cookie = (await response.json())["cookie"];
return cookie ? cookie.match(/secret=([\w-]+)/)[1]: null;
}
result, same first party: 0158d88c-cfbd-450f-ace7-427ef920bec2_http, f31901d2-7cc9-4c67-84a0-7547f7c2e446_http, a13c33a4-d3e8-44ed-8593-d046184cd225_http, 86991a77-cc95-4779-aa00-a2190db86cf0_http, 5d8faff3-0729-429c-8784-957c4d9a4e0b_http
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
// Request a page that will send an HTTPOnly 'set-cookie' response header with secret value.
await fetch(`${baseURI}cookie?secret=${secret}_http`);
}
read: async () => {
// Test if we now send a requests with a 'cookie' header containing the secret.
let response = await fetch(`${baseURI}headers`);
let cookie = (await response.json())["cookie"];
return cookie ? cookie.match(/secret=([\w-]+)/)[1]: null;
}
result, same first party: b068c45e-5547-4f9a-bbb8-5c5c1af0aed0_http, c1a9a20c-5df5-44f3-bf96-cf7f3c08fb65_http, a18888c3-3c3f-473e-9107-7558a652b1a8_http, 7ce81469-874a-4f7b-af5b-8e240b569832_http, 56c791a1-a1a7-44ff-b941-b44f8db4c42c_http
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
cookie (JS)The cookie, first introduced by Netscape in 1994, is a small amount of data stored by your browser on a website's behalf. It has legitimate uses, but it is also the classic cross-site tracking mechanism, and today still the most popular method of tracking users across websites. Browsers can stop cookies from being used for cross-site tracking by either blocking or partitioning them. |
write: (secret) => {
document.cookie = `secret=${secret}_js; SameSite=None; Secure`;
}
read: () => document.cookie ? document.cookie.match(/secret=([\w-]+)/)[1] : null
result, same first party: 0e9db74c-bb8c-46a6-9962-1875e75662ca_js, 9570ca4c-f28c-4009-ab0a-5c461889d186_js, e673400c-2825-45a7-a205-c2e8e61133d3_js, ab488a5a-aac4-428e-839d-42da19904af7_js, cb5bef9c-c1e0-48ff-9100-bdc60d8ffeb4_js
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => {
document.cookie = `secret=${secret}_js; SameSite=None; Secure`;
}
read: () => document.cookie ? document.cookie.match(/secret=([\w-]+)/)[1] : null
result, same first party: 0d2d1067-e166-496b-a470-3eafc9296301_js, f15f5053-bea5-4f0d-a5b1-5c221a3b6e8a_js, 209aff25-119c-4f49-afe1-39a7d9dae4e2_js, ce84dfe4-5628-476f-990c-5a8858d0e162_js, ccf35cdd-8fc4-4a11-87d0-bb76e252cc3e_js
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => {
document.cookie = `secret=${secret}_js; SameSite=None; Secure`;
}
read: () => document.cookie ? document.cookie.match(/secret=([\w-]+)/)[1] : null
result, same first party: 1e3f5991-37f7-416b-b616-1df5e5ba1268_js, 26fa378a-a811-4e5f-b0cc-aa60fb3fcf08_js, d95bb20e-44e3-4fc2-925e-337125ec7abd_js, 2c777d15-106c-483a-a10b-d91804c8ea57_js, 82ec9bed-3c49-4a85-b385-b8a775e44680_js
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => {
document.cookie = `secret=${secret}_js; SameSite=None; Secure`;
}
read: () => document.cookie ? document.cookie.match(/secret=([\w-]+)/)[1] : null
result, same first party: e6379eae-2e83-454d-bd6d-99d760386c7c_js, 9af50243-fd0a-412f-b292-a7606907e010_js, 15d419e5-5b11-417f-a121-10ebbf0f0f08_js, c9c112c0-e9cf-461d-b00e-5e41592edd5a_js, 60d3b4ea-a615-471c-b54e-df4fa0b29e93_js
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => {
document.cookie = `secret=${secret}_js; SameSite=None; Secure`;
}
read: () => document.cookie ? document.cookie.match(/secret=([\w-]+)/)[1] : null
result, same first party: 5c7cd729-86c0-45b5-99ef-b7699af99022_js, c0e2bc0f-7fd7-4e4c-94e6-41f01e02c5fe_js, 49b163aa-dd92-4ba2-9259-f5a735f197a0_js, 1392c610-dd35-4c17-a211-56413ac124d1_js, 606371cc-5885-4114-8a68-4f73bf21a6af_js
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => {
document.cookie = `secret=${secret}_js; SameSite=None; Secure`;
}
read: () => document.cookie ? document.cookie.match(/secret=([\w-]+)/)[1] : null
result, same first party: 11994322-5a63-4844-bbe7-fa0566bdc20e_js, a3c48001-4ce6-46a9-b823-9b54d0942594_js, 093abcd5-bb4f-4bab-97bd-3e4c69bfa738_js, 33d0e48f-ca43-44de-bd20-8a86623d8b83_js, 30fe6302-7aff-494d-a6ef-1d354a603191_js
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => {
document.cookie = `secret=${secret}_js; SameSite=None; Secure`;
}
read: () => document.cookie ? document.cookie.match(/secret=([\w-]+)/)[1] : null
result, same first party: 23216b20-c384-4f19-afaf-d3bd891ad25a_js, d74b0b8a-ad92-4bab-97e9-6d9b212e2b6b_js, dd1760fa-7f6c-44e9-b776-792d5842c9ee_js, fc0b3a06-3a6e-4a7c-826c-615119dd53c1_js
result, different first party: , , ,
unsupported: false, false, false, false
passed: true, true, true, true
test failed: false, false, false, false
|
write: (secret) => {
document.cookie = `secret=${secret}_js; SameSite=None; Secure`;
}
read: () => document.cookie ? document.cookie.match(/secret=([\w-]+)/)[1] : null
result, same first party: 0158d88c-cfbd-450f-ace7-427ef920bec2_js, f31901d2-7cc9-4c67-84a0-7547f7c2e446_js, a13c33a4-d3e8-44ed-8593-d046184cd225_js, 86991a77-cc95-4779-aa00-a2190db86cf0_js, 5d8faff3-0729-429c-8784-957c4d9a4e0b_js
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => {
document.cookie = `secret=${secret}_js; SameSite=None; Secure`;
}
read: () => document.cookie ? document.cookie.match(/secret=([\w-]+)/)[1] : null
result, same first party: b068c45e-5547-4f9a-bbb8-5c5c1af0aed0_js, c1a9a20c-5df5-44f3-bf96-cf7f3c08fb65_js, a18888c3-3c3f-473e-9107-7558a652b1a8_js, 7ce81469-874a-4f7b-af5b-8e240b569832_js, 56c791a1-a1a7-44ff-b941-b44f8db4c42c_js
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
CookieStoreThe Cookie Store API is an alternative asynchronous API for managing cookies, supported by some browsers. | –
write: (data) => {
const msPerHour = 60 * 60 * 1000;
if (!window.cookieStore) {
throw new Error("Unsupported");
}
window.cookieStore.set({
name: "partition_test",
value: data,
expires: Date.now() + msPerHour,
sameSite: "none"
});
}
read: async () => {
if (!window.cookieStore) {
throw new Error("Unsupported");
}
const cookie = await window.cookieStore.get("partition_test");
if (!cookie) {
return null;
}
return cookie.value;
}
result, same first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
result, different first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: (data) => {
const msPerHour = 60 * 60 * 1000;
if (!window.cookieStore) {
throw new Error("Unsupported");
}
window.cookieStore.set({
name: "partition_test",
value: data,
expires: Date.now() + msPerHour,
sameSite: "none"
});
}
read: async () => {
if (!window.cookieStore) {
throw new Error("Unsupported");
}
const cookie = await window.cookieStore.get("partition_test");
if (!cookie) {
return null;
}
return cookie.value;
}
result, same first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
result, different first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: (data) => {
const msPerHour = 60 * 60 * 1000;
if (!window.cookieStore) {
throw new Error("Unsupported");
}
window.cookieStore.set({
name: "partition_test",
value: data,
expires: Date.now() + msPerHour,
sameSite: "none"
});
}
read: async () => {
if (!window.cookieStore) {
throw new Error("Unsupported");
}
const cookie = await window.cookieStore.get("partition_test");
if (!cookie) {
return null;
}
return cookie.value;
}
result, same first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
result, different first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: (data) => {
const msPerHour = 60 * 60 * 1000;
if (!window.cookieStore) {
throw new Error("Unsupported");
}
window.cookieStore.set({
name: "partition_test",
value: data,
expires: Date.now() + msPerHour,
sameSite: "none"
});
}
read: async () => {
if (!window.cookieStore) {
throw new Error("Unsupported");
}
const cookie = await window.cookieStore.get("partition_test");
if (!cookie) {
return null;
}
return cookie.value;
}
result, same first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
result, different first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: (data) => {
const msPerHour = 60 * 60 * 1000;
if (!window.cookieStore) {
throw new Error("Unsupported");
}
window.cookieStore.set({
name: "partition_test",
value: data,
expires: Date.now() + msPerHour,
sameSite: "none"
});
}
read: async () => {
if (!window.cookieStore) {
throw new Error("Unsupported");
}
const cookie = await window.cookieStore.get("partition_test");
if (!cookie) {
return null;
}
return cookie.value;
}
result, same first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
result, different first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: (data) => {
const msPerHour = 60 * 60 * 1000;
if (!window.cookieStore) {
throw new Error("Unsupported");
}
window.cookieStore.set({
name: "partition_test",
value: data,
expires: Date.now() + msPerHour,
sameSite: "none"
});
}
read: async () => {
if (!window.cookieStore) {
throw new Error("Unsupported");
}
const cookie = await window.cookieStore.get("partition_test");
if (!cookie) {
return null;
}
return cookie.value;
}
result, same first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
result, different first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: (data) => {
const msPerHour = 60 * 60 * 1000;
if (!window.cookieStore) {
throw new Error("Unsupported");
}
window.cookieStore.set({
name: "partition_test",
value: data,
expires: Date.now() + msPerHour,
sameSite: "none"
});
}
read: async () => {
if (!window.cookieStore) {
throw new Error("Unsupported");
}
const cookie = await window.cookieStore.get("partition_test");
if (!cookie) {
return null;
}
return cookie.value;
}
result, same first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
result, different first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
unsupported: true, true, true, true
passed: undefined
test failed: false, false, false, false
| –
write: (data) => {
const msPerHour = 60 * 60 * 1000;
if (!window.cookieStore) {
throw new Error("Unsupported");
}
window.cookieStore.set({
name: "partition_test",
value: data,
expires: Date.now() + msPerHour,
sameSite: "none"
});
}
read: async () => {
if (!window.cookieStore) {
throw new Error("Unsupported");
}
const cookie = await window.cookieStore.get("partition_test");
if (!cookie) {
return null;
}
return cookie.value;
}
result, same first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
result, different first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: (data) => {
const msPerHour = 60 * 60 * 1000;
if (!window.cookieStore) {
throw new Error("Unsupported");
}
window.cookieStore.set({
name: "partition_test",
value: data,
expires: Date.now() + msPerHour,
sameSite: "none"
});
}
read: async () => {
if (!window.cookieStore) {
throw new Error("Unsupported");
}
const cookie = await window.cookieStore.get("partition_test");
if (!cookie) {
return null;
}
return cookie.value;
}
result, same first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
result, different first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
|
CSS cacheCSS stylesheets are cached, and if that cache is shared between websites, it can be used to track users across sites. |
write: async (key) => {
const href = testURI("resource", "css", key);
const head = document.getElementsByTagName("head")[0];
head.innerHTML += `<link type="text/css" rel="stylesheet" href="${href}">`;
const testElement = document.querySelector("#css");
let fontFamily;
while (true) {
await sleepMs(100);
fontFamily = getComputedStyle(testElement).fontFamily;
if (fontFamily.startsWith("fake")) {
break;
}
}
console.log(fontFamily);
return key;
}
read: async (key) => {
const href = testURI("resource", "css", key);
const head = document.getElementsByTagName("head")[0];
head.innerHTML += `<link type="text/css" rel="stylesheet" href="${href}">`;
const testElement = document.querySelector("#css");
let fontFamily;
while (true) {
await sleepMs(100);
fontFamily = getComputedStyle(testElement).fontFamily;
if (fontFamily.startsWith("fake")) {
break;
}
}
console.log(fontFamily);
return fontFamily;
}
result, same first party: fake_6040551464326218, fake_8816732222611099, fake_9137893769617558, fake_0848559505033144, fake_8930690313844469
result, different first party: fake_2734057416815878, fake_5155731576991169, fake_9044900897472636, fake_26450809017471033, fake_697746803601083
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
const href = testURI("resource", "css", key);
const head = document.getElementsByTagName("head")[0];
head.innerHTML += `<link type="text/css" rel="stylesheet" href="${href}">`;
const testElement = document.querySelector("#css");
let fontFamily;
while (true) {
await sleepMs(100);
fontFamily = getComputedStyle(testElement).fontFamily;
if (fontFamily.startsWith("fake")) {
break;
}
}
console.log(fontFamily);
return key;
}
read: async (key) => {
const href = testURI("resource", "css", key);
const head = document.getElementsByTagName("head")[0];
head.innerHTML += `<link type="text/css" rel="stylesheet" href="${href}">`;
const testElement = document.querySelector("#css");
let fontFamily;
while (true) {
await sleepMs(100);
fontFamily = getComputedStyle(testElement).fontFamily;
if (fontFamily.startsWith("fake")) {
break;
}
}
console.log(fontFamily);
return fontFamily;
}
result, same first party: fake_14994036192703897, fake_18550459224238725, fake_11683926808876532, fake_8444051574756026, fake_9824073037376306
result, different first party: fake_9011003762573575, fake_6575869190968129, fake_25783217822478677, fake_2684989593022371, fake_3591321117255444
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
const href = testURI("resource", "css", key);
const head = document.getElementsByTagName("head")[0];
head.innerHTML += `<link type="text/css" rel="stylesheet" href="${href}">`;
const testElement = document.querySelector("#css");
let fontFamily;
while (true) {
await sleepMs(100);
fontFamily = getComputedStyle(testElement).fontFamily;
if (fontFamily.startsWith("fake")) {
break;
}
}
console.log(fontFamily);
return key;
}
read: async (key) => {
const href = testURI("resource", "css", key);
const head = document.getElementsByTagName("head")[0];
head.innerHTML += `<link type="text/css" rel="stylesheet" href="${href}">`;
const testElement = document.querySelector("#css");
let fontFamily;
while (true) {
await sleepMs(100);
fontFamily = getComputedStyle(testElement).fontFamily;
if (fontFamily.startsWith("fake")) {
break;
}
}
console.log(fontFamily);
return fontFamily;
}
result, same first party: fake_6871170738823944, fake_0658305705545601, fake_8952330568321702, fake_1862489704322312, fake_30183995982473344
result, different first party: fake_671418088697683, fake_125510391808904, fake_1696746211115785, fake_34777003562393527, fake_24503762562449172
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
const href = testURI("resource", "css", key);
const head = document.getElementsByTagName("head")[0];
head.innerHTML += `<link type="text/css" rel="stylesheet" href="${href}">`;
const testElement = document.querySelector("#css");
let fontFamily;
while (true) {
await sleepMs(100);
fontFamily = getComputedStyle(testElement).fontFamily;
if (fontFamily.startsWith("fake")) {
break;
}
}
console.log(fontFamily);
return key;
}
read: async (key) => {
const href = testURI("resource", "css", key);
const head = document.getElementsByTagName("head")[0];
head.innerHTML += `<link type="text/css" rel="stylesheet" href="${href}">`;
const testElement = document.querySelector("#css");
let fontFamily;
while (true) {
await sleepMs(100);
fontFamily = getComputedStyle(testElement).fontFamily;
if (fontFamily.startsWith("fake")) {
break;
}
}
console.log(fontFamily);
return fontFamily;
}
result, same first party: fake_6449708547347079, fake_47955068976713977, fake_21246169388071112, fake_3772204123384004, fake_6161849338804029
result, different first party: fake_027560745529946917, fake_8009978113418121, fake_7918059033651392, fake_6405536888475694, fake_8627328102202898
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
const href = testURI("resource", "css", key);
const head = document.getElementsByTagName("head")[0];
head.innerHTML += `<link type="text/css" rel="stylesheet" href="${href}">`;
const testElement = document.querySelector("#css");
let fontFamily;
while (true) {
await sleepMs(100);
fontFamily = getComputedStyle(testElement).fontFamily;
if (fontFamily.startsWith("fake")) {
break;
}
}
console.log(fontFamily);
return key;
}
read: async (key) => {
const href = testURI("resource", "css", key);
const head = document.getElementsByTagName("head")[0];
head.innerHTML += `<link type="text/css" rel="stylesheet" href="${href}">`;
const testElement = document.querySelector("#css");
let fontFamily;
while (true) {
await sleepMs(100);
fontFamily = getComputedStyle(testElement).fontFamily;
if (fontFamily.startsWith("fake")) {
break;
}
}
console.log(fontFamily);
return fontFamily;
}
result, same first party: fake_7018724246218986, fake_782817934532037, fake_27064800361686947, fake_865776422408584, fake_8325713660804246
result, different first party: fake_9755484470070352, fake_15738204607037765, fake_5426261019479661, fake_43400123786569744, fake_5857312821429748
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
const href = testURI("resource", "css", key);
const head = document.getElementsByTagName("head")[0];
head.innerHTML += `<link type="text/css" rel="stylesheet" href="${href}">`;
const testElement = document.querySelector("#css");
let fontFamily;
while (true) {
await sleepMs(100);
fontFamily = getComputedStyle(testElement).fontFamily;
if (fontFamily.startsWith("fake")) {
break;
}
}
console.log(fontFamily);
return key;
}
read: async (key) => {
const href = testURI("resource", "css", key);
const head = document.getElementsByTagName("head")[0];
head.innerHTML += `<link type="text/css" rel="stylesheet" href="${href}">`;
const testElement = document.querySelector("#css");
let fontFamily;
while (true) {
await sleepMs(100);
fontFamily = getComputedStyle(testElement).fontFamily;
if (fontFamily.startsWith("fake")) {
break;
}
}
console.log(fontFamily);
return fontFamily;
}
result, same first party: fake_3394954554324978, fake_9733261742219614, fake_607393936270249, fake_45273833840464195, fake_4703656102751206
result, different first party: fake_08930294514687387, fake_02260684573746441, fake_07490636249535454, fake_14897362349884546, fake_46320693295237536
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
const href = testURI("resource", "css", key);
const head = document.getElementsByTagName("head")[0];
head.innerHTML += `<link type="text/css" rel="stylesheet" href="${href}">`;
const testElement = document.querySelector("#css");
let fontFamily;
while (true) {
await sleepMs(100);
fontFamily = getComputedStyle(testElement).fontFamily;
if (fontFamily.startsWith("fake")) {
break;
}
}
console.log(fontFamily);
return key;
}
read: async (key) => {
const href = testURI("resource", "css", key);
const head = document.getElementsByTagName("head")[0];
head.innerHTML += `<link type="text/css" rel="stylesheet" href="${href}">`;
const testElement = document.querySelector("#css");
let fontFamily;
while (true) {
await sleepMs(100);
fontFamily = getComputedStyle(testElement).fontFamily;
if (fontFamily.startsWith("fake")) {
break;
}
}
console.log(fontFamily);
return fontFamily;
}
result, same first party: fake_3125761557620539, fake_7629517921674402, fake_40987512466419074, fake_8404410463344916
result, different first party: fake_8710788634550177, fake_5039258095355432, fake_10864693020171323, fake_12068665978807758
unsupported: false, false, false, false
passed: true, true, true, true
test failed: false, false, false, false
|
write: async (key) => {
const href = testURI("resource", "css", key);
const head = document.getElementsByTagName("head")[0];
head.innerHTML += `<link type="text/css" rel="stylesheet" href="${href}">`;
const testElement = document.querySelector("#css");
let fontFamily;
while (true) {
await sleepMs(100);
fontFamily = getComputedStyle(testElement).fontFamily;
if (fontFamily.startsWith("fake")) {
break;
}
}
console.log(fontFamily);
return key;
}
read: async (key) => {
const href = testURI("resource", "css", key);
const head = document.getElementsByTagName("head")[0];
head.innerHTML += `<link type="text/css" rel="stylesheet" href="${href}">`;
const testElement = document.querySelector("#css");
let fontFamily;
while (true) {
await sleepMs(100);
fontFamily = getComputedStyle(testElement).fontFamily;
if (fontFamily.startsWith("fake")) {
break;
}
}
console.log(fontFamily);
return fontFamily;
}
result, same first party: fake_4355159426402624, fake_3320527042020507, fake_7603954101475787, fake_41011392907704125, fake_33658846361530625
result, different first party: fake_5861157080890396, fake_8161123991794688, fake_025839750295986397, fake_6089800635784617, fake_3370657479459418
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
const href = testURI("resource", "css", key);
const head = document.getElementsByTagName("head")[0];
head.innerHTML += `<link type="text/css" rel="stylesheet" href="${href}">`;
const testElement = document.querySelector("#css");
let fontFamily;
while (true) {
await sleepMs(100);
fontFamily = getComputedStyle(testElement).fontFamily;
if (fontFamily.startsWith("fake")) {
break;
}
}
console.log(fontFamily);
return key;
}
read: async (key) => {
const href = testURI("resource", "css", key);
const head = document.getElementsByTagName("head")[0];
head.innerHTML += `<link type="text/css" rel="stylesheet" href="${href}">`;
const testElement = document.querySelector("#css");
let fontFamily;
while (true) {
await sleepMs(100);
fontFamily = getComputedStyle(testElement).fontFamily;
if (fontFamily.startsWith("fake")) {
break;
}
}
console.log(fontFamily);
return fontFamily;
}
result, same first party: fake_2535239727472114, fake_04926983533925977, fake_5045902125446278, fake_349238994687197, fake_1633993979136812
result, different first party: fake_23309285402135438, fake_2853376624919086, fake_6785114804782029, fake_003335549221969547, fake_6722205479725574
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
favicon cacheA favicon is an icon that represents a website, typically shown in browser tab and bookmarks menu. If the favicon cache is not partitioned, it can be used to track users across websites. |
write: (key) => key
read: async (key) => {
// Wait for the favicon to load (defined in supercookies.html)
await sleepMs(500);
let response = await fetch(
testURI("ctr", "favicon", key), {"cache": "reload"});
let count = (await response.text()).trim();
if (count === "0") {
throw new Error("No requests received");
}
return count;
}
result, same first party: 1, 1, 1, 1, 1
result, different first party: 1, 1, 1, 1, 1
unsupported: false, false, false, false, false
passed: false, false, false, false, false
test failed: false, false, false, false, false
|
write: (key) => key
read: async (key) => {
// Wait for the favicon to load (defined in supercookies.html)
await sleepMs(500);
let response = await fetch(
testURI("ctr", "favicon", key), {"cache": "reload"});
let count = (await response.text()).trim();
if (count === "0") {
throw new Error("No requests received");
}
return count;
}
result, same first party: 1, 1, 1, 1, 1
result, different first party: 1, 1, 1, 1, 1
unsupported: false, false, false, false, false
passed: false, false, false, false, false
test failed: false, false, false, false, false
|
write: (key) => key
read: async (key) => {
// Wait for the favicon to load (defined in supercookies.html)
await sleepMs(500);
let response = await fetch(
testURI("ctr", "favicon", key), {"cache": "reload"});
let count = (await response.text()).trim();
if (count === "0") {
throw new Error("No requests received");
}
return count;
}
result, same first party: 1, Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received
result, different first party: 1, Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received
unsupported: false, true, true, true, true
passed: false
test failed: false, false, false, false, false
|
write: (key) => key
read: async (key) => {
// Wait for the favicon to load (defined in supercookies.html)
await sleepMs(500);
let response = await fetch(
testURI("ctr", "favicon", key), {"cache": "reload"});
let count = (await response.text()).trim();
if (count === "0") {
throw new Error("No requests received");
}
return count;
}
result, same first party: 1, 1, 1, 1, 1
result, different first party: 1, 1, 1, 1, 1
unsupported: false, false, false, false, false
passed: false, false, false, false, false
test failed: false, false, false, false, false
| –
write: (key) => key
read: async (key) => {
// Wait for the favicon to load (defined in supercookies.html)
await sleepMs(500);
let response = await fetch(
testURI("ctr", "favicon", key), {"cache": "reload"});
let count = (await response.text()).trim();
if (count === "0") {
throw new Error("No requests received");
}
return count;
}
result, same first party: Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received
result, different first party: Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: (key) => key
read: async (key) => {
// Wait for the favicon to load (defined in supercookies.html)
await sleepMs(500);
let response = await fetch(
testURI("ctr", "favicon", key), {"cache": "reload"});
let count = (await response.text()).trim();
if (count === "0") {
throw new Error("No requests received");
}
return count;
}
result, same first party: Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received
result, different first party: Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
|
write: (key) => key
read: async (key) => {
// Wait for the favicon to load (defined in supercookies.html)
await sleepMs(500);
let response = await fetch(
testURI("ctr", "favicon", key), {"cache": "reload"});
let count = (await response.text()).trim();
if (count === "0") {
throw new Error("No requests received");
}
return count;
}
result, same first party: 1, 1, 1, 1
result, different first party: 1, 1, 1, 1
unsupported: false, false, false, false
passed: false, false, false, false
test failed: false, false, false, false
|
write: (key) => key
read: async (key) => {
// Wait for the favicon to load (defined in supercookies.html)
await sleepMs(500);
let response = await fetch(
testURI("ctr", "favicon", key), {"cache": "reload"});
let count = (await response.text()).trim();
if (count === "0") {
throw new Error("No requests received");
}
return count;
}
result, same first party: 1, 1, 1, 1, 1
result, different first party: 2, 2, 2, 2, 2
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (key) => key
read: async (key) => {
// Wait for the favicon to load (defined in supercookies.html)
await sleepMs(500);
let response = await fetch(
testURI("ctr", "favicon", key), {"cache": "reload"});
let count = (await response.text()).trim();
if (count === "0") {
throw new Error("No requests received");
}
return count;
}
result, same first party: 1, 1, 1, 1, 1
result, different first party: 1, 1, 1, 1, 1
unsupported: false, false, false, false, false
passed: false, false, false, false, false
test failed: false, false, false, false, false
|
fetch cacheWhen a resource is received via the Fetch API, it is frequently cached. That cache can potentially be abused for cross-site tracking. |
write: async (key) => {
let response = await fetch(testURI("resource", "fetch", key),
{cache: "force-cache"});
return key;
}
read: async (key) => {
let response = await fetch(testURI("resource", "fetch", key),
{cache: "force-cache"});
let countResponse = await fetch(testURI("ctr", "fetch", key),
{cache: "reload"});
return (await countResponse.text()).trim();
}
result, same first party: 1, 1, 1, 1, 1
result, different first party: 2, 2, 2, 2, 2
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
let response = await fetch(testURI("resource", "fetch", key),
{cache: "force-cache"});
return key;
}
read: async (key) => {
let response = await fetch(testURI("resource", "fetch", key),
{cache: "force-cache"});
let countResponse = await fetch(testURI("ctr", "fetch", key),
{cache: "reload"});
return (await countResponse.text()).trim();
}
result, same first party: 1, 1, 1, 1, 1
result, different first party: 2, 2, 2, 2, 2
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
let response = await fetch(testURI("resource", "fetch", key),
{cache: "force-cache"});
return key;
}
read: async (key) => {
let response = await fetch(testURI("resource", "fetch", key),
{cache: "force-cache"});
let countResponse = await fetch(testURI("ctr", "fetch", key),
{cache: "reload"});
return (await countResponse.text()).trim();
}
result, same first party: 1, 1, 1, 1, 1
result, different first party: 2, 2, 2, 2, 2
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
let response = await fetch(testURI("resource", "fetch", key),
{cache: "force-cache"});
return key;
}
read: async (key) => {
let response = await fetch(testURI("resource", "fetch", key),
{cache: "force-cache"});
let countResponse = await fetch(testURI("ctr", "fetch", key),
{cache: "reload"});
return (await countResponse.text()).trim();
}
result, same first party: 1, 1, 1, 1, 1
result, different first party: 2, 2, 2, 2, 2
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
let response = await fetch(testURI("resource", "fetch", key),
{cache: "force-cache"});
return key;
}
read: async (key) => {
let response = await fetch(testURI("resource", "fetch", key),
{cache: "force-cache"});
let countResponse = await fetch(testURI("ctr", "fetch", key),
{cache: "reload"});
return (await countResponse.text()).trim();
}
result, same first party: 1, 1, 1, 1, 1
result, different first party: 2, 2, 2, 2, 2
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
let response = await fetch(testURI("resource", "fetch", key),
{cache: "force-cache"});
return key;
}
read: async (key) => {
let response = await fetch(testURI("resource", "fetch", key),
{cache: "force-cache"});
let countResponse = await fetch(testURI("ctr", "fetch", key),
{cache: "reload"});
return (await countResponse.text()).trim();
}
result, same first party: 2, 2, 2, 2, 2
result, different first party: 3, 3, 3, 3, 3
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
let response = await fetch(testURI("resource", "fetch", key),
{cache: "force-cache"});
return key;
}
read: async (key) => {
let response = await fetch(testURI("resource", "fetch", key),
{cache: "force-cache"});
let countResponse = await fetch(testURI("ctr", "fetch", key),
{cache: "reload"});
return (await countResponse.text()).trim();
}
result, same first party: 1, 1, 1, 1
result, different first party: 2, 2, 2, 2
unsupported: false, false, false, false
passed: true, true, true, true
test failed: false, false, false, false
|
write: async (key) => {
let response = await fetch(testURI("resource", "fetch", key),
{cache: "force-cache"});
return key;
}
read: async (key) => {
let response = await fetch(testURI("resource", "fetch", key),
{cache: "force-cache"});
let countResponse = await fetch(testURI("ctr", "fetch", key),
{cache: "reload"});
return (await countResponse.text()).trim();
}
result, same first party: 1, 1, 1, 1, 1
result, different first party: 2, 2, 2, 2, 2
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
let response = await fetch(testURI("resource", "fetch", key),
{cache: "force-cache"});
return key;
}
read: async (key) => {
let response = await fetch(testURI("resource", "fetch", key),
{cache: "force-cache"});
let countResponse = await fetch(testURI("ctr", "fetch", key),
{cache: "reload"});
return (await countResponse.text()).trim();
}
result, same first party: 1, 1, 1, 1, 1
result, different first party: 2, 2, 2, 2, 2
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
font cacheWeb fonts are sometimes stored in their own cache, which is vulnerable to being abused for cross-site tracking. |
write: async (key) => {
let style = document.createElement("style");
style.type='text/css';
let fontURI = testURI("resource", "font", key);
style.innerHTML = `@font-face {font-family: "myFont"; src: url("${fontURI}"); } body { font-family: "myFont" }`;
document.getElementsByTagName("head")[0].appendChild(style);
return key;
}
read: async (key) => {
let style = document.createElement("style");
style.type='text/css';
let fontURI = testURI("resource", "font", key);
style.innerHTML = `@font-face {font-family: "myFont"; src: url("${fontURI}"); } body { font-family: "myFont" }`;
document.getElementsByTagName("head")[0].appendChild(style);
await sleepMs(500);
let response = await fetch(
testURI("ctr", "font", key), {"cache": "reload"});
return (await response.text()).trim();
}
result, same first party: 2, 2, 2, 2, 2
result, different first party: 3, 3, 3, 3, 3
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
let style = document.createElement("style");
style.type='text/css';
let fontURI = testURI("resource", "font", key);
style.innerHTML = `@font-face {font-family: "myFont"; src: url("${fontURI}"); } body { font-family: "myFont" }`;
document.getElementsByTagName("head")[0].appendChild(style);
return key;
}
read: async (key) => {
let style = document.createElement("style");
style.type='text/css';
let fontURI = testURI("resource", "font", key);
style.innerHTML = `@font-face {font-family: "myFont"; src: url("${fontURI}"); } body { font-family: "myFont" }`;
document.getElementsByTagName("head")[0].appendChild(style);
await sleepMs(500);
let response = await fetch(
testURI("ctr", "font", key), {"cache": "reload"});
return (await response.text()).trim();
}
result, same first party: 2, 2, 2, 2, 2
result, different first party: 3, 3, 3, 3, 3
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
let style = document.createElement("style");
style.type='text/css';
let fontURI = testURI("resource", "font", key);
style.innerHTML = `@font-face {font-family: "myFont"; src: url("${fontURI}"); } body { font-family: "myFont" }`;
document.getElementsByTagName("head")[0].appendChild(style);
return key;
}
read: async (key) => {
let style = document.createElement("style");
style.type='text/css';
let fontURI = testURI("resource", "font", key);
style.innerHTML = `@font-face {font-family: "myFont"; src: url("${fontURI}"); } body { font-family: "myFont" }`;
document.getElementsByTagName("head")[0].appendChild(style);
await sleepMs(500);
let response = await fetch(
testURI("ctr", "font", key), {"cache": "reload"});
return (await response.text()).trim();
}
result, same first party: 2, 2, 2, 2, 2
result, different first party: 3, 3, 3, 3, 3
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
let style = document.createElement("style");
style.type='text/css';
let fontURI = testURI("resource", "font", key);
style.innerHTML = `@font-face {font-family: "myFont"; src: url("${fontURI}"); } body { font-family: "myFont" }`;
document.getElementsByTagName("head")[0].appendChild(style);
return key;
}
read: async (key) => {
let style = document.createElement("style");
style.type='text/css';
let fontURI = testURI("resource", "font", key);
style.innerHTML = `@font-face {font-family: "myFont"; src: url("${fontURI}"); } body { font-family: "myFont" }`;
document.getElementsByTagName("head")[0].appendChild(style);
await sleepMs(500);
let response = await fetch(
testURI("ctr", "font", key), {"cache": "reload"});
return (await response.text()).trim();
}
result, same first party: 2, 2, 2, 2, 2
result, different first party: 3, 3, 3, 3, 3
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
let style = document.createElement("style");
style.type='text/css';
let fontURI = testURI("resource", "font", key);
style.innerHTML = `@font-face {font-family: "myFont"; src: url("${fontURI}"); } body { font-family: "myFont" }`;
document.getElementsByTagName("head")[0].appendChild(style);
return key;
}
read: async (key) => {
let style = document.createElement("style");
style.type='text/css';
let fontURI = testURI("resource", "font", key);
style.innerHTML = `@font-face {font-family: "myFont"; src: url("${fontURI}"); } body { font-family: "myFont" }`;
document.getElementsByTagName("head")[0].appendChild(style);
await sleepMs(500);
let response = await fetch(
testURI("ctr", "font", key), {"cache": "reload"});
return (await response.text()).trim();
}
result, same first party: 2, 2, 2, 2, 2
result, different first party: 3, 3, 3, 3, 3
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
let style = document.createElement("style");
style.type='text/css';
let fontURI = testURI("resource", "font", key);
style.innerHTML = `@font-face {font-family: "myFont"; src: url("${fontURI}"); } body { font-family: "myFont" }`;
document.getElementsByTagName("head")[0].appendChild(style);
return key;
}
read: async (key) => {
let style = document.createElement("style");
style.type='text/css';
let fontURI = testURI("resource", "font", key);
style.innerHTML = `@font-face {font-family: "myFont"; src: url("${fontURI}"); } body { font-family: "myFont" }`;
document.getElementsByTagName("head")[0].appendChild(style);
await sleepMs(500);
let response = await fetch(
testURI("ctr", "font", key), {"cache": "reload"});
return (await response.text()).trim();
}
result, same first party: 2, 2, 2, 2, 2
result, different first party: 3, 3, 3, 3, 3
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
let style = document.createElement("style");
style.type='text/css';
let fontURI = testURI("resource", "font", key);
style.innerHTML = `@font-face {font-family: "myFont"; src: url("${fontURI}"); } body { font-family: "myFont" }`;
document.getElementsByTagName("head")[0].appendChild(style);
return key;
}
read: async (key) => {
let style = document.createElement("style");
style.type='text/css';
let fontURI = testURI("resource", "font", key);
style.innerHTML = `@font-face {font-family: "myFont"; src: url("${fontURI}"); } body { font-family: "myFont" }`;
document.getElementsByTagName("head")[0].appendChild(style);
await sleepMs(500);
let response = await fetch(
testURI("ctr", "font", key), {"cache": "reload"});
return (await response.text()).trim();
}
result, same first party: 2, 2, 2, 2
result, different first party: 3, 3, 3, 3
unsupported: false, false, false, false
passed: true, true, true, true
test failed: false, false, false, false
|
write: async (key) => {
let style = document.createElement("style");
style.type='text/css';
let fontURI = testURI("resource", "font", key);
style.innerHTML = `@font-face {font-family: "myFont"; src: url("${fontURI}"); } body { font-family: "myFont" }`;
document.getElementsByTagName("head")[0].appendChild(style);
return key;
}
read: async (key) => {
let style = document.createElement("style");
style.type='text/css';
let fontURI = testURI("resource", "font", key);
style.innerHTML = `@font-face {font-family: "myFont"; src: url("${fontURI}"); } body { font-family: "myFont" }`;
document.getElementsByTagName("head")[0].appendChild(style);
await sleepMs(500);
let response = await fetch(
testURI("ctr", "font", key), {"cache": "reload"});
return (await response.text()).trim();
}
result, same first party: 2, 2, 2, 2, 2
result, different first party: 3, 3, 3, 3, 3
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
let style = document.createElement("style");
style.type='text/css';
let fontURI = testURI("resource", "font", key);
style.innerHTML = `@font-face {font-family: "myFont"; src: url("${fontURI}"); } body { font-family: "myFont" }`;
document.getElementsByTagName("head")[0].appendChild(style);
return key;
}
read: async (key) => {
let style = document.createElement("style");
style.type='text/css';
let fontURI = testURI("resource", "font", key);
style.innerHTML = `@font-face {font-family: "myFont"; src: url("${fontURI}"); } body { font-family: "myFont" }`;
document.getElementsByTagName("head")[0].appendChild(style);
await sleepMs(500);
let response = await fetch(
testURI("ctr", "font", key), {"cache": "reload"});
return (await response.text()).trim();
}
result, same first party: 2, 2, 2, 2, 2
result, different first party: 3, 3, 3, 3, 3
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
getDirectorynavigator.storage.getDirectory exposes a location for storing files to web content. In some cases, these files may be shared across tabs. | –
write: async (secret) => {
try {
const root = await navigator.storage.getDirectory();
const fileHandle = await root.getFileHandle("secret.txt", { create: true });
const stream = await fileHandle.createWritable();
await stream.write(secret);
await stream.close();
} catch (e) {
throw new Error("Unsupported");
}
}
read: async () => {
try {
const root = await navigator.storage.getDirectory();
const fileHandle = await root.getFileHandle("secret.txt");
const file = await fileHandle.getFile();
return file.text();
} catch (e) {
throw new Error("Unsupported");
}
}
result, same first party: , , , ,
result, different first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: async (secret) => {
try {
const root = await navigator.storage.getDirectory();
const fileHandle = await root.getFileHandle("secret.txt", { create: true });
const stream = await fileHandle.createWritable();
await stream.write(secret);
await stream.close();
} catch (e) {
throw new Error("Unsupported");
}
}
read: async () => {
try {
const root = await navigator.storage.getDirectory();
const fileHandle = await root.getFileHandle("secret.txt");
const file = await fileHandle.getFile();
return file.text();
} catch (e) {
throw new Error("Unsupported");
}
}
result, same first party: , , , ,
result, different first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: async (secret) => {
try {
const root = await navigator.storage.getDirectory();
const fileHandle = await root.getFileHandle("secret.txt", { create: true });
const stream = await fileHandle.createWritable();
await stream.write(secret);
await stream.close();
} catch (e) {
throw new Error("Unsupported");
}
}
read: async () => {
try {
const root = await navigator.storage.getDirectory();
const fileHandle = await root.getFileHandle("secret.txt");
const file = await fileHandle.getFile();
return file.text();
} catch (e) {
throw new Error("Unsupported");
}
}
result, same first party: , , , ,
result, different first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: async (secret) => {
try {
const root = await navigator.storage.getDirectory();
const fileHandle = await root.getFileHandle("secret.txt", { create: true });
const stream = await fileHandle.createWritable();
await stream.write(secret);
await stream.close();
} catch (e) {
throw new Error("Unsupported");
}
}
read: async () => {
try {
const root = await navigator.storage.getDirectory();
const fileHandle = await root.getFileHandle("secret.txt");
const file = await fileHandle.getFile();
return file.text();
} catch (e) {
throw new Error("Unsupported");
}
}
result, same first party: , , , ,
result, different first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: async (secret) => {
try {
const root = await navigator.storage.getDirectory();
const fileHandle = await root.getFileHandle("secret.txt", { create: true });
const stream = await fileHandle.createWritable();
await stream.write(secret);
await stream.close();
} catch (e) {
throw new Error("Unsupported");
}
}
read: async () => {
try {
const root = await navigator.storage.getDirectory();
const fileHandle = await root.getFileHandle("secret.txt");
const file = await fileHandle.getFile();
return file.text();
} catch (e) {
throw new Error("Unsupported");
}
}
result, same first party: , , , ,
result, different first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: async (secret) => {
try {
const root = await navigator.storage.getDirectory();
const fileHandle = await root.getFileHandle("secret.txt", { create: true });
const stream = await fileHandle.createWritable();
await stream.write(secret);
await stream.close();
} catch (e) {
throw new Error("Unsupported");
}
}
read: async () => {
try {
const root = await navigator.storage.getDirectory();
const fileHandle = await root.getFileHandle("secret.txt");
const file = await fileHandle.getFile();
return file.text();
} catch (e) {
throw new Error("Unsupported");
}
}
result, same first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
result, different first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: async (secret) => {
try {
const root = await navigator.storage.getDirectory();
const fileHandle = await root.getFileHandle("secret.txt", { create: true });
const stream = await fileHandle.createWritable();
await stream.write(secret);
await stream.close();
} catch (e) {
throw new Error("Unsupported");
}
}
read: async () => {
try {
const root = await navigator.storage.getDirectory();
const fileHandle = await root.getFileHandle("secret.txt");
const file = await fileHandle.getFile();
return file.text();
} catch (e) {
throw new Error("Unsupported");
}
}
result, same first party: , , ,
result, different first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
unsupported: true, true, true, true
passed: undefined
test failed: false, false, false, false
| –
write: async (secret) => {
try {
const root = await navigator.storage.getDirectory();
const fileHandle = await root.getFileHandle("secret.txt", { create: true });
const stream = await fileHandle.createWritable();
await stream.write(secret);
await stream.close();
} catch (e) {
throw new Error("Unsupported");
}
}
read: async () => {
try {
const root = await navigator.storage.getDirectory();
const fileHandle = await root.getFileHandle("secret.txt");
const file = await fileHandle.getFile();
return file.text();
} catch (e) {
throw new Error("Unsupported");
}
}
result, same first party: , , , ,
result, different first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: async (secret) => {
try {
const root = await navigator.storage.getDirectory();
const fileHandle = await root.getFileHandle("secret.txt", { create: true });
const stream = await fileHandle.createWritable();
await stream.write(secret);
await stream.close();
} catch (e) {
throw new Error("Unsupported");
}
}
read: async () => {
try {
const root = await navigator.storage.getDirectory();
const fileHandle = await root.getFileHandle("secret.txt");
const file = await fileHandle.getFile();
return file.text();
} catch (e) {
throw new Error("Unsupported");
}
}
result, same first party: , , , ,
result, different first party: Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported, Error: Unsupported
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
|
H1 connectionHTTP/1.x are the classic web connection protocols. If these connections are re-used across websites, they can be used to track users. |
write: async (secret) => {
await fetch(`https://h1.privacytests2.org:8901/?mode=write&secret=${secret}`, {cache: "no-store"});
}
read: async () => {
let response = await fetch(`https://h1.privacytests2.org:8901/?mode=read`, {cache: "no-store"});
return await response.text();
}
result, same first party: 0e9db74c-bb8c-46a6-9962-1875e75662ca, 9570ca4c-f28c-4009-ab0a-5c461889d186, e673400c-2825-45a7-a205-c2e8e61133d3, ab488a5a-aac4-428e-839d-42da19904af7, cb5bef9c-c1e0-48ff-9100-bdc60d8ffeb4
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
await fetch(`https://h1.privacytests2.org:8901/?mode=write&secret=${secret}`, {cache: "no-store"});
}
read: async () => {
let response = await fetch(`https://h1.privacytests2.org:8901/?mode=read`, {cache: "no-store"});
return await response.text();
}
result, same first party: 0d2d1067-e166-496b-a470-3eafc9296301, f15f5053-bea5-4f0d-a5b1-5c221a3b6e8a, 209aff25-119c-4f49-afe1-39a7d9dae4e2, ce84dfe4-5628-476f-990c-5a8858d0e162, ccf35cdd-8fc4-4a11-87d0-bb76e252cc3e
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
await fetch(`https://h1.privacytests2.org:8901/?mode=write&secret=${secret}`, {cache: "no-store"});
}
read: async () => {
let response = await fetch(`https://h1.privacytests2.org:8901/?mode=read`, {cache: "no-store"});
return await response.text();
}
result, same first party: 1e3f5991-37f7-416b-b616-1df5e5ba1268, 26fa378a-a811-4e5f-b0cc-aa60fb3fcf08, d95bb20e-44e3-4fc2-925e-337125ec7abd, 2c777d15-106c-483a-a10b-d91804c8ea57, 82ec9bed-3c49-4a85-b385-b8a775e44680
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
await fetch(`https://h1.privacytests2.org:8901/?mode=write&secret=${secret}`, {cache: "no-store"});
}
read: async () => {
let response = await fetch(`https://h1.privacytests2.org:8901/?mode=read`, {cache: "no-store"});
return await response.text();
}
result, same first party: e6379eae-2e83-454d-bd6d-99d760386c7c, 9af50243-fd0a-412f-b292-a7606907e010, 15d419e5-5b11-417f-a121-10ebbf0f0f08, c9c112c0-e9cf-461d-b00e-5e41592edd5a, 60d3b4ea-a615-471c-b54e-df4fa0b29e93
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
await fetch(`https://h1.privacytests2.org:8901/?mode=write&secret=${secret}`, {cache: "no-store"});
}
read: async () => {
let response = await fetch(`https://h1.privacytests2.org:8901/?mode=read`, {cache: "no-store"});
return await response.text();
}
result, same first party: 5c7cd729-86c0-45b5-99ef-b7699af99022, c0e2bc0f-7fd7-4e4c-94e6-41f01e02c5fe, 49b163aa-dd92-4ba2-9259-f5a735f197a0, 1392c610-dd35-4c17-a211-56413ac124d1, 606371cc-5885-4114-8a68-4f73bf21a6af
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
await fetch(`https://h1.privacytests2.org:8901/?mode=write&secret=${secret}`, {cache: "no-store"});
}
read: async () => {
let response = await fetch(`https://h1.privacytests2.org:8901/?mode=read`, {cache: "no-store"});
return await response.text();
}
result, same first party: 11994322-5a63-4844-bbe7-fa0566bdc20e, a3c48001-4ce6-46a9-b823-9b54d0942594, 093abcd5-bb4f-4bab-97bd-3e4c69bfa738, 33d0e48f-ca43-44de-bd20-8a86623d8b83, 30fe6302-7aff-494d-a6ef-1d354a603191
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
await fetch(`https://h1.privacytests2.org:8901/?mode=write&secret=${secret}`, {cache: "no-store"});
}
read: async () => {
let response = await fetch(`https://h1.privacytests2.org:8901/?mode=read`, {cache: "no-store"});
return await response.text();
}
result, same first party: 23216b20-c384-4f19-afaf-d3bd891ad25a, d74b0b8a-ad92-4bab-97e9-6d9b212e2b6b, dd1760fa-7f6c-44e9-b776-792d5842c9ee, fc0b3a06-3a6e-4a7c-826c-615119dd53c1
result, different first party: , , ,
unsupported: false, false, false, false
passed: true, true, true, true
test failed: false, false, false, false
|
write: async (secret) => {
await fetch(`https://h1.privacytests2.org:8901/?mode=write&secret=${secret}`, {cache: "no-store"});
}
read: async () => {
let response = await fetch(`https://h1.privacytests2.org:8901/?mode=read`, {cache: "no-store"});
return await response.text();
}
result, same first party: 0158d88c-cfbd-450f-ace7-427ef920bec2, f31901d2-7cc9-4c67-84a0-7547f7c2e446, a13c33a4-d3e8-44ed-8593-d046184cd225, 86991a77-cc95-4779-aa00-a2190db86cf0, 5d8faff3-0729-429c-8784-957c4d9a4e0b
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
await fetch(`https://h1.privacytests2.org:8901/?mode=write&secret=${secret}`, {cache: "no-store"});
}
read: async () => {
let response = await fetch(`https://h1.privacytests2.org:8901/?mode=read`, {cache: "no-store"});
return await response.text();
}
result, same first party: b068c45e-5547-4f9a-bbb8-5c5c1af0aed0, c1a9a20c-5df5-44f3-bf96-cf7f3c08fb65, a18888c3-3c3f-473e-9107-7558a652b1a8, 7ce81469-874a-4f7b-af5b-8e240b569832, 56c791a1-a1a7-44ff-b941-b44f8db4c42c
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
H2 connectionHTTP/2 is a web connection protocol introduced in 2015. Some browsers re-use HTTP/2 connections across websites and can thus be used to track users. |
write: async (secret) => {
await fetch(`https://h2.privacytests2.org:8902/?mode=write&secret=${secret}`, {cache: "no-store"});
}
read: async () => {
let response = await fetch(`https://h2.privacytests2.org:8902/?mode=read`, {cache: "no-store"});
return await response.text();
}
result, same first party: 0e9db74c-bb8c-46a6-9962-1875e75662ca, 9570ca4c-f28c-4009-ab0a-5c461889d186, e673400c-2825-45a7-a205-c2e8e61133d3, ab488a5a-aac4-428e-839d-42da19904af7, cb5bef9c-c1e0-48ff-9100-bdc60d8ffeb4
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
await fetch(`https://h2.privacytests2.org:8902/?mode=write&secret=${secret}`, {cache: "no-store"});
}
read: async () => {
let response = await fetch(`https://h2.privacytests2.org:8902/?mode=read`, {cache: "no-store"});
return await response.text();
}
result, same first party: 0d2d1067-e166-496b-a470-3eafc9296301, f15f5053-bea5-4f0d-a5b1-5c221a3b6e8a, 209aff25-119c-4f49-afe1-39a7d9dae4e2, ce84dfe4-5628-476f-990c-5a8858d0e162, ccf35cdd-8fc4-4a11-87d0-bb76e252cc3e
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
await fetch(`https://h2.privacytests2.org:8902/?mode=write&secret=${secret}`, {cache: "no-store"});
}
read: async () => {
let response = await fetch(`https://h2.privacytests2.org:8902/?mode=read`, {cache: "no-store"});
return await response.text();
}
result, same first party: 1e3f5991-37f7-416b-b616-1df5e5ba1268, 26fa378a-a811-4e5f-b0cc-aa60fb3fcf08, d95bb20e-44e3-4fc2-925e-337125ec7abd, 2c777d15-106c-483a-a10b-d91804c8ea57, 82ec9bed-3c49-4a85-b385-b8a775e44680
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
await fetch(`https://h2.privacytests2.org:8902/?mode=write&secret=${secret}`, {cache: "no-store"});
}
read: async () => {
let response = await fetch(`https://h2.privacytests2.org:8902/?mode=read`, {cache: "no-store"});
return await response.text();
}
result, same first party: e6379eae-2e83-454d-bd6d-99d760386c7c, 9af50243-fd0a-412f-b292-a7606907e010, 15d419e5-5b11-417f-a121-10ebbf0f0f08, c9c112c0-e9cf-461d-b00e-5e41592edd5a, 60d3b4ea-a615-471c-b54e-df4fa0b29e93
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
await fetch(`https://h2.privacytests2.org:8902/?mode=write&secret=${secret}`, {cache: "no-store"});
}
read: async () => {
let response = await fetch(`https://h2.privacytests2.org:8902/?mode=read`, {cache: "no-store"});
return await response.text();
}
result, same first party: 5c7cd729-86c0-45b5-99ef-b7699af99022, c0e2bc0f-7fd7-4e4c-94e6-41f01e02c5fe, 49b163aa-dd92-4ba2-9259-f5a735f197a0, 1392c610-dd35-4c17-a211-56413ac124d1, 606371cc-5885-4114-8a68-4f73bf21a6af
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
await fetch(`https://h2.privacytests2.org:8902/?mode=write&secret=${secret}`, {cache: "no-store"});
}
read: async () => {
let response = await fetch(`https://h2.privacytests2.org:8902/?mode=read`, {cache: "no-store"});
return await response.text();
}
result, same first party: 11994322-5a63-4844-bbe7-fa0566bdc20e, a3c48001-4ce6-46a9-b823-9b54d0942594, 093abcd5-bb4f-4bab-97bd-3e4c69bfa738, 33d0e48f-ca43-44de-bd20-8a86623d8b83, 30fe6302-7aff-494d-a6ef-1d354a603191
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
await fetch(`https://h2.privacytests2.org:8902/?mode=write&secret=${secret}`, {cache: "no-store"});
}
read: async () => {
let response = await fetch(`https://h2.privacytests2.org:8902/?mode=read`, {cache: "no-store"});
return await response.text();
}
result, same first party: 23216b20-c384-4f19-afaf-d3bd891ad25a, d74b0b8a-ad92-4bab-97e9-6d9b212e2b6b, dd1760fa-7f6c-44e9-b776-792d5842c9ee, fc0b3a06-3a6e-4a7c-826c-615119dd53c1
result, different first party: , , ,
unsupported: false, false, false, false
passed: true, true, true, true
test failed: false, false, false, false
|
write: async (secret) => {
await fetch(`https://h2.privacytests2.org:8902/?mode=write&secret=${secret}`, {cache: "no-store"});
}
read: async () => {
let response = await fetch(`https://h2.privacytests2.org:8902/?mode=read`, {cache: "no-store"});
return await response.text();
}
result, same first party: 0158d88c-cfbd-450f-ace7-427ef920bec2, f31901d2-7cc9-4c67-84a0-7547f7c2e446, a13c33a4-d3e8-44ed-8593-d046184cd225, 86991a77-cc95-4779-aa00-a2190db86cf0, 5d8faff3-0729-429c-8784-957c4d9a4e0b
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
await fetch(`https://h2.privacytests2.org:8902/?mode=write&secret=${secret}`, {cache: "no-store"});
}
read: async () => {
let response = await fetch(`https://h2.privacytests2.org:8902/?mode=read`, {cache: "no-store"});
return await response.text();
}
result, same first party: b068c45e-5547-4f9a-bbb8-5c5c1af0aed0, c1a9a20c-5df5-44f3-bf96-cf7f3c08fb65, a18888c3-3c3f-473e-9107-7558a652b1a8, 7ce81469-874a-4f7b-af5b-8e240b569832, 56c791a1-a1a7-44ff-b941-b44f8db4c42c
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
H3 connectionHTTP/3 is a new standard HTTP connection protocol, still in draft but widely supported by browsers. If it is not partitioned, it can be used to track users across websites. | –
write: async (secret) => {
// Ensure that we can switch over to h3 via alt-svc:
for (let i = 0; i<3; ++i) {
await fetch(`https://h3.privacytests2.org:4434/connection_id`, {cache: "no-store"});
await sleepMs(500);
}
// Are we now connecting over h3?
let response = await fetch(`https://h3.privacytests2.org:4434/connection_id`, {cache: "no-store"});
let text = await response.text();
// Empty response text indicates we are not connecting over h3:
if (text.trim() === "") {
throw new Error("Unsupported");
}
}
read: async () => {
let response = await fetch(`https://h3.privacytests2.org:4434/connection_id`);
return await response.text();
}
result, same first party: , , , ,
result, different first party: , , , ,
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: async (secret) => {
// Ensure that we can switch over to h3 via alt-svc:
for (let i = 0; i<3; ++i) {
await fetch(`https://h3.privacytests2.org:4434/connection_id`, {cache: "no-store"});
await sleepMs(500);
}
// Are we now connecting over h3?
let response = await fetch(`https://h3.privacytests2.org:4434/connection_id`, {cache: "no-store"});
let text = await response.text();
// Empty response text indicates we are not connecting over h3:
if (text.trim() === "") {
throw new Error("Unsupported");
}
}
read: async () => {
let response = await fetch(`https://h3.privacytests2.org:4434/connection_id`);
return await response.text();
}
result, same first party: , , , ,
result, different first party: , , , ,
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: async (secret) => {
// Ensure that we can switch over to h3 via alt-svc:
for (let i = 0; i<3; ++i) {
await fetch(`https://h3.privacytests2.org:4434/connection_id`, {cache: "no-store"});
await sleepMs(500);
}
// Are we now connecting over h3?
let response = await fetch(`https://h3.privacytests2.org:4434/connection_id`, {cache: "no-store"});
let text = await response.text();
// Empty response text indicates we are not connecting over h3:
if (text.trim() === "") {
throw new Error("Unsupported");
}
}
read: async () => {
let response = await fetch(`https://h3.privacytests2.org:4434/connection_id`);
return await response.text();
}
result, same first party: , , , ,
result, different first party: , , , ,
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: async (secret) => {
// Ensure that we can switch over to h3 via alt-svc:
for (let i = 0; i<3; ++i) {
await fetch(`https://h3.privacytests2.org:4434/connection_id`, {cache: "no-store"});
await sleepMs(500);
}
// Are we now connecting over h3?
let response = await fetch(`https://h3.privacytests2.org:4434/connection_id`, {cache: "no-store"});
let text = await response.text();
// Empty response text indicates we are not connecting over h3:
if (text.trim() === "") {
throw new Error("Unsupported");
}
}
read: async () => {
let response = await fetch(`https://h3.privacytests2.org:4434/connection_id`);
return await response.text();
}
result, same first party: , , , ,
result, different first party: , , , ,
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: async (secret) => {
// Ensure that we can switch over to h3 via alt-svc:
for (let i = 0; i<3; ++i) {
await fetch(`https://h3.privacytests2.org:4434/connection_id`, {cache: "no-store"});
await sleepMs(500);
}
// Are we now connecting over h3?
let response = await fetch(`https://h3.privacytests2.org:4434/connection_id`, {cache: "no-store"});
let text = await response.text();
// Empty response text indicates we are not connecting over h3:
if (text.trim() === "") {
throw new Error("Unsupported");
}
}
read: async () => {
let response = await fetch(`https://h3.privacytests2.org:4434/connection_id`);
return await response.text();
}
result, same first party: , , , ,
result, different first party: , , , ,
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: async (secret) => {
// Ensure that we can switch over to h3 via alt-svc:
for (let i = 0; i<3; ++i) {
await fetch(`https://h3.privacytests2.org:4434/connection_id`, {cache: "no-store"});
await sleepMs(500);
}
// Are we now connecting over h3?
let response = await fetch(`https://h3.privacytests2.org:4434/connection_id`, {cache: "no-store"});
let text = await response.text();
// Empty response text indicates we are not connecting over h3:
if (text.trim() === "") {
throw new Error("Unsupported");
}
}
read: async () => {
let response = await fetch(`https://h3.privacytests2.org:4434/connection_id`);
return await response.text();
}
result, same first party: , , , ,
result, different first party: , , , ,
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: async (secret) => {
// Ensure that we can switch over to h3 via alt-svc:
for (let i = 0; i<3; ++i) {
await fetch(`https://h3.privacytests2.org:4434/connection_id`, {cache: "no-store"});
await sleepMs(500);
}
// Are we now connecting over h3?
let response = await fetch(`https://h3.privacytests2.org:4434/connection_id`, {cache: "no-store"});
let text = await response.text();
// Empty response text indicates we are not connecting over h3:
if (text.trim() === "") {
throw new Error("Unsupported");
}
}
read: async () => {
let response = await fetch(`https://h3.privacytests2.org:4434/connection_id`);
return await response.text();
}
result, same first party: , , ,
result, different first party: , , ,
unsupported: true, true, true, true
passed: undefined
test failed: false, false, false, false
| –
write: async (secret) => {
// Ensure that we can switch over to h3 via alt-svc:
for (let i = 0; i<3; ++i) {
await fetch(`https://h3.privacytests2.org:4434/connection_id`, {cache: "no-store"});
await sleepMs(500);
}
// Are we now connecting over h3?
let response = await fetch(`https://h3.privacytests2.org:4434/connection_id`, {cache: "no-store"});
let text = await response.text();
// Empty response text indicates we are not connecting over h3:
if (text.trim() === "") {
throw new Error("Unsupported");
}
}
read: async () => {
let response = await fetch(`https://h3.privacytests2.org:4434/connection_id`);
return await response.text();
}
result, same first party: , , , ,
result, different first party: , , , ,
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: async (secret) => {
// Ensure that we can switch over to h3 via alt-svc:
for (let i = 0; i<3; ++i) {
await fetch(`https://h3.privacytests2.org:4434/connection_id`, {cache: "no-store"});
await sleepMs(500);
}
// Are we now connecting over h3?
let response = await fetch(`https://h3.privacytests2.org:4434/connection_id`, {cache: "no-store"});
let text = await response.text();
// Empty response text indicates we are not connecting over h3:
if (text.trim() === "") {
throw new Error("Unsupported");
}
}
read: async () => {
let response = await fetch(`https://h3.privacytests2.org:4434/connection_id`);
return await response.text();
}
result, same first party: , , , ,
result, different first party: , , , ,
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
|
HSTS cacheThe HTTP Strict-Transport-Security response header allows a website to signal that it should only be accessed via HTTPS. The browser remembers this directive in a database, but if this database is not partitioned, then it can be used to track users across websites." |
write: set HSTS flag
read: read HSTS flag
result, same first party: not tested, not tested, not tested, not tested, not tested
result, different first party: Used http, Used http, Used http, Used http, Used http
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: set HSTS flag
read: read HSTS flag
result, same first party: not tested, not tested, not tested, not tested, not tested
result, different first party: Used http, Used http, Used http, Used http, Used http
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: set HSTS flag
read: read HSTS flag
result, same first party: not tested, not tested, not tested, not tested, not tested
result, different first party: Used http, Used http, Used http, Used http, Used http
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: set HSTS flag
read: read HSTS flag
result, same first party: not tested, not tested, not tested, not tested, not tested
result, different first party: Used http, Used http, Used http, Used http, Used http
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: set HSTS flag
read: read HSTS flag
result, same first party: not tested, not tested, not tested, not tested, not tested
result, different first party: Used http, Used http, Used http, Used http, Used http
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: set HSTS flag
read: read HSTS flag
result, same first party: not tested, not tested, not tested, not tested, not tested
result, different first party: Used http, Used http, Used http, Used http, Used http
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: set HSTS flag
read: read HSTS flag
result, same first party: not tested, not tested, not tested, not tested
result, different first party: Used http, Used http, Used http, Used http
unsupported: false, false, false, false
passed: true, true, true, true
test failed: false, false, false, false
|
write: set HSTS flag
read: read HSTS flag
result, same first party: not tested, not tested, not tested, not tested, not tested
result, different first party: Used http, Used http, Used http, Used http, Used http
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: set HSTS flag
read: read HSTS flag
result, same first party: not tested, not tested, not tested, not tested, not tested
result, different first party: Used http, Used http, Used http, Used http, Used http
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
iframe cacheAn iframe is an element in a web page than allows websites to embed a second web page. Caching of this web page could be abused for cross-site tracking. |
write: (key) => new Promise((resolve, reject) => {
let iframe = document.createElement("iframe");
document.body.appendChild(iframe);
iframe.addEventListener("load", () => resolve(key), {once: true});
iframe.src = testURI("resource", "page", key);
})
read: async (key) => {
let iframe = document.createElement("iframe");
document.body.appendChild(iframe);
let iframeLoadPromise = new Promise((resolve, reject) => {
iframe.addEventListener("load", resolve, {once: true});
});
let address = testURI("resource", "page", key);
iframe.src = address;
await iframeLoadPromise;
let response = await fetch(
testURI("ctr", "page", key), {"cache": "reload"});
return (await response.text()).trim();
}
result, same first party: 1, 1, 1, 1, 1
result, different first party: 2, 2, 2, 2, 2
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (key) => new Promise((resolve, reject) => {
let iframe = document.createElement("iframe");
document.body.appendChild(iframe);
iframe.addEventListener("load", () => resolve(key), {once: true});
iframe.src = testURI("resource", "page", key);
})
read: async (key) => {
let iframe = document.createElement("iframe");
document.body.appendChild(iframe);
let iframeLoadPromise = new Promise((resolve, reject) => {
iframe.addEventListener("load", resolve, {once: true});
});
let address = testURI("resource", "page", key);
iframe.src = address;
await iframeLoadPromise;
let response = await fetch(
testURI("ctr", "page", key), {"cache": "reload"});
return (await response.text()).trim();
}
result, same first party: 1, 1, 1, 1, 1
result, different first party: 2, 2, 2, 2, 2
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (key) => new Promise((resolve, reject) => {
let iframe = document.createElement("iframe");
document.body.appendChild(iframe);
iframe.addEventListener("load", () => resolve(key), {once: true});
iframe.src = testURI("resource", "page", key);
})
read: async (key) => {
let iframe = document.createElement("iframe");
document.body.appendChild(iframe);
let iframeLoadPromise = new Promise((resolve, reject) => {
iframe.addEventListener("load", resolve, {once: true});
});
let address = testURI("resource", "page", key);
iframe.src = address;
await iframeLoadPromise;
let response = await fetch(
testURI("ctr", "page", key), {"cache": "reload"});
return (await response.text()).trim();
}
result, same first party: 1, 1, 1, 1, 1
result, different first party: 2, 2, 2, 2, 2
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (key) => new Promise((resolve, reject) => {
let iframe = document.createElement("iframe");
document.body.appendChild(iframe);
iframe.addEventListener("load", () => resolve(key), {once: true});
iframe.src = testURI("resource", "page", key);
})
read: async (key) => {
let iframe = document.createElement("iframe");
document.body.appendChild(iframe);
let iframeLoadPromise = new Promise((resolve, reject) => {
iframe.addEventListener("load", resolve, {once: true});
});
let address = testURI("resource", "page", key);
iframe.src = address;
await iframeLoadPromise;
let response = await fetch(
testURI("ctr", "page", key), {"cache": "reload"});
return (await response.text()).trim();
}
result, same first party: 1, 1, 1, 1, 1
result, different first party: 2, 2, 2, 2, 2
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (key) => new Promise((resolve, reject) => {
let iframe = document.createElement("iframe");
document.body.appendChild(iframe);
iframe.addEventListener("load", () => resolve(key), {once: true});
iframe.src = testURI("resource", "page", key);
})
read: async (key) => {
let iframe = document.createElement("iframe");
document.body.appendChild(iframe);
let iframeLoadPromise = new Promise((resolve, reject) => {
iframe.addEventListener("load", resolve, {once: true});
});
let address = testURI("resource", "page", key);
iframe.src = address;
await iframeLoadPromise;
let response = await fetch(
testURI("ctr", "page", key), {"cache": "reload"});
return (await response.text()).trim();
}
result, same first party: 1, 1, 1, 1, 1
result, different first party: 2, 2, 2, 2, 2
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (key) => new Promise((resolve, reject) => {
let iframe = document.createElement("iframe");
document.body.appendChild(iframe);
iframe.addEventListener("load", () => resolve(key), {once: true});
iframe.src = testURI("resource", "page", key);
})
read: async (key) => {
let iframe = document.createElement("iframe");
document.body.appendChild(iframe);
let iframeLoadPromise = new Promise((resolve, reject) => {
iframe.addEventListener("load", resolve, {once: true});
});
let address = testURI("resource", "page", key);
iframe.src = address;
await iframeLoadPromise;
let response = await fetch(
testURI("ctr", "page", key), {"cache": "reload"});
return (await response.text()).trim();
}
result, same first party: 1, 1, 1, 1, 1
result, different first party: 2, 2, 2, 2, 2
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (key) => new Promise((resolve, reject) => {
let iframe = document.createElement("iframe");
document.body.appendChild(iframe);
iframe.addEventListener("load", () => resolve(key), {once: true});
iframe.src = testURI("resource", "page", key);
})
read: async (key) => {
let iframe = document.createElement("iframe");
document.body.appendChild(iframe);
let iframeLoadPromise = new Promise((resolve, reject) => {
iframe.addEventListener("load", resolve, {once: true});
});
let address = testURI("resource", "page", key);
iframe.src = address;
await iframeLoadPromise;
let response = await fetch(
testURI("ctr", "page", key), {"cache": "reload"});
return (await response.text()).trim();
}
result, same first party: 1, 1, 1, 1
result, different first party: 2, 2, 2, 2
unsupported: false, false, false, false
passed: true, true, true, true
test failed: false, false, false, false
|
write: (key) => new Promise((resolve, reject) => {
let iframe = document.createElement("iframe");
document.body.appendChild(iframe);
iframe.addEventListener("load", () => resolve(key), {once: true});
iframe.src = testURI("resource", "page", key);
})
read: async (key) => {
let iframe = document.createElement("iframe");
document.body.appendChild(iframe);
let iframeLoadPromise = new Promise((resolve, reject) => {
iframe.addEventListener("load", resolve, {once: true});
});
let address = testURI("resource", "page", key);
iframe.src = address;
await iframeLoadPromise;
let response = await fetch(
testURI("ctr", "page", key), {"cache": "reload"});
return (await response.text()).trim();
}
result, same first party: 1, 1, 1, 1, 1
result, different first party: 2, 2, 2, 2, 2
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (key) => new Promise((resolve, reject) => {
let iframe = document.createElement("iframe");
document.body.appendChild(iframe);
iframe.addEventListener("load", () => resolve(key), {once: true});
iframe.src = testURI("resource", "page", key);
})
read: async (key) => {
let iframe = document.createElement("iframe");
document.body.appendChild(iframe);
let iframeLoadPromise = new Promise((resolve, reject) => {
iframe.addEventListener("load", resolve, {once: true});
});
let address = testURI("resource", "page", key);
iframe.src = address;
await iframeLoadPromise;
let response = await fetch(
testURI("ctr", "page", key), {"cache": "reload"});
return (await response.text()).trim();
}
result, same first party: 1, 1, 1, 1, 1
result, different first party: 2, 2, 2, 2, 2
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
image cacheCaching of images in web browsers is a standard behavior. But if that cache leaks between websites, it can be abused for cross-site tracking. |
write: (key) => new Promise((resolve, reject) => {
let img = document.createElement("img");
document.body.appendChild(img);
img.addEventListener("load", () => resolve(key), {once: true});
img.src = testURI("resource", "image", key);
})
read: async (key) => {
let img = document.createElement("img");
document.body.appendChild(img);
let imgLoadPromise = new Promise((resolve, reject) => {
img.addEventListener("load", resolve, {once: true});
});
img.src = testURI("resource", "image", key);
await imgLoadPromise;
let response = await fetch(
testURI("ctr", "image", key), {"cache": "reload"});
return (await response.text()).trim();
}
result, same first party: 2, 2, 2, 2, 2
result, different first party: 3, 3, 3, 3, 3
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (key) => new Promise((resolve, reject) => {
let img = document.createElement("img");
document.body.appendChild(img);
img.addEventListener("load", () => resolve(key), {once: true});
img.src = testURI("resource", "image", key);
})
read: async (key) => {
let img = document.createElement("img");
document.body.appendChild(img);
let imgLoadPromise = new Promise((resolve, reject) => {
img.addEventListener("load", resolve, {once: true});
});
img.src = testURI("resource", "image", key);
await imgLoadPromise;
let response = await fetch(
testURI("ctr", "image", key), {"cache": "reload"});
return (await response.text()).trim();
}
result, same first party: 2, 2, 2, 2, 2
result, different first party: 3, 3, 3, 3, 3
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (key) => new Promise((resolve, reject) => {
let img = document.createElement("img");
document.body.appendChild(img);
img.addEventListener("load", () => resolve(key), {once: true});
img.src = testURI("resource", "image", key);
})
read: async (key) => {
let img = document.createElement("img");
document.body.appendChild(img);
let imgLoadPromise = new Promise((resolve, reject) => {
img.addEventListener("load", resolve, {once: true});
});
img.src = testURI("resource", "image", key);
await imgLoadPromise;
let response = await fetch(
testURI("ctr", "image", key), {"cache": "reload"});
return (await response.text()).trim();
}
result, same first party: 2, 2, 2, 2, 2
result, different first party: 3, 3, 3, 3, 3
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (key) => new Promise((resolve, reject) => {
let img = document.createElement("img");
document.body.appendChild(img);
img.addEventListener("load", () => resolve(key), {once: true});
img.src = testURI("resource", "image", key);
})
read: async (key) => {
let img = document.createElement("img");
document.body.appendChild(img);
let imgLoadPromise = new Promise((resolve, reject) => {
img.addEventListener("load", resolve, {once: true});
});
img.src = testURI("resource", "image", key);
await imgLoadPromise;
let response = await fetch(
testURI("ctr", "image", key), {"cache": "reload"});
return (await response.text()).trim();
}
result, same first party: 2, 2, 2, 2, 2
result, different first party: 3, 3, 3, 3, 3
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (key) => new Promise((resolve, reject) => {
let img = document.createElement("img");
document.body.appendChild(img);
img.addEventListener("load", () => resolve(key), {once: true});
img.src = testURI("resource", "image", key);
})
read: async (key) => {
let img = document.createElement("img");
document.body.appendChild(img);
let imgLoadPromise = new Promise((resolve, reject) => {
img.addEventListener("load", resolve, {once: true});
});
img.src = testURI("resource", "image", key);
await imgLoadPromise;
let response = await fetch(
testURI("ctr", "image", key), {"cache": "reload"});
return (await response.text()).trim();
}
result, same first party: 2, 2, 2, 2, 2
result, different first party: 3, 3, 3, 3, 3
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (key) => new Promise((resolve, reject) => {
let img = document.createElement("img");
document.body.appendChild(img);
img.addEventListener("load", () => resolve(key), {once: true});
img.src = testURI("resource", "image", key);
})
read: async (key) => {
let img = document.createElement("img");
document.body.appendChild(img);
let imgLoadPromise = new Promise((resolve, reject) => {
img.addEventListener("load", resolve, {once: true});
});
img.src = testURI("resource", "image", key);
await imgLoadPromise;
let response = await fetch(
testURI("ctr", "image", key), {"cache": "reload"});
return (await response.text()).trim();
}
result, same first party: 2, 2, 2, 2, 2
result, different first party: 3, 3, 3, 3, 3
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (key) => new Promise((resolve, reject) => {
let img = document.createElement("img");
document.body.appendChild(img);
img.addEventListener("load", () => resolve(key), {once: true});
img.src = testURI("resource", "image", key);
})
read: async (key) => {
let img = document.createElement("img");
document.body.appendChild(img);
let imgLoadPromise = new Promise((resolve, reject) => {
img.addEventListener("load", resolve, {once: true});
});
img.src = testURI("resource", "image", key);
await imgLoadPromise;
let response = await fetch(
testURI("ctr", "image", key), {"cache": "reload"});
return (await response.text()).trim();
}
result, same first party: 2, 2, 2, 2
result, different first party: 3, 3, 3, 3
unsupported: false, false, false, false
passed: true, true, true, true
test failed: false, false, false, false
|
write: (key) => new Promise((resolve, reject) => {
let img = document.createElement("img");
document.body.appendChild(img);
img.addEventListener("load", () => resolve(key), {once: true});
img.src = testURI("resource", "image", key);
})
read: async (key) => {
let img = document.createElement("img");
document.body.appendChild(img);
let imgLoadPromise = new Promise((resolve, reject) => {
img.addEventListener("load", resolve, {once: true});
});
img.src = testURI("resource", "image", key);
await imgLoadPromise;
let response = await fetch(
testURI("ctr", "image", key), {"cache": "reload"});
return (await response.text()).trim();
}
result, same first party: 2, 2, 2, 2, 2
result, different first party: 3, 3, 3, 3, 3
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (key) => new Promise((resolve, reject) => {
let img = document.createElement("img");
document.body.appendChild(img);
img.addEventListener("load", () => resolve(key), {once: true});
img.src = testURI("resource", "image", key);
})
read: async (key) => {
let img = document.createElement("img");
document.body.appendChild(img);
let imgLoadPromise = new Promise((resolve, reject) => {
img.addEventListener("load", resolve, {once: true});
});
img.src = testURI("resource", "image", key);
await imgLoadPromise;
let response = await fetch(
testURI("ctr", "image", key), {"cache": "reload"});
return (await response.text()).trim();
}
result, same first party: 2, 2, 2, 2, 2
result, different first party: 3, 3, 3, 3, 3
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
indexedDBThe IndexedDB API exposes a transactional database to web pages. That database can be used to track users across websites, unless it is partitioned. |
write: async (secret) => {
try {
return await IdbKeyVal.set("secret", secret);
} catch (e) {
throw new Error("Unsupported");
}
}
read: () => IdbKeyVal.get("secret")
result, same first party: 0e9db74c-bb8c-46a6-9962-1875e75662ca, 9570ca4c-f28c-4009-ab0a-5c461889d186, e673400c-2825-45a7-a205-c2e8e61133d3, ab488a5a-aac4-428e-839d-42da19904af7, cb5bef9c-c1e0-48ff-9100-bdc60d8ffeb4
result, different first party: undefined
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
try {
return await IdbKeyVal.set("secret", secret);
} catch (e) {
throw new Error("Unsupported");
}
}
read: () => IdbKeyVal.get("secret")
result, same first party: 0d2d1067-e166-496b-a470-3eafc9296301, f15f5053-bea5-4f0d-a5b1-5c221a3b6e8a, 209aff25-119c-4f49-afe1-39a7d9dae4e2, ce84dfe4-5628-476f-990c-5a8858d0e162, ccf35cdd-8fc4-4a11-87d0-bb76e252cc3e
result, different first party: undefined
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
try {
return await IdbKeyVal.set("secret", secret);
} catch (e) {
throw new Error("Unsupported");
}
}
read: () => IdbKeyVal.get("secret")
result, same first party: 1e3f5991-37f7-416b-b616-1df5e5ba1268, 26fa378a-a811-4e5f-b0cc-aa60fb3fcf08, d95bb20e-44e3-4fc2-925e-337125ec7abd, 2c777d15-106c-483a-a10b-d91804c8ea57, 82ec9bed-3c49-4a85-b385-b8a775e44680
result, different first party: undefined
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
try {
return await IdbKeyVal.set("secret", secret);
} catch (e) {
throw new Error("Unsupported");
}
}
read: () => IdbKeyVal.get("secret")
result, same first party: e6379eae-2e83-454d-bd6d-99d760386c7c, 9af50243-fd0a-412f-b292-a7606907e010, 15d419e5-5b11-417f-a121-10ebbf0f0f08, c9c112c0-e9cf-461d-b00e-5e41592edd5a, 60d3b4ea-a615-471c-b54e-df4fa0b29e93
result, different first party: undefined
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
try {
return await IdbKeyVal.set("secret", secret);
} catch (e) {
throw new Error("Unsupported");
}
}
read: () => IdbKeyVal.get("secret")
result, same first party: 5c7cd729-86c0-45b5-99ef-b7699af99022, c0e2bc0f-7fd7-4e4c-94e6-41f01e02c5fe, 49b163aa-dd92-4ba2-9259-f5a735f197a0, 1392c610-dd35-4c17-a211-56413ac124d1, 606371cc-5885-4114-8a68-4f73bf21a6af
result, different first party: undefined
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
try {
return await IdbKeyVal.set("secret", secret);
} catch (e) {
throw new Error("Unsupported");
}
}
read: () => IdbKeyVal.get("secret")
result, same first party: 11994322-5a63-4844-bbe7-fa0566bdc20e, a3c48001-4ce6-46a9-b823-9b54d0942594, 093abcd5-bb4f-4bab-97bd-3e4c69bfa738, 33d0e48f-ca43-44de-bd20-8a86623d8b83, 30fe6302-7aff-494d-a6ef-1d354a603191
result, different first party: undefined
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
try {
return await IdbKeyVal.set("secret", secret);
} catch (e) {
throw new Error("Unsupported");
}
}
read: () => IdbKeyVal.get("secret")
result, same first party: 23216b20-c384-4f19-afaf-d3bd891ad25a, d74b0b8a-ad92-4bab-97e9-6d9b212e2b6b, dd1760fa-7f6c-44e9-b776-792d5842c9ee, fc0b3a06-3a6e-4a7c-826c-615119dd53c1
result, different first party: undefined
unsupported: false, false, false, false
passed: true, true, true, true
test failed: false, false, false, false
|
write: async (secret) => {
try {
return await IdbKeyVal.set("secret", secret);
} catch (e) {
throw new Error("Unsupported");
}
}
read: () => IdbKeyVal.get("secret")
result, same first party: 0158d88c-cfbd-450f-ace7-427ef920bec2, f31901d2-7cc9-4c67-84a0-7547f7c2e446, a13c33a4-d3e8-44ed-8593-d046184cd225, 86991a77-cc95-4779-aa00-a2190db86cf0, 5d8faff3-0729-429c-8784-957c4d9a4e0b
result, different first party: undefined
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
try {
return await IdbKeyVal.set("secret", secret);
} catch (e) {
throw new Error("Unsupported");
}
}
read: () => IdbKeyVal.get("secret")
result, same first party: b068c45e-5547-4f9a-bbb8-5c5c1af0aed0, c1a9a20c-5df5-44f3-bf96-cf7f3c08fb65, a18888c3-3c3f-473e-9107-7558a652b1a8, 7ce81469-874a-4f7b-af5b-8e240b569832, 56c791a1-a1a7-44ff-b941-b44f8db4c42c
result, different first party: undefined
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
localStorageThe localStorage API gives websites access to a key-value database that will remain available across visits. If the localStorage API is not partitioned or blocked, it can also be used to track users across websites. |
write: (secret) => localStorage.setItem("secret", secret)
read: () => localStorage.getItem("secret")
result, same first party: 0e9db74c-bb8c-46a6-9962-1875e75662ca, 9570ca4c-f28c-4009-ab0a-5c461889d186, e673400c-2825-45a7-a205-c2e8e61133d3, ab488a5a-aac4-428e-839d-42da19904af7, cb5bef9c-c1e0-48ff-9100-bdc60d8ffeb4
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => localStorage.setItem("secret", secret)
read: () => localStorage.getItem("secret")
result, same first party: 0d2d1067-e166-496b-a470-3eafc9296301, f15f5053-bea5-4f0d-a5b1-5c221a3b6e8a, 209aff25-119c-4f49-afe1-39a7d9dae4e2, ce84dfe4-5628-476f-990c-5a8858d0e162, ccf35cdd-8fc4-4a11-87d0-bb76e252cc3e
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => localStorage.setItem("secret", secret)
read: () => localStorage.getItem("secret")
result, same first party: 1e3f5991-37f7-416b-b616-1df5e5ba1268, 26fa378a-a811-4e5f-b0cc-aa60fb3fcf08, d95bb20e-44e3-4fc2-925e-337125ec7abd, 2c777d15-106c-483a-a10b-d91804c8ea57, 82ec9bed-3c49-4a85-b385-b8a775e44680
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => localStorage.setItem("secret", secret)
read: () => localStorage.getItem("secret")
result, same first party: e6379eae-2e83-454d-bd6d-99d760386c7c, 9af50243-fd0a-412f-b292-a7606907e010, 15d419e5-5b11-417f-a121-10ebbf0f0f08, c9c112c0-e9cf-461d-b00e-5e41592edd5a, 60d3b4ea-a615-471c-b54e-df4fa0b29e93
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => localStorage.setItem("secret", secret)
read: () => localStorage.getItem("secret")
result, same first party: 5c7cd729-86c0-45b5-99ef-b7699af99022, c0e2bc0f-7fd7-4e4c-94e6-41f01e02c5fe, 49b163aa-dd92-4ba2-9259-f5a735f197a0, 1392c610-dd35-4c17-a211-56413ac124d1, 606371cc-5885-4114-8a68-4f73bf21a6af
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => localStorage.setItem("secret", secret)
read: () => localStorage.getItem("secret")
result, same first party: 11994322-5a63-4844-bbe7-fa0566bdc20e, a3c48001-4ce6-46a9-b823-9b54d0942594, 093abcd5-bb4f-4bab-97bd-3e4c69bfa738, 33d0e48f-ca43-44de-bd20-8a86623d8b83, 30fe6302-7aff-494d-a6ef-1d354a603191
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => localStorage.setItem("secret", secret)
read: () => localStorage.getItem("secret")
result, same first party: 23216b20-c384-4f19-afaf-d3bd891ad25a, d74b0b8a-ad92-4bab-97e9-6d9b212e2b6b, dd1760fa-7f6c-44e9-b776-792d5842c9ee, fc0b3a06-3a6e-4a7c-826c-615119dd53c1
result, different first party: , , ,
unsupported: false, false, false, false
passed: true, true, true, true
test failed: false, false, false, false
|
write: (secret) => localStorage.setItem("secret", secret)
read: () => localStorage.getItem("secret")
result, same first party: 0158d88c-cfbd-450f-ace7-427ef920bec2, f31901d2-7cc9-4c67-84a0-7547f7c2e446, a13c33a4-d3e8-44ed-8593-d046184cd225, 86991a77-cc95-4779-aa00-a2190db86cf0, 5d8faff3-0729-429c-8784-957c4d9a4e0b
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => localStorage.setItem("secret", secret)
read: () => localStorage.getItem("secret")
result, same first party: b068c45e-5547-4f9a-bbb8-5c5c1af0aed0, c1a9a20c-5df5-44f3-bf96-cf7f3c08fb65, a18888c3-3c3f-473e-9107-7558a652b1a8, 7ce81469-874a-4f7b-af5b-8e240b569832, 56c791a1-a1a7-44ff-b941-b44f8db4c42c
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
locksnavigator.locks (only supported in some browsers) allows scripts on multiple tabs to coordinate. If this API is not partitioned, it can be used for cross-site tracking. |
write: async (key) => {
if (navigator.locks) {
navigator.locks.request(key, lock => new Promise((f,r) => {}));
let queryResult = await navigator.locks.query();
return queryResult.held[0].clientId;
} else {
throw new Error("Unsupported");
}
}
read: async () => {
if (navigator.locks) {
let queryResult = await navigator.locks.query();
return queryResult.held[0].name;
}
}
result, same first party: 0e9db74c-bb8c-46a6-9962-1875e75662ca, 9570ca4c-f28c-4009-ab0a-5c461889d186, e673400c-2825-45a7-a205-c2e8e61133d3, ab488a5a-aac4-428e-839d-42da19904af7, cb5bef9c-c1e0-48ff-9100-bdc60d8ffeb4
result, different first party: Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name')
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
if (navigator.locks) {
navigator.locks.request(key, lock => new Promise((f,r) => {}));
let queryResult = await navigator.locks.query();
return queryResult.held[0].clientId;
} else {
throw new Error("Unsupported");
}
}
read: async () => {
if (navigator.locks) {
let queryResult = await navigator.locks.query();
return queryResult.held[0].name;
}
}
result, same first party: 0d2d1067-e166-496b-a470-3eafc9296301, f15f5053-bea5-4f0d-a5b1-5c221a3b6e8a, 209aff25-119c-4f49-afe1-39a7d9dae4e2, ce84dfe4-5628-476f-990c-5a8858d0e162, ccf35cdd-8fc4-4a11-87d0-bb76e252cc3e
result, different first party: Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name')
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
if (navigator.locks) {
navigator.locks.request(key, lock => new Promise((f,r) => {}));
let queryResult = await navigator.locks.query();
return queryResult.held[0].clientId;
} else {
throw new Error("Unsupported");
}
}
read: async () => {
if (navigator.locks) {
let queryResult = await navigator.locks.query();
return queryResult.held[0].name;
}
}
result, same first party: 1e3f5991-37f7-416b-b616-1df5e5ba1268, 26fa378a-a811-4e5f-b0cc-aa60fb3fcf08, d95bb20e-44e3-4fc2-925e-337125ec7abd, 2c777d15-106c-483a-a10b-d91804c8ea57, 82ec9bed-3c49-4a85-b385-b8a775e44680
result, different first party: Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name')
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
if (navigator.locks) {
navigator.locks.request(key, lock => new Promise((f,r) => {}));
let queryResult = await navigator.locks.query();
return queryResult.held[0].clientId;
} else {
throw new Error("Unsupported");
}
}
read: async () => {
if (navigator.locks) {
let queryResult = await navigator.locks.query();
return queryResult.held[0].name;
}
}
result, same first party: e6379eae-2e83-454d-bd6d-99d760386c7c, 9af50243-fd0a-412f-b292-a7606907e010, 15d419e5-5b11-417f-a121-10ebbf0f0f08, c9c112c0-e9cf-461d-b00e-5e41592edd5a, 60d3b4ea-a615-471c-b54e-df4fa0b29e93
result, different first party: Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name')
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
if (navigator.locks) {
navigator.locks.request(key, lock => new Promise((f,r) => {}));
let queryResult = await navigator.locks.query();
return queryResult.held[0].clientId;
} else {
throw new Error("Unsupported");
}
}
read: async () => {
if (navigator.locks) {
let queryResult = await navigator.locks.query();
return queryResult.held[0].name;
}
}
result, same first party: 5c7cd729-86c0-45b5-99ef-b7699af99022, c0e2bc0f-7fd7-4e4c-94e6-41f01e02c5fe, 49b163aa-dd92-4ba2-9259-f5a735f197a0, 1392c610-dd35-4c17-a211-56413ac124d1, 606371cc-5885-4114-8a68-4f73bf21a6af
result, different first party: Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name')
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
if (navigator.locks) {
navigator.locks.request(key, lock => new Promise((f,r) => {}));
let queryResult = await navigator.locks.query();
return queryResult.held[0].clientId;
} else {
throw new Error("Unsupported");
}
}
read: async () => {
if (navigator.locks) {
let queryResult = await navigator.locks.query();
return queryResult.held[0].name;
}
}
result, same first party: Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name')
result, different first party: Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name')
unsupported: false, false, false, false, false
passed: undefined
test failed: true, true, true, true, true
|
write: async (key) => {
if (navigator.locks) {
navigator.locks.request(key, lock => new Promise((f,r) => {}));
let queryResult = await navigator.locks.query();
return queryResult.held[0].clientId;
} else {
throw new Error("Unsupported");
}
}
read: async () => {
if (navigator.locks) {
let queryResult = await navigator.locks.query();
return queryResult.held[0].name;
}
}
result, same first party: 23216b20-c384-4f19-afaf-d3bd891ad25a, d74b0b8a-ad92-4bab-97e9-6d9b212e2b6b, dd1760fa-7f6c-44e9-b776-792d5842c9ee, fc0b3a06-3a6e-4a7c-826c-615119dd53c1
result, different first party: Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name')
unsupported: false, false, false, false
passed: true, true, true, true
test failed: false, false, false, false
|
write: async (key) => {
if (navigator.locks) {
navigator.locks.request(key, lock => new Promise((f,r) => {}));
let queryResult = await navigator.locks.query();
return queryResult.held[0].clientId;
} else {
throw new Error("Unsupported");
}
}
read: async () => {
if (navigator.locks) {
let queryResult = await navigator.locks.query();
return queryResult.held[0].name;
}
}
result, same first party: 0158d88c-cfbd-450f-ace7-427ef920bec2, f31901d2-7cc9-4c67-84a0-7547f7c2e446, a13c33a4-d3e8-44ed-8593-d046184cd225, 86991a77-cc95-4779-aa00-a2190db86cf0, 5d8faff3-0729-429c-8784-957c4d9a4e0b
result, different first party: Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name')
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
if (navigator.locks) {
navigator.locks.request(key, lock => new Promise((f,r) => {}));
let queryResult = await navigator.locks.query();
return queryResult.held[0].clientId;
} else {
throw new Error("Unsupported");
}
}
read: async () => {
if (navigator.locks) {
let queryResult = await navigator.locks.query();
return queryResult.held[0].name;
}
}
result, same first party: b068c45e-5547-4f9a-bbb8-5c5c1af0aed0, c1a9a20c-5df5-44f3-bf96-cf7f3c08fb65, a18888c3-3c3f-473e-9107-7558a652b1a8, 7ce81469-874a-4f7b-af5b-8e240b569832, 56c791a1-a1a7-44ff-b941-b44f8db4c42c
result, different first party: Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name'), Error: undefined is not an object (evaluating 'queryResult.held[0].name')
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
prefetch cacheA suggests to browsers they should fetch a resource ahead of time and cache it. But if browsers don't partition this cache, it can be used to track users across websites. | –
write: async (key) => {
let link = document.createElement("link");
link.rel = "prefetch";
link.href = testURI("resource", "prefetch", key);
document.getElementsByTagName("head")[0].appendChild(link);
return key;
}
read: async (key) => {
let link = document.createElement("link");
link.rel = "prefetch";
link.href = testURI("resource", "prefetch", key);
document.getElementsByTagName("head")[0].appendChild(link);
await sleepMs(500);
let response = await fetch(
testURI("ctr", "prefetch", key), {"cache": "reload"});
let countString = (await response.text()).trim();
if (parseInt(countString) === 0) {
throw new Error("No requests received");
}
return countString;
}
result, same first party: Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received
result, different first party: Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: async (key) => {
let link = document.createElement("link");
link.rel = "prefetch";
link.href = testURI("resource", "prefetch", key);
document.getElementsByTagName("head")[0].appendChild(link);
return key;
}
read: async (key) => {
let link = document.createElement("link");
link.rel = "prefetch";
link.href = testURI("resource", "prefetch", key);
document.getElementsByTagName("head")[0].appendChild(link);
await sleepMs(500);
let response = await fetch(
testURI("ctr", "prefetch", key), {"cache": "reload"});
let countString = (await response.text()).trim();
if (parseInt(countString) === 0) {
throw new Error("No requests received");
}
return countString;
}
result, same first party: Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received
result, different first party: Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: async (key) => {
let link = document.createElement("link");
link.rel = "prefetch";
link.href = testURI("resource", "prefetch", key);
document.getElementsByTagName("head")[0].appendChild(link);
return key;
}
read: async (key) => {
let link = document.createElement("link");
link.rel = "prefetch";
link.href = testURI("resource", "prefetch", key);
document.getElementsByTagName("head")[0].appendChild(link);
await sleepMs(500);
let response = await fetch(
testURI("ctr", "prefetch", key), {"cache": "reload"});
let countString = (await response.text()).trim();
if (parseInt(countString) === 0) {
throw new Error("No requests received");
}
return countString;
}
result, same first party: Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received
result, different first party: Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: async (key) => {
let link = document.createElement("link");
link.rel = "prefetch";
link.href = testURI("resource", "prefetch", key);
document.getElementsByTagName("head")[0].appendChild(link);
return key;
}
read: async (key) => {
let link = document.createElement("link");
link.rel = "prefetch";
link.href = testURI("resource", "prefetch", key);
document.getElementsByTagName("head")[0].appendChild(link);
await sleepMs(500);
let response = await fetch(
testURI("ctr", "prefetch", key), {"cache": "reload"});
let countString = (await response.text()).trim();
if (parseInt(countString) === 0) {
throw new Error("No requests received");
}
return countString;
}
result, same first party: Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received
result, different first party: Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: async (key) => {
let link = document.createElement("link");
link.rel = "prefetch";
link.href = testURI("resource", "prefetch", key);
document.getElementsByTagName("head")[0].appendChild(link);
return key;
}
read: async (key) => {
let link = document.createElement("link");
link.rel = "prefetch";
link.href = testURI("resource", "prefetch", key);
document.getElementsByTagName("head")[0].appendChild(link);
await sleepMs(500);
let response = await fetch(
testURI("ctr", "prefetch", key), {"cache": "reload"});
let countString = (await response.text()).trim();
if (parseInt(countString) === 0) {
throw new Error("No requests received");
}
return countString;
}
result, same first party: Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received
result, different first party: Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: async (key) => {
let link = document.createElement("link");
link.rel = "prefetch";
link.href = testURI("resource", "prefetch", key);
document.getElementsByTagName("head")[0].appendChild(link);
return key;
}
read: async (key) => {
let link = document.createElement("link");
link.rel = "prefetch";
link.href = testURI("resource", "prefetch", key);
document.getElementsByTagName("head")[0].appendChild(link);
await sleepMs(500);
let response = await fetch(
testURI("ctr", "prefetch", key), {"cache": "reload"});
let countString = (await response.text()).trim();
if (parseInt(countString) === 0) {
throw new Error("No requests received");
}
return countString;
}
result, same first party: Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received
result, different first party: Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: async (key) => {
let link = document.createElement("link");
link.rel = "prefetch";
link.href = testURI("resource", "prefetch", key);
document.getElementsByTagName("head")[0].appendChild(link);
return key;
}
read: async (key) => {
let link = document.createElement("link");
link.rel = "prefetch";
link.href = testURI("resource", "prefetch", key);
document.getElementsByTagName("head")[0].appendChild(link);
await sleepMs(500);
let response = await fetch(
testURI("ctr", "prefetch", key), {"cache": "reload"});
let countString = (await response.text()).trim();
if (parseInt(countString) === 0) {
throw new Error("No requests received");
}
return countString;
}
result, same first party: Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received
result, different first party: Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received
unsupported: true, true, true, true
passed: undefined
test failed: false, false, false, false
| –
write: async (key) => {
let link = document.createElement("link");
link.rel = "prefetch";
link.href = testURI("resource", "prefetch", key);
document.getElementsByTagName("head")[0].appendChild(link);
return key;
}
read: async (key) => {
let link = document.createElement("link");
link.rel = "prefetch";
link.href = testURI("resource", "prefetch", key);
document.getElementsByTagName("head")[0].appendChild(link);
await sleepMs(500);
let response = await fetch(
testURI("ctr", "prefetch", key), {"cache": "reload"});
let countString = (await response.text()).trim();
if (parseInt(countString) === 0) {
throw new Error("No requests received");
}
return countString;
}
result, same first party: Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received
result, different first party: Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
| –
write: async (key) => {
let link = document.createElement("link");
link.rel = "prefetch";
link.href = testURI("resource", "prefetch", key);
document.getElementsByTagName("head")[0].appendChild(link);
return key;
}
read: async (key) => {
let link = document.createElement("link");
link.rel = "prefetch";
link.href = testURI("resource", "prefetch", key);
document.getElementsByTagName("head")[0].appendChild(link);
await sleepMs(500);
let response = await fetch(
testURI("ctr", "prefetch", key), {"cache": "reload"});
let countString = (await response.text()).trim();
if (parseInt(countString) === 0) {
throw new Error("No requests received");
}
return countString;
}
result, same first party: Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received
result, different first party: Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received, Error: No requests received
unsupported: true, true, true, true, true
passed: undefined
test failed: false, false, false, false, false
|
ServiceWorkerThe ServiceWorker API allows websites to run code in the background and store content in the browser for offline use. If a ServiceWorker can be accessed from multiple websites, it can be abused to track users across sites. |
write: async (key) => {
if (!navigator.serviceWorker) {
throw new Error("Unsupported");
}
let registration = await navigator.serviceWorker.register(
'serviceWorker.js');
console.log(registration);
await navigator.serviceWorker.ready;
console.log("service worker ready");
await sleepMs(100);
await fetch(`serviceworker-write?secret=${key}`);
}
read: async () => {
console.log("trying to register the serviceworker now...");
const registration = await Promise.race([
navigator.serviceWorker.register('serviceWorker.js'),
sleepMs(500)
]);
if (registration === undefined) {
// We timed out or otherwise failed.
throw new Error("ServiceWorker registration failed");
}
console.log(registration);
await navigator.serviceWorker.ready;
console.log("service worker ready");
await sleepMs(100);
let response = await fetch("serviceworker-read");
return await response.text();
}
result, same first party: , , , ,
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: undefined
test failed: true, true, true, true, true
|
write: async (key) => {
if (!navigator.serviceWorker) {
throw new Error("Unsupported");
}
let registration = await navigator.serviceWorker.register(
'serviceWorker.js');
console.log(registration);
await navigator.serviceWorker.ready;
console.log("service worker ready");
await sleepMs(100);
await fetch(`serviceworker-write?secret=${key}`);
}
read: async () => {
console.log("trying to register the serviceworker now...");
const registration = await Promise.race([
navigator.serviceWorker.register('serviceWorker.js'),
sleepMs(500)
]);
if (registration === undefined) {
// We timed out or otherwise failed.
throw new Error("ServiceWorker registration failed");
}
console.log(registration);
await navigator.serviceWorker.ready;
console.log("service worker ready");
await sleepMs(100);
let response = await fetch("serviceworker-read");
return await response.text();
}
result, same first party: , , , ,
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: undefined
test failed: true, true, true, true, true
|
write: async (key) => {
if (!navigator.serviceWorker) {
throw new Error("Unsupported");
}
let registration = await navigator.serviceWorker.register(
'serviceWorker.js');
console.log(registration);
await navigator.serviceWorker.ready;
console.log("service worker ready");
await sleepMs(100);
await fetch(`serviceworker-write?secret=${key}`);
}
read: async () => {
console.log("trying to register the serviceworker now...");
const registration = await Promise.race([
navigator.serviceWorker.register('serviceWorker.js'),
sleepMs(500)
]);
if (registration === undefined) {
// We timed out or otherwise failed.
throw new Error("ServiceWorker registration failed");
}
console.log(registration);
await navigator.serviceWorker.ready;
console.log("service worker ready");
await sleepMs(100);
let response = await fetch("serviceworker-read");
return await response.text();
}
result, same first party: , , , ,
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: undefined
test failed: true, true, true, true, true
|
write: async (key) => {
if (!navigator.serviceWorker) {
throw new Error("Unsupported");
}
let registration = await navigator.serviceWorker.register(
'serviceWorker.js');
console.log(registration);
await navigator.serviceWorker.ready;
console.log("service worker ready");
await sleepMs(100);
await fetch(`serviceworker-write?secret=${key}`);
}
read: async () => {
console.log("trying to register the serviceworker now...");
const registration = await Promise.race([
navigator.serviceWorker.register('serviceWorker.js'),
sleepMs(500)
]);
if (registration === undefined) {
// We timed out or otherwise failed.
throw new Error("ServiceWorker registration failed");
}
console.log(registration);
await navigator.serviceWorker.ready;
console.log("service worker ready");
await sleepMs(100);
let response = await fetch("serviceworker-read");
return await response.text();
}
result, same first party: , , , ,
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: undefined
test failed: true, true, true, true, true
|
write: async (key) => {
if (!navigator.serviceWorker) {
throw new Error("Unsupported");
}
let registration = await navigator.serviceWorker.register(
'serviceWorker.js');
console.log(registration);
await navigator.serviceWorker.ready;
console.log("service worker ready");
await sleepMs(100);
await fetch(`serviceworker-write?secret=${key}`);
}
read: async () => {
console.log("trying to register the serviceworker now...");
const registration = await Promise.race([
navigator.serviceWorker.register('serviceWorker.js'),
sleepMs(500)
]);
if (registration === undefined) {
// We timed out or otherwise failed.
throw new Error("ServiceWorker registration failed");
}
console.log(registration);
await navigator.serviceWorker.ready;
console.log("service worker ready");
await sleepMs(100);
let response = await fetch("serviceworker-read");
return await response.text();
}
result, same first party: , , , ,
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: undefined
test failed: true, true, true, true, true
|
write: async (key) => {
if (!navigator.serviceWorker) {
throw new Error("Unsupported");
}
let registration = await navigator.serviceWorker.register(
'serviceWorker.js');
console.log(registration);
await navigator.serviceWorker.ready;
console.log("service worker ready");
await sleepMs(100);
await fetch(`serviceworker-write?secret=${key}`);
}
read: async () => {
console.log("trying to register the serviceworker now...");
const registration = await Promise.race([
navigator.serviceWorker.register('serviceWorker.js'),
sleepMs(500)
]);
if (registration === undefined) {
// We timed out or otherwise failed.
throw new Error("ServiceWorker registration failed");
}
console.log(registration);
await navigator.serviceWorker.ready;
console.log("service worker ready");
await sleepMs(100);
let response = await fetch("serviceworker-read");
return await response.text();
}
result, same first party: , , , ,
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: undefined
test failed: true, true, true, true, true
|
write: async (key) => {
if (!navigator.serviceWorker) {
throw new Error("Unsupported");
}
let registration = await navigator.serviceWorker.register(
'serviceWorker.js');
console.log(registration);
await navigator.serviceWorker.ready;
console.log("service worker ready");
await sleepMs(100);
await fetch(`serviceworker-write?secret=${key}`);
}
read: async () => {
console.log("trying to register the serviceworker now...");
const registration = await Promise.race([
navigator.serviceWorker.register('serviceWorker.js'),
sleepMs(500)
]);
if (registration === undefined) {
// We timed out or otherwise failed.
throw new Error("ServiceWorker registration failed");
}
console.log(registration);
await navigator.serviceWorker.ready;
console.log("service worker ready");
await sleepMs(100);
let response = await fetch("serviceworker-read");
return await response.text();
}
result, same first party: , , ,
result, different first party: , , ,
unsupported: false, false, false, false
passed: undefined
test failed: true, true, true, true
|
write: async (key) => {
if (!navigator.serviceWorker) {
throw new Error("Unsupported");
}
let registration = await navigator.serviceWorker.register(
'serviceWorker.js');
console.log(registration);
await navigator.serviceWorker.ready;
console.log("service worker ready");
await sleepMs(100);
await fetch(`serviceworker-write?secret=${key}`);
}
read: async () => {
console.log("trying to register the serviceworker now...");
const registration = await Promise.race([
navigator.serviceWorker.register('serviceWorker.js'),
sleepMs(500)
]);
if (registration === undefined) {
// We timed out or otherwise failed.
throw new Error("ServiceWorker registration failed");
}
console.log(registration);
await navigator.serviceWorker.ready;
console.log("service worker ready");
await sleepMs(100);
let response = await fetch("serviceworker-read");
return await response.text();
}
result, same first party: , , , ,
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: undefined
test failed: true, true, true, true, true
|
write: async (key) => {
if (!navigator.serviceWorker) {
throw new Error("Unsupported");
}
let registration = await navigator.serviceWorker.register(
'serviceWorker.js');
console.log(registration);
await navigator.serviceWorker.ready;
console.log("service worker ready");
await sleepMs(100);
await fetch(`serviceworker-write?secret=${key}`);
}
read: async () => {
console.log("trying to register the serviceworker now...");
const registration = await Promise.race([
navigator.serviceWorker.register('serviceWorker.js'),
sleepMs(500)
]);
if (registration === undefined) {
// We timed out or otherwise failed.
throw new Error("ServiceWorker registration failed");
}
console.log(registration);
await navigator.serviceWorker.ready;
console.log("service worker ready");
await sleepMs(100);
let response = await fetch("serviceworker-read");
return await response.text();
}
result, same first party: , , , ,
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: undefined
test failed: true, true, true, true, true
|
SharedWorkerThe SharedWorker API allows scripts from multiple tabs to share a background thread of computation. If SharedWorker is not partitioned, then it can be abused to shared data between websites in your browser. |
write: async (secret) => {
try {
let worker = new SharedWorker("supercookies_sharedworker.js");
worker.port.start();
// console.log("worker", worker);
const messagePromise = new Promise((resolve) => {
worker.port.onmessage = (e) => resolve(e.data);
});
worker.port.postMessage(secret);
await messagePromise;
} catch (e) {
throw new Error("Unsupported");
}
}
read: async () => {
let worker = new SharedWorker("supercookies_sharedworker.js");
worker.port.start();
const messagePromise = new Promise((resolve, reject) => {
worker.port.onmessage = (e) => resolve(e.data);
setTimeout(() => reject(new Error("no SharedWorker message received")), 200);
});
worker.port.postMessage("request");
return messagePromise;
}
result, same first party: 0e9db74c-bb8c-46a6-9962-1875e75662ca, 9570ca4c-f28c-4009-ab0a-5c461889d186, e673400c-2825-45a7-a205-c2e8e61133d3, ab488a5a-aac4-428e-839d-42da19904af7, cb5bef9c-c1e0-48ff-9100-bdc60d8ffeb4
result, different first party: none, none, none, none, none
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
try {
let worker = new SharedWorker("supercookies_sharedworker.js");
worker.port.start();
// console.log("worker", worker);
const messagePromise = new Promise((resolve) => {
worker.port.onmessage = (e) => resolve(e.data);
});
worker.port.postMessage(secret);
await messagePromise;
} catch (e) {
throw new Error("Unsupported");
}
}
read: async () => {
let worker = new SharedWorker("supercookies_sharedworker.js");
worker.port.start();
const messagePromise = new Promise((resolve, reject) => {
worker.port.onmessage = (e) => resolve(e.data);
setTimeout(() => reject(new Error("no SharedWorker message received")), 200);
});
worker.port.postMessage("request");
return messagePromise;
}
result, same first party: 0d2d1067-e166-496b-a470-3eafc9296301, f15f5053-bea5-4f0d-a5b1-5c221a3b6e8a, 209aff25-119c-4f49-afe1-39a7d9dae4e2, ce84dfe4-5628-476f-990c-5a8858d0e162, ccf35cdd-8fc4-4a11-87d0-bb76e252cc3e
result, different first party: none, none, none, none, none
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
try {
let worker = new SharedWorker("supercookies_sharedworker.js");
worker.port.start();
// console.log("worker", worker);
const messagePromise = new Promise((resolve) => {
worker.port.onmessage = (e) => resolve(e.data);
});
worker.port.postMessage(secret);
await messagePromise;
} catch (e) {
throw new Error("Unsupported");
}
}
read: async () => {
let worker = new SharedWorker("supercookies_sharedworker.js");
worker.port.start();
const messagePromise = new Promise((resolve, reject) => {
worker.port.onmessage = (e) => resolve(e.data);
setTimeout(() => reject(new Error("no SharedWorker message received")), 200);
});
worker.port.postMessage("request");
return messagePromise;
}
result, same first party: 1e3f5991-37f7-416b-b616-1df5e5ba1268, 26fa378a-a811-4e5f-b0cc-aa60fb3fcf08, d95bb20e-44e3-4fc2-925e-337125ec7abd, 2c777d15-106c-483a-a10b-d91804c8ea57, 82ec9bed-3c49-4a85-b385-b8a775e44680
result, different first party: none, none, none, none, none
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
try {
let worker = new SharedWorker("supercookies_sharedworker.js");
worker.port.start();
// console.log("worker", worker);
const messagePromise = new Promise((resolve) => {
worker.port.onmessage = (e) => resolve(e.data);
});
worker.port.postMessage(secret);
await messagePromise;
} catch (e) {
throw new Error("Unsupported");
}
}
read: async () => {
let worker = new SharedWorker("supercookies_sharedworker.js");
worker.port.start();
const messagePromise = new Promise((resolve, reject) => {
worker.port.onmessage = (e) => resolve(e.data);
setTimeout(() => reject(new Error("no SharedWorker message received")), 200);
});
worker.port.postMessage("request");
return messagePromise;
}
result, same first party: e6379eae-2e83-454d-bd6d-99d760386c7c, 9af50243-fd0a-412f-b292-a7606907e010, 15d419e5-5b11-417f-a121-10ebbf0f0f08, c9c112c0-e9cf-461d-b00e-5e41592edd5a, 60d3b4ea-a615-471c-b54e-df4fa0b29e93
result, different first party: none, none, none, none, none
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
try {
let worker = new SharedWorker("supercookies_sharedworker.js");
worker.port.start();
// console.log("worker", worker);
const messagePromise = new Promise((resolve) => {
worker.port.onmessage = (e) => resolve(e.data);
});
worker.port.postMessage(secret);
await messagePromise;
} catch (e) {
throw new Error("Unsupported");
}
}
read: async () => {
let worker = new SharedWorker("supercookies_sharedworker.js");
worker.port.start();
const messagePromise = new Promise((resolve, reject) => {
worker.port.onmessage = (e) => resolve(e.data);
setTimeout(() => reject(new Error("no SharedWorker message received")), 200);
});
worker.port.postMessage("request");
return messagePromise;
}
result, same first party: 5c7cd729-86c0-45b5-99ef-b7699af99022, c0e2bc0f-7fd7-4e4c-94e6-41f01e02c5fe, 49b163aa-dd92-4ba2-9259-f5a735f197a0, 1392c610-dd35-4c17-a211-56413ac124d1, 606371cc-5885-4114-8a68-4f73bf21a6af
result, different first party: none, none, none, none, none
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
try {
let worker = new SharedWorker("supercookies_sharedworker.js");
worker.port.start();
// console.log("worker", worker);
const messagePromise = new Promise((resolve) => {
worker.port.onmessage = (e) => resolve(e.data);
});
worker.port.postMessage(secret);
await messagePromise;
} catch (e) {
throw new Error("Unsupported");
}
}
read: async () => {
let worker = new SharedWorker("supercookies_sharedworker.js");
worker.port.start();
const messagePromise = new Promise((resolve, reject) => {
worker.port.onmessage = (e) => resolve(e.data);
setTimeout(() => reject(new Error("no SharedWorker message received")), 200);
});
worker.port.postMessage("request");
return messagePromise;
}
result, same first party: none, none, none, none, none
result, different first party: none, none, none, none, none
unsupported: false, false, false, false, false
passed: false, false, false, false, false
test failed: false, false, false, false, false
|
write: async (secret) => {
try {
let worker = new SharedWorker("supercookies_sharedworker.js");
worker.port.start();
// console.log("worker", worker);
const messagePromise = new Promise((resolve) => {
worker.port.onmessage = (e) => resolve(e.data);
});
worker.port.postMessage(secret);
await messagePromise;
} catch (e) {
throw new Error("Unsupported");
}
}
read: async () => {
let worker = new SharedWorker("supercookies_sharedworker.js");
worker.port.start();
const messagePromise = new Promise((resolve, reject) => {
worker.port.onmessage = (e) => resolve(e.data);
setTimeout(() => reject(new Error("no SharedWorker message received")), 200);
});
worker.port.postMessage("request");
return messagePromise;
}
result, same first party: 23216b20-c384-4f19-afaf-d3bd891ad25a, d74b0b8a-ad92-4bab-97e9-6d9b212e2b6b, dd1760fa-7f6c-44e9-b776-792d5842c9ee, fc0b3a06-3a6e-4a7c-826c-615119dd53c1
result, different first party: none, none, none, none
unsupported: false, false, false, false
passed: true, true, true, true
test failed: false, false, false, false
|
write: async (secret) => {
try {
let worker = new SharedWorker("supercookies_sharedworker.js");
worker.port.start();
// console.log("worker", worker);
const messagePromise = new Promise((resolve) => {
worker.port.onmessage = (e) => resolve(e.data);
});
worker.port.postMessage(secret);
await messagePromise;
} catch (e) {
throw new Error("Unsupported");
}
}
read: async () => {
let worker = new SharedWorker("supercookies_sharedworker.js");
worker.port.start();
const messagePromise = new Promise((resolve, reject) => {
worker.port.onmessage = (e) => resolve(e.data);
setTimeout(() => reject(new Error("no SharedWorker message received")), 200);
});
worker.port.postMessage("request");
return messagePromise;
}
result, same first party: 0158d88c-cfbd-450f-ace7-427ef920bec2, f31901d2-7cc9-4c67-84a0-7547f7c2e446, a13c33a4-d3e8-44ed-8593-d046184cd225, 86991a77-cc95-4779-aa00-a2190db86cf0, 5d8faff3-0729-429c-8784-957c4d9a4e0b
result, different first party: none, none, none, none, none
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (secret) => {
try {
let worker = new SharedWorker("supercookies_sharedworker.js");
worker.port.start();
// console.log("worker", worker);
const messagePromise = new Promise((resolve) => {
worker.port.onmessage = (e) => resolve(e.data);
});
worker.port.postMessage(secret);
await messagePromise;
} catch (e) {
throw new Error("Unsupported");
}
}
read: async () => {
let worker = new SharedWorker("supercookies_sharedworker.js");
worker.port.start();
const messagePromise = new Promise((resolve, reject) => {
worker.port.onmessage = (e) => resolve(e.data);
setTimeout(() => reject(new Error("no SharedWorker message received")), 200);
});
worker.port.postMessage("request");
return messagePromise;
}
result, same first party: b068c45e-5547-4f9a-bbb8-5c5c1af0aed0, c1a9a20c-5df5-44f3-bf96-cf7f3c08fb65, a18888c3-3c3f-473e-9107-7558a652b1a8, 7ce81469-874a-4f7b-af5b-8e240b569832, 56c791a1-a1a7-44ff-b941-b44f8db4c42c
result, different first party: none, none, none, none, none
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
TLS Session IDThe TLS protocol is used by HTTPS to make connections secure. If the browser were to re-use a TLS session, then the session ID could be used to track users across websites. |
write: async () => {
let results = await fetch("https://tls.privacytests2.org:8900/");
return (await results.json()).sessionId;
}
read: async () => {
let results = await fetch("https://tls.privacytests2.org:8900/");
return (await results.json()).sessionId;
}
result, same first party: 54a879532f026f6fe7098e3389e5fc472f98bf0bb9323925360c57cb967c7157, adba30909ac042453272d892aeee6973fc430b6729c8fabcde1ed13bd8136619, c07969975bc4c579d3875375719ae892a628dfa3e9affd6d967699828b825f75, 43f698120aaf9049f8418248befc2debf6a1317aaa9eb1b451c260e44bbdf21b, d017e2746f3c85271733cad14c02cbd9f6bdca053603f942b519f669849ae0a6
result, different first party: c7d4613d68f395406563223dc04fd023cdc3778f042739eb934e9727ea0585c0, 7d82aa8f9f89027e42c169dd8aecd2bf79a6c0f6f4cf95358b56fc1608254a7f, dd323b9e24ae21b49ead48cb82b8fd0f16e2c2857fdc971c5f48d1a82dfb3aac, 19b65408df58c4c6d79354a44f36f035bd3abc47a22b13e777aed142edde8e7c, 4237bf700e344869960a7635a7d06aee2cb8e4902704f73c3fa34afd784990c6
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async () => {
let results = await fetch("https://tls.privacytests2.org:8900/");
return (await results.json()).sessionId;
}
read: async () => {
let results = await fetch("https://tls.privacytests2.org:8900/");
return (await results.json()).sessionId;
}
result, same first party: 33579b35c606192492fca6161091ab485d66d1bd8e3d61b4f9fadfaf79604386, 3c229541558bc7c37900520353ff71044318e73e11f51bdaf48587963d8174be, 8ba8e1e6b2f959f57fb9bdd93a7f4502d7d8ab2c16288b4259a71541460a8c4b, 16fcc4eda3e54ec4ed0e51d9b454e124d0e23c8d0a0cf6539a9b43c204adf65a, d5dd4b2621354332da4c5d3b473b7c107d23aaf8ec306f2efcbc6f9584dda753
result, different first party: 8c6d34c4da7c97db701f62854cd226db27e354882238d1df3f3ce4394cff001a, 705b35304e0da25272d15248291b918b5870efe4d29e6d82364571a55c42ee78, 7f1a2755cc36c01eb64c1e8d87a8ab4d6b767ba899726a5bc46dd49f216ee0e0, 48ef75e7360b69d62e82e746e3355cee07eac2d2979fb06b24ec4d07095cbea4, 456d47be1d10af8014042948add303a82c7f9ba37fbdc94a4b78a6c524145173
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async () => {
let results = await fetch("https://tls.privacytests2.org:8900/");
return (await results.json()).sessionId;
}
read: async () => {
let results = await fetch("https://tls.privacytests2.org:8900/");
return (await results.json()).sessionId;
}
result, same first party: e2267abee38d95c4dbcf84d1ae62aa1cafe82fefeb4c77a8313581f7959d3e72, d22605da3f08a29ff027b58ce98b110c8e6d908041e19ea7c7dc13305e5f5ee4, c223f2169ea514392ca4f5031302a1e7af34fe0e48ce872439ef98e66011e034, 30ff1e0488f13942634cd1caa3066087752be2f132555ee6cd3ce4bbb11f62a4, 21f32c1cbde9a8af48ee51e6b9e4244fd4e7e84f1220966c9dc220d79bdf9883
result, different first party: f81120ba4b3bfc33ab1ac92f47917c155085e7330458e87f4d786fc8f8bc49f1, af8a5e0cb058d0b1ec29ad64ef78ad2a510cd7040c59c90c06366d946e999de0, 9439254bf967ec92f5abfcb97aafdc6faff763eee6d8a2bbabde51251678f234, cbc72768c5cf229ecc283333fbde7631f4a0afb4b1496679c20684298e5f3acc, f1dc196424c33d8ccee627893a67e5cdf512c6b1a8e6f26c377fb3fcbc461b99
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async () => {
let results = await fetch("https://tls.privacytests2.org:8900/");
return (await results.json()).sessionId;
}
read: async () => {
let results = await fetch("https://tls.privacytests2.org:8900/");
return (await results.json()).sessionId;
}
result, same first party: f7fb4990f5b9b9f97867750cf66fb63d4e08f89adba4589927a21a1ed61132dc, af651c46ced57dfbfaf8f7c4f3ac547ab06435a53bae03248d717c96a6cd3201, 130d1cd4a2752d3de4692440c42cbcc28f403157810e82644edde537f4be5ca9, cb44100a49caf993f3a2ecb8540dbc1f9396875d57cdb507b91c29b234e68423, 298d003f7b19d911b7e3d43c0f6631ba90d7b066e0fe70d66b30a0cd7d3b7c40
result, different first party: b7861505523393025a44034e6d258f32414f7b1e10a4a59f978a681b6a635112, b7f3d8e6eb1b63c00bc404be1342881e66275b21380bf4d3694ff8858d84a820, 86b144b1597440297a7f097620cd293a2094a96902e0b79c0db438cfe6e8f274, 54898a2b445c856c9e5ab1a84196568305277368b1adb0d4fa42c32989194cee, a34da855a06fb70465ecc62dfb6137acb858390848e0b5f1e2e12a1c8cf91ae7
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async () => {
let results = await fetch("https://tls.privacytests2.org:8900/");
return (await results.json()).sessionId;
}
read: async () => {
let results = await fetch("https://tls.privacytests2.org:8900/");
return (await results.json()).sessionId;
}
result, same first party: d6e0cd71f40989aeeb3fecded6b5adeaac330daefbe9dfe9a5677ccef7b6a267, 2292cde61604bb2ca4406c7dc89ec03d7946095ca2c405f9a2a8679565446db6, 4454191b09179d49e907468c00b9460e2475c891ae1cadbdcc77f7e31a2398f3, 0cf3b7548734d967035243179fe33091cb9e52a0b3a618632064cf57d1306f26, fbc4105ffecdfd801fce2483e0b1f0c8ed7c5e438dd10fe515feccb1baa5969d
result, different first party: d36b4e442d8b13150c7b9569eef4009ceea43388b5f1bfc8c72e85ff209a9b55, a95d6029f916f20a44f6a9d1cae4c45479b29f5a45f171365ac97cddf4f28e6a, 4d1062012ad77df5f94f07f3161e345b77e2a33eadf5790e5db485410f453a58, f022cb29920257239d8443097bfd12bebc268dc09fec4a1ec98ea4b2ddcc421e, 9ece3b02efedc834fe0e2d1b2b20343a579479e8151aef627aedb93620b961bf
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async () => {
let results = await fetch("https://tls.privacytests2.org:8900/");
return (await results.json()).sessionId;
}
read: async () => {
let results = await fetch("https://tls.privacytests2.org:8900/");
return (await results.json()).sessionId;
}
result, same first party: 493e43072d0524e6af6bc34e94689e4b7f29b87f1351bf740ec15ce824e54fb4, e3975265d42e5b81a88af6a72958c9623c7ff51516d8df5f2f017e34a255c410, 7229297375683578638439abcd9d31fc77b23ba0d3ce704e8b8fe2813c85e43b, 3c12a0d3f9cdeab4c7e8b0675d2ffe062c3bf24cc041084528bfcdfb766fa999, fba2f0dbfa5c992223da544822ad912409ddbe49cdca09f1bbb5f4dcdfb87870
result, different first party: 3b5ec36da7795019b4ee90a41f757e4ff7d5aec461e89676986aca0d30d15d8b, 038d7289597ff88e51de96dbabcf183016c8ef1818404f19adef0fadf87e92a1, 451ebc46234a140cb6d86ed3af7b1c2d66d0e3ce8f4e9c660c616cf8f7b9a6e1, 3a4a7d85928ceaeba99b8f874b8bd578093956ed7c2a0e29d8c736f5448a1abb, 4557b651019723da2804414f0d54c463ca8eff7bc345307aaaa60825f87f2fc4
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async () => {
let results = await fetch("https://tls.privacytests2.org:8900/");
return (await results.json()).sessionId;
}
read: async () => {
let results = await fetch("https://tls.privacytests2.org:8900/");
return (await results.json()).sessionId;
}
result, same first party: 1fa849ff67156c6f8f54d03a9e11dbec737af2bd6c3c3e5858ce39678ec2e38f, e2b188c45e315af9d2f88b2f343b17d5062cde6deefdd7035d4884b40f9b06a2, 75783ba213cdb4a6dd99304c0c42ee293e09db14b3f79a8e37513129dcff9d0f, aff3861bfcb3dbeca21915c83b589d47c723058dfaa7d7c94b379c85ee6c5f94
result, different first party: 89494a10ba185beada526be4f79814459a6159cfa06afaaf228ea382e35bdfc0, d7c6391446f27e8d0e54cfe2cb3ff8b2f3eeed11fed8263653560f466a79f40d, 74da6c3c6e3dd3e49fe85cfc902eee0e464cc0eb55fea30c5fb0159710eafe04, 4b39831d5e68375320a1d09f716557761596a56a15d50759afce64dea0b741f0
unsupported: false, false, false, false
passed: true, true, true, true
test failed: false, false, false, false
|
write: async () => {
let results = await fetch("https://tls.privacytests2.org:8900/");
return (await results.json()).sessionId;
}
read: async () => {
let results = await fetch("https://tls.privacytests2.org:8900/");
return (await results.json()).sessionId;
}
result, same first party: acdf664e42d2705ffe0b87becaa72e1f08b00e8614f9647e5e94313805c93246, e37b88da318941bd1bb05f118c0b3d125419388b482d3d4291a24137d6c2df80, 5b07629c59062ce9460b195522e7e84c176be69263e46b19a1fc592f509e217c, 0dd34249d2882e48d121b600840b4abc398ba07e11dfa73f8e49fab55ea3f137, e7e803b88b26a737805abeac3cb734c80036b3286b3a3ee278aa46d884f3560f
result, different first party: cedefc7d03d0993a83d436e8dcbd828700e267dad4a03541aaf97ba7c44c96d4, f9557e43eb0350154b97b16262b2d00543d6563be0b0662d9285277c366e2fed, 307f6f64ba8992fd204237437fd32c969bb4917a64c6d0298154a58cd433fd53, ef0febba5cd453726344000bf1ed15aa4a63b3ea3a7ee81d952b197659ab486f, 9e435ee85ed815b58f8323e37301fc3a76445e8fb8ebb9a67baecf5fef1aa699
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async () => {
let results = await fetch("https://tls.privacytests2.org:8900/");
return (await results.json()).sessionId;
}
read: async () => {
let results = await fetch("https://tls.privacytests2.org:8900/");
return (await results.json()).sessionId;
}
result, same first party: b32f83a2dac26991a4785222cd82d093d4eef877d1fea4fc0b30188686264b91, e795759e637800cbcbd1c2b462be0ee3b862808ff57d86774ed4bc48897435ad, 2e16521ed46c1666e04b9167eca891c1f789b5db0202b3f61a2724bd8b4d8de1, 0e437d4b90c315ba6d9ae90f8ca87500621ba57d3270e8986b106c669a10f105, 8a4e40f1ec7efdfcc099dbbb64c8b82c626af2c1295cf8427a224ae80e0df7c4
result, different first party: fb5a264f7a0020849686989ada2ca0b454d8c05a7d76bea9dbbba55e09df2776, efc9ddbe40f7ee53dba549c7510760dfb30c2741e7dccf56c1befdcc4febb345, a491510ce4483129e6c9cbcfe34a859826d2ac3abbfe2dc6a2353aed262d0cc7, 1b773ac6812c4adc67fe578ef1bceb530b6e357da6f0be7973631290ab306da0, 40b8cabd7e555a7cbfb8fe836d4a4d84c681390e943e0897c1682015334fc048
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
Web SQL DatabaseThe Web SQL Database is a deprecated web API for storing data in an SQL database. |
write: async (key) => {
if (!window.openDatabase) {
throw new Error("gported");
}
let database = window.openDatabase("sqlite_supercookie", "", "supercookie", 1024 * 1024);
let tx = new Promise((resolve) => database.transaction(tx => {
tx.executeSql(
`CREATE TABLE IF NOT EXISTS cache(
id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL,
value TEXT NOT NULL,
UNIQUE (name)
)`,
[], (tx, rs) => {}, (tx, err) => {});
tx.executeSql(
`INSERT OR REPLACE INTO cache(name, value)
VALUES(?, ?)`,
["secret", key], (tx, rs) => {}, (tx, rs) => {});
}));
}
read: async () => {
let database = window.openDatabase("sqlite_supercookie", "", "supercookie", 1024 * 1024);
let result = await new Promise((resolve, reject) => database.transaction(tx => {
tx.executeSql(
"SELECT value FROM cache WHERE name=?",
["secret"],
(tx, rs) => resolve(rs),
(tx, err) => reject(err));
}));
return result.rows.item(0).value;
}
result, same first party: Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated
result, different first party: Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated
unsupported: false, false, false, false, false
passed: undefined
test failed: true, true, true, true, true
|
write: async (key) => {
if (!window.openDatabase) {
throw new Error("gported");
}
let database = window.openDatabase("sqlite_supercookie", "", "supercookie", 1024 * 1024);
let tx = new Promise((resolve) => database.transaction(tx => {
tx.executeSql(
`CREATE TABLE IF NOT EXISTS cache(
id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL,
value TEXT NOT NULL,
UNIQUE (name)
)`,
[], (tx, rs) => {}, (tx, err) => {});
tx.executeSql(
`INSERT OR REPLACE INTO cache(name, value)
VALUES(?, ?)`,
["secret", key], (tx, rs) => {}, (tx, rs) => {});
}));
}
read: async () => {
let database = window.openDatabase("sqlite_supercookie", "", "supercookie", 1024 * 1024);
let result = await new Promise((resolve, reject) => database.transaction(tx => {
tx.executeSql(
"SELECT value FROM cache WHERE name=?",
["secret"],
(tx, rs) => resolve(rs),
(tx, err) => reject(err));
}));
return result.rows.item(0).value;
}
result, same first party: Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated
result, different first party: Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated
unsupported: false, false, false, false, false
passed: undefined
test failed: true, true, true, true, true
|
write: async (key) => {
if (!window.openDatabase) {
throw new Error("gported");
}
let database = window.openDatabase("sqlite_supercookie", "", "supercookie", 1024 * 1024);
let tx = new Promise((resolve) => database.transaction(tx => {
tx.executeSql(
`CREATE TABLE IF NOT EXISTS cache(
id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL,
value TEXT NOT NULL,
UNIQUE (name)
)`,
[], (tx, rs) => {}, (tx, err) => {});
tx.executeSql(
`INSERT OR REPLACE INTO cache(name, value)
VALUES(?, ?)`,
["secret", key], (tx, rs) => {}, (tx, rs) => {});
}));
}
read: async () => {
let database = window.openDatabase("sqlite_supercookie", "", "supercookie", 1024 * 1024);
let result = await new Promise((resolve, reject) => database.transaction(tx => {
tx.executeSql(
"SELECT value FROM cache WHERE name=?",
["secret"],
(tx, rs) => resolve(rs),
(tx, err) => reject(err));
}));
return result.rows.item(0).value;
}
result, same first party: Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated
result, different first party: Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated
unsupported: false, false, false, false, false
passed: undefined
test failed: true, true, true, true, true
|
write: async (key) => {
if (!window.openDatabase) {
throw new Error("gported");
}
let database = window.openDatabase("sqlite_supercookie", "", "supercookie", 1024 * 1024);
let tx = new Promise((resolve) => database.transaction(tx => {
tx.executeSql(
`CREATE TABLE IF NOT EXISTS cache(
id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL,
value TEXT NOT NULL,
UNIQUE (name)
)`,
[], (tx, rs) => {}, (tx, err) => {});
tx.executeSql(
`INSERT OR REPLACE INTO cache(name, value)
VALUES(?, ?)`,
["secret", key], (tx, rs) => {}, (tx, rs) => {});
}));
}
read: async () => {
let database = window.openDatabase("sqlite_supercookie", "", "supercookie", 1024 * 1024);
let result = await new Promise((resolve, reject) => database.transaction(tx => {
tx.executeSql(
"SELECT value FROM cache WHERE name=?",
["secret"],
(tx, rs) => resolve(rs),
(tx, err) => reject(err));
}));
return result.rows.item(0).value;
}
result, same first party: Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated
result, different first party: Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated
unsupported: false, false, false, false, false
passed: undefined
test failed: true, true, true, true, true
|
write: async (key) => {
if (!window.openDatabase) {
throw new Error("gported");
}
let database = window.openDatabase("sqlite_supercookie", "", "supercookie", 1024 * 1024);
let tx = new Promise((resolve) => database.transaction(tx => {
tx.executeSql(
`CREATE TABLE IF NOT EXISTS cache(
id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL,
value TEXT NOT NULL,
UNIQUE (name)
)`,
[], (tx, rs) => {}, (tx, err) => {});
tx.executeSql(
`INSERT OR REPLACE INTO cache(name, value)
VALUES(?, ?)`,
["secret", key], (tx, rs) => {}, (tx, rs) => {});
}));
}
read: async () => {
let database = window.openDatabase("sqlite_supercookie", "", "supercookie", 1024 * 1024);
let result = await new Promise((resolve, reject) => database.transaction(tx => {
tx.executeSql(
"SELECT value FROM cache WHERE name=?",
["secret"],
(tx, rs) => resolve(rs),
(tx, err) => reject(err));
}));
return result.rows.item(0).value;
}
result, same first party: Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated
result, different first party: Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated
unsupported: false, false, false, false, false
passed: undefined
test failed: true, true, true, true, true
|
write: async (key) => {
if (!window.openDatabase) {
throw new Error("gported");
}
let database = window.openDatabase("sqlite_supercookie", "", "supercookie", 1024 * 1024);
let tx = new Promise((resolve) => database.transaction(tx => {
tx.executeSql(
`CREATE TABLE IF NOT EXISTS cache(
id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL,
value TEXT NOT NULL,
UNIQUE (name)
)`,
[], (tx, rs) => {}, (tx, err) => {});
tx.executeSql(
`INSERT OR REPLACE INTO cache(name, value)
VALUES(?, ?)`,
["secret", key], (tx, rs) => {}, (tx, rs) => {});
}));
}
read: async () => {
let database = window.openDatabase("sqlite_supercookie", "", "supercookie", 1024 * 1024);
let result = await new Promise((resolve, reject) => database.transaction(tx => {
tx.executeSql(
"SELECT value FROM cache WHERE name=?",
["secret"],
(tx, rs) => resolve(rs),
(tx, err) => reject(err));
}));
return result.rows.item(0).value;
}
result, same first party: Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated
result, different first party: Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated
unsupported: false, false, false, false, false
passed: undefined
test failed: true, true, true, true, true
|
write: async (key) => {
if (!window.openDatabase) {
throw new Error("gported");
}
let database = window.openDatabase("sqlite_supercookie", "", "supercookie", 1024 * 1024);
let tx = new Promise((resolve) => database.transaction(tx => {
tx.executeSql(
`CREATE TABLE IF NOT EXISTS cache(
id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL,
value TEXT NOT NULL,
UNIQUE (name)
)`,
[], (tx, rs) => {}, (tx, err) => {});
tx.executeSql(
`INSERT OR REPLACE INTO cache(name, value)
VALUES(?, ?)`,
["secret", key], (tx, rs) => {}, (tx, rs) => {});
}));
}
read: async () => {
let database = window.openDatabase("sqlite_supercookie", "", "supercookie", 1024 * 1024);
let result = await new Promise((resolve, reject) => database.transaction(tx => {
tx.executeSql(
"SELECT value FROM cache WHERE name=?",
["secret"],
(tx, rs) => resolve(rs),
(tx, err) => reject(err));
}));
return result.rows.item(0).value;
}
result, same first party: Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated
result, different first party: Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated
unsupported: false, false, false, false
passed: undefined
test failed: true, true, true, true
|
write: async (key) => {
if (!window.openDatabase) {
throw new Error("gported");
}
let database = window.openDatabase("sqlite_supercookie", "", "supercookie", 1024 * 1024);
let tx = new Promise((resolve) => database.transaction(tx => {
tx.executeSql(
`CREATE TABLE IF NOT EXISTS cache(
id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL,
value TEXT NOT NULL,
UNIQUE (name)
)`,
[], (tx, rs) => {}, (tx, err) => {});
tx.executeSql(
`INSERT OR REPLACE INTO cache(name, value)
VALUES(?, ?)`,
["secret", key], (tx, rs) => {}, (tx, rs) => {});
}));
}
read: async () => {
let database = window.openDatabase("sqlite_supercookie", "", "supercookie", 1024 * 1024);
let result = await new Promise((resolve, reject) => database.transaction(tx => {
tx.executeSql(
"SELECT value FROM cache WHERE name=?",
["secret"],
(tx, rs) => resolve(rs),
(tx, err) => reject(err));
}));
return result.rows.item(0).value;
}
result, same first party: Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated
result, different first party: Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated
unsupported: false, false, false, false, false
passed: undefined
test failed: true, true, true, true, true
|
write: async (key) => {
if (!window.openDatabase) {
throw new Error("gported");
}
let database = window.openDatabase("sqlite_supercookie", "", "supercookie", 1024 * 1024);
let tx = new Promise((resolve) => database.transaction(tx => {
tx.executeSql(
`CREATE TABLE IF NOT EXISTS cache(
id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
name TEXT NOT NULL,
value TEXT NOT NULL,
UNIQUE (name)
)`,
[], (tx, rs) => {}, (tx, err) => {});
tx.executeSql(
`INSERT OR REPLACE INTO cache(name, value)
VALUES(?, ?)`,
["secret", key], (tx, rs) => {}, (tx, rs) => {});
}));
}
read: async () => {
let database = window.openDatabase("sqlite_supercookie", "", "supercookie", 1024 * 1024);
let result = await new Promise((resolve, reject) => database.transaction(tx => {
tx.executeSql(
"SELECT value FROM cache WHERE name=?",
["secret"],
(tx, rs) => resolve(rs),
(tx, err) => reject(err));
}));
return result.rows.item(0).value;
}
result, same first party: Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated
result, different first party: Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated, Error: Web SQL is deprecated
unsupported: false, false, false, false, false
passed: undefined
test failed: true, true, true, true, true
|
XMLHttpRequest cacheSimilar to the newer Fetch API, any resource received may be cached by the browser. The cache is potentially vulnerable to cross-site tracking attack. |
write: async (key) => {
const req = new XMLHttpRequest();
const loadPromise = new Promise(resolve => req.addEventListener("load", resolve));
req.open("GET", testURI("resource", "xhr", key));
req.send();
await loadPromise;
return key;
}
read: async (key) => {
const req = new XMLHttpRequest();
const loadPromise = new Promise(resolve => req.addEventListener("load", resolve));
req.open("GET", testURI("resource", "xhr", key));
req.send();
await loadPromise;
let countResponse = await fetch(testURI("ctr", "xhr", key),
{cache: "reload"});
return (await countResponse.text()).trim();
}
result, same first party: 1, 1, 1, 1, 1
result, different first party: 2, 2, 2, 2, 2
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
const req = new XMLHttpRequest();
const loadPromise = new Promise(resolve => req.addEventListener("load", resolve));
req.open("GET", testURI("resource", "xhr", key));
req.send();
await loadPromise;
return key;
}
read: async (key) => {
const req = new XMLHttpRequest();
const loadPromise = new Promise(resolve => req.addEventListener("load", resolve));
req.open("GET", testURI("resource", "xhr", key));
req.send();
await loadPromise;
let countResponse = await fetch(testURI("ctr", "xhr", key),
{cache: "reload"});
return (await countResponse.text()).trim();
}
result, same first party: 1, 1, 1, 1, 1
result, different first party: 2, 2, 2, 2, 2
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
const req = new XMLHttpRequest();
const loadPromise = new Promise(resolve => req.addEventListener("load", resolve));
req.open("GET", testURI("resource", "xhr", key));
req.send();
await loadPromise;
return key;
}
read: async (key) => {
const req = new XMLHttpRequest();
const loadPromise = new Promise(resolve => req.addEventListener("load", resolve));
req.open("GET", testURI("resource", "xhr", key));
req.send();
await loadPromise;
let countResponse = await fetch(testURI("ctr", "xhr", key),
{cache: "reload"});
return (await countResponse.text()).trim();
}
result, same first party: 1, 1, 1, 1, 1
result, different first party: 2, 2, 2, 2, 2
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
const req = new XMLHttpRequest();
const loadPromise = new Promise(resolve => req.addEventListener("load", resolve));
req.open("GET", testURI("resource", "xhr", key));
req.send();
await loadPromise;
return key;
}
read: async (key) => {
const req = new XMLHttpRequest();
const loadPromise = new Promise(resolve => req.addEventListener("load", resolve));
req.open("GET", testURI("resource", "xhr", key));
req.send();
await loadPromise;
let countResponse = await fetch(testURI("ctr", "xhr", key),
{cache: "reload"});
return (await countResponse.text()).trim();
}
result, same first party: 1, 1, 1, 1, 1
result, different first party: 2, 2, 2, 2, 2
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
const req = new XMLHttpRequest();
const loadPromise = new Promise(resolve => req.addEventListener("load", resolve));
req.open("GET", testURI("resource", "xhr", key));
req.send();
await loadPromise;
return key;
}
read: async (key) => {
const req = new XMLHttpRequest();
const loadPromise = new Promise(resolve => req.addEventListener("load", resolve));
req.open("GET", testURI("resource", "xhr", key));
req.send();
await loadPromise;
let countResponse = await fetch(testURI("ctr", "xhr", key),
{cache: "reload"});
return (await countResponse.text()).trim();
}
result, same first party: 1, 1, 1, 1, 1
result, different first party: 2, 2, 2, 2, 2
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
const req = new XMLHttpRequest();
const loadPromise = new Promise(resolve => req.addEventListener("load", resolve));
req.open("GET", testURI("resource", "xhr", key));
req.send();
await loadPromise;
return key;
}
read: async (key) => {
const req = new XMLHttpRequest();
const loadPromise = new Promise(resolve => req.addEventListener("load", resolve));
req.open("GET", testURI("resource", "xhr", key));
req.send();
await loadPromise;
let countResponse = await fetch(testURI("ctr", "xhr", key),
{cache: "reload"});
return (await countResponse.text()).trim();
}
result, same first party: 1, 1, 1, 1, 1
result, different first party: 2, 2, 2, 2, 2
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
const req = new XMLHttpRequest();
const loadPromise = new Promise(resolve => req.addEventListener("load", resolve));
req.open("GET", testURI("resource", "xhr", key));
req.send();
await loadPromise;
return key;
}
read: async (key) => {
const req = new XMLHttpRequest();
const loadPromise = new Promise(resolve => req.addEventListener("load", resolve));
req.open("GET", testURI("resource", "xhr", key));
req.send();
await loadPromise;
let countResponse = await fetch(testURI("ctr", "xhr", key),
{cache: "reload"});
return (await countResponse.text()).trim();
}
result, same first party: 1, 1, 1, 1
result, different first party: 2, 2, 2, 2
unsupported: false, false, false, false
passed: true, true, true, true
test failed: false, false, false, false
|
write: async (key) => {
const req = new XMLHttpRequest();
const loadPromise = new Promise(resolve => req.addEventListener("load", resolve));
req.open("GET", testURI("resource", "xhr", key));
req.send();
await loadPromise;
return key;
}
read: async (key) => {
const req = new XMLHttpRequest();
const loadPromise = new Promise(resolve => req.addEventListener("load", resolve));
req.open("GET", testURI("resource", "xhr", key));
req.send();
await loadPromise;
let countResponse = await fetch(testURI("ctr", "xhr", key),
{cache: "reload"});
return (await countResponse.text()).trim();
}
result, same first party: 1, 1, 1, 1, 1
result, different first party: 2, 2, 2, 2, 2
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: async (key) => {
const req = new XMLHttpRequest();
const loadPromise = new Promise(resolve => req.addEventListener("load", resolve));
req.open("GET", testURI("resource", "xhr", key));
req.send();
await loadPromise;
return key;
}
read: async (key) => {
const req = new XMLHttpRequest();
const loadPromise = new Promise(resolve => req.addEventListener("load", resolve));
req.open("GET", testURI("resource", "xhr", key));
req.send();
await loadPromise;
let countResponse = await fetch(testURI("ctr", "xhr", key),
{cache: "reload"});
return (await countResponse.text()).trim();
}
result, same first party: 1, 1, 1, 1, 1
result, different first party: 2, 2, 2, 2, 2
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
|
Navigation tests
Which browsers prevent websites from sharing tracking data when you click on a link?
When you click a hyperlink to navigate your browser from one site to another, certain browser APIs allow the first site to communicate to the second site. These privacy vulnerabilities can be fixed by introducing new limits on how much data is transfered between sites.',
| |||||||||
document.referrerThe Referer [sic] request header is a mechanism used by browsers to let a website know where the user is visiting from. This header is inherently tracking users across websites. In recent times, browsers have switched to a policy of trimming a referrer to convey less tracking information, but Referer continues to convey cross-site tracking data by default. |
write: (secret) => { /* do nothing */ }
read: () => document.referrer
result, same first party: https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/
result, different first party: https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/
unsupported: false, false, false, false, false
passed: false, false, false, false, false
test failed: false, false, false, false, false
|
write: (secret) => { /* do nothing */ }
read: () => document.referrer
result, same first party: https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/
result, different first party: https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/
unsupported: false, false, false, false, false
passed: false, false, false, false, false
test failed: false, false, false, false, false
|
write: (secret) => { /* do nothing */ }
read: () => document.referrer
result, same first party: https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/
result, different first party: https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/
unsupported: false, false, false, false, false
passed: false, false, false, false, false
test failed: false, false, false, false, false
|
write: (secret) => { /* do nothing */ }
read: () => document.referrer
result, same first party: https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/
result, different first party: https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/
unsupported: false, false, false, false, false
passed: false, false, false, false, false
test failed: false, false, false, false, false
|
write: (secret) => { /* do nothing */ }
read: () => document.referrer
result, same first party: https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/
result, different first party: https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/
unsupported: false, false, false, false, false
passed: false, false, false, false, false
test failed: false, false, false, false, false
|
write: (secret) => { /* do nothing */ }
read: () => document.referrer
result, same first party: https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/
result, different first party: https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/
unsupported: false, false, false, false, false
passed: false, false, false, false, false
test failed: false, false, false, false, false
|
write: (secret) => { /* do nothing */ }
read: () => document.referrer
result, same first party: https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/
result, different first party: https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/
unsupported: false, false, false, false
passed: false, false, false, false
test failed: false, false, false, false
|
write: (secret) => { /* do nothing */ }
read: () => document.referrer
result, same first party: https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/
result, different first party: https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/
unsupported: false, false, false, false, false
passed: false, false, false, false, false
test failed: false, false, false, false, false
|
write: (secret) => { /* do nothing */ }
read: () => document.referrer
result, same first party: https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/
result, different first party: https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/, https://test-pages.privacytests2.org/
unsupported: false, false, false, false, false
passed: false, false, false, false, false
test failed: false, false, false, false, false
|
sessionStorageThe sessionStorage API is similar to the localStorage API, but it does not persist across tabs or across browser sessions. Nonetheless, it can be used to track users if they navigate from one website to another. This tracking can be thwarted by partitioning sessionStorage between websites. |
write: (secret) => sessionStorage.setItem("secret", secret)
read: () => sessionStorage.getItem("secret")
result, same first party: 0e9db74c-bb8c-46a6-9962-1875e75662ca, 9570ca4c-f28c-4009-ab0a-5c461889d186, e673400c-2825-45a7-a205-c2e8e61133d3, ab488a5a-aac4-428e-839d-42da19904af7, cb5bef9c-c1e0-48ff-9100-bdc60d8ffeb4
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => sessionStorage.setItem("secret", secret)
read: () => sessionStorage.getItem("secret")
result, same first party: 0d2d1067-e166-496b-a470-3eafc9296301, f15f5053-bea5-4f0d-a5b1-5c221a3b6e8a, 209aff25-119c-4f49-afe1-39a7d9dae4e2, ce84dfe4-5628-476f-990c-5a8858d0e162, ccf35cdd-8fc4-4a11-87d0-bb76e252cc3e
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => sessionStorage.setItem("secret", secret)
read: () => sessionStorage.getItem("secret")
result, same first party: 1e3f5991-37f7-416b-b616-1df5e5ba1268, 26fa378a-a811-4e5f-b0cc-aa60fb3fcf08, d95bb20e-44e3-4fc2-925e-337125ec7abd, 2c777d15-106c-483a-a10b-d91804c8ea57, 82ec9bed-3c49-4a85-b385-b8a775e44680
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => sessionStorage.setItem("secret", secret)
read: () => sessionStorage.getItem("secret")
result, same first party: e6379eae-2e83-454d-bd6d-99d760386c7c, 9af50243-fd0a-412f-b292-a7606907e010, 15d419e5-5b11-417f-a121-10ebbf0f0f08, c9c112c0-e9cf-461d-b00e-5e41592edd5a, 60d3b4ea-a615-471c-b54e-df4fa0b29e93
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => sessionStorage.setItem("secret", secret)
read: () => sessionStorage.getItem("secret")
result, same first party: 5c7cd729-86c0-45b5-99ef-b7699af99022, c0e2bc0f-7fd7-4e4c-94e6-41f01e02c5fe, 49b163aa-dd92-4ba2-9259-f5a735f197a0, 1392c610-dd35-4c17-a211-56413ac124d1, 606371cc-5885-4114-8a68-4f73bf21a6af
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => sessionStorage.setItem("secret", secret)
read: () => sessionStorage.getItem("secret")
result, same first party: 11994322-5a63-4844-bbe7-fa0566bdc20e, a3c48001-4ce6-46a9-b823-9b54d0942594, 093abcd5-bb4f-4bab-97bd-3e4c69bfa738, 33d0e48f-ca43-44de-bd20-8a86623d8b83, 30fe6302-7aff-494d-a6ef-1d354a603191
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => sessionStorage.setItem("secret", secret)
read: () => sessionStorage.getItem("secret")
result, same first party: 23216b20-c384-4f19-afaf-d3bd891ad25a, d74b0b8a-ad92-4bab-97e9-6d9b212e2b6b, dd1760fa-7f6c-44e9-b776-792d5842c9ee, fc0b3a06-3a6e-4a7c-826c-615119dd53c1
result, different first party: , , ,
unsupported: false, false, false, false
passed: true, true, true, true
test failed: false, false, false, false
|
write: (secret) => sessionStorage.setItem("secret", secret)
read: () => sessionStorage.getItem("secret")
result, same first party: 0158d88c-cfbd-450f-ace7-427ef920bec2, f31901d2-7cc9-4c67-84a0-7547f7c2e446, a13c33a4-d3e8-44ed-8593-d046184cd225, 86991a77-cc95-4779-aa00-a2190db86cf0, 5d8faff3-0729-429c-8784-957c4d9a4e0b
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => sessionStorage.setItem("secret", secret)
read: () => sessionStorage.getItem("secret")
result, same first party: b068c45e-5547-4f9a-bbb8-5c5c1af0aed0, c1a9a20c-5df5-44f3-bf96-cf7f3c08fb65, a18888c3-3c3f-473e-9107-7558a652b1a8, 7ce81469-874a-4f7b-af5b-8e240b569832, 56c791a1-a1a7-44ff-b941-b44f8db4c42c
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
window.nameThe window.name API allows websites to store data that will persist after the user has navigated the tab to a different website. This mechanism could be partitioned so that data is not allowed to persist between websites. |
write: (secret) => window.name = "name_" + secret
read: () => window.name
result, same first party: name_0e9db74c-bb8c-46a6-9962-1875e75662ca, name_9570ca4c-f28c-4009-ab0a-5c461889d186, name_e673400c-2825-45a7-a205-c2e8e61133d3, name_ab488a5a-aac4-428e-839d-42da19904af7, name_cb5bef9c-c1e0-48ff-9100-bdc60d8ffeb4
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => window.name = "name_" + secret
read: () => window.name
result, same first party: name_0d2d1067-e166-496b-a470-3eafc9296301, name_f15f5053-bea5-4f0d-a5b1-5c221a3b6e8a, name_209aff25-119c-4f49-afe1-39a7d9dae4e2, name_ce84dfe4-5628-476f-990c-5a8858d0e162, name_ccf35cdd-8fc4-4a11-87d0-bb76e252cc3e
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => window.name = "name_" + secret
read: () => window.name
result, same first party: name_1e3f5991-37f7-416b-b616-1df5e5ba1268, name_26fa378a-a811-4e5f-b0cc-aa60fb3fcf08, name_d95bb20e-44e3-4fc2-925e-337125ec7abd, name_2c777d15-106c-483a-a10b-d91804c8ea57, name_82ec9bed-3c49-4a85-b385-b8a775e44680
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => window.name = "name_" + secret
read: () => window.name
result, same first party: name_e6379eae-2e83-454d-bd6d-99d760386c7c, name_9af50243-fd0a-412f-b292-a7606907e010, name_15d419e5-5b11-417f-a121-10ebbf0f0f08, name_c9c112c0-e9cf-461d-b00e-5e41592edd5a, name_60d3b4ea-a615-471c-b54e-df4fa0b29e93
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => window.name = "name_" + secret
read: () => window.name
result, same first party: name_5c7cd729-86c0-45b5-99ef-b7699af99022, name_c0e2bc0f-7fd7-4e4c-94e6-41f01e02c5fe, name_49b163aa-dd92-4ba2-9259-f5a735f197a0, name_1392c610-dd35-4c17-a211-56413ac124d1, name_606371cc-5885-4114-8a68-4f73bf21a6af
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => window.name = "name_" + secret
read: () => window.name
result, same first party: name_11994322-5a63-4844-bbe7-fa0566bdc20e, name_a3c48001-4ce6-46a9-b823-9b54d0942594, name_093abcd5-bb4f-4bab-97bd-3e4c69bfa738, name_33d0e48f-ca43-44de-bd20-8a86623d8b83, name_30fe6302-7aff-494d-a6ef-1d354a603191
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => window.name = "name_" + secret
read: () => window.name
result, same first party: name_23216b20-c384-4f19-afaf-d3bd891ad25a, name_d74b0b8a-ad92-4bab-97e9-6d9b212e2b6b, name_dd1760fa-7f6c-44e9-b776-792d5842c9ee, name_fc0b3a06-3a6e-4a7c-826c-615119dd53c1
result, different first party: , , ,
unsupported: false, false, false, false
passed: true, true, true, true
test failed: false, false, false, false
|
write: (secret) => window.name = "name_" + secret
read: () => window.name
result, same first party: name_0158d88c-cfbd-450f-ace7-427ef920bec2, name_f31901d2-7cc9-4c67-84a0-7547f7c2e446, name_a13c33a4-d3e8-44ed-8593-d046184cd225, name_86991a77-cc95-4779-aa00-a2190db86cf0, name_5d8faff3-0729-429c-8784-957c4d9a4e0b
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
write: (secret) => window.name = "name_" + secret
read: () => window.name
result, same first party: name_b068c45e-5547-4f9a-bbb8-5c5c1af0aed0, name_c1a9a20c-5df5-44f3-bf96-cf7f3c08fb65, name_a18888c3-3c3f-473e-9107-7558a652b1a8, name_7ce81469-874a-4f7b-af5b-8e240b569832, name_56c791a1-a1a7-44ff-b941-b44f8db4c42c
result, different first party: , , , ,
unsupported: false, false, false, false, false
passed: true, true, true, true, true
test failed: false, false, false, false, false
|
|
HTTPS tests
Which browsers use encrypted network connections whenever possible?
HTTPS is the protocol that web browsers use to connect securely to websites. When HTTPS is being used, the connection is encrypted so that third parties on the network cannot read content being sent between the server and your browser. In the past, insecure connections were the default and websites would need to actively request that a browser use HTTPS. Now the status quo is shifting, and browser makers are moving toward a world where HTTPS is the default protocol.`
| |||||||||
Insecure websiteChecks to see if the browser stops loading an insecure website and warns the user before giving them the option to continue. Known as HTTPS-Only Mode in some browsers. |
passed: false,false,false,false,false
result: Insecure website loaded,Insecure website loaded,Insecure website loaded,Insecure website loaded,Insecure website loaded
|
passed: false,false,false,false,false
result: Insecure website loaded,Insecure website loaded,Insecure website loaded,Insecure website loaded,Insecure website loaded
|
passed: false,false,false,false,false
result: Insecure website loaded,Insecure website loaded,Insecure website loaded,Insecure website loaded,Insecure website loaded
|
passed: false,false,false,false,false
result: Insecure website loaded,Insecure website loaded,Insecure website loaded,Insecure website loaded,Insecure website loaded
|
passed: false,false,false,false,false
result: Insecure website loaded,Insecure website loaded,Insecure website loaded,Insecure website loaded,Insecure website loaded
|
passed: false,false,false,false,false
result: Insecure website loaded,Insecure website loaded,Insecure website loaded,Insecure website loaded,Insecure website loaded
|
passed: false,false,false,false
result: Insecure website loaded,Insecure website loaded,Insecure website loaded,Insecure website loaded
|
passed: false,false,false,false,false
result: Insecure website loaded,Insecure website loaded,Insecure website loaded,Insecure website loaded,Insecure website loaded
|
passed: false,false,false,false,false
result: Insecure website loaded,Insecure website loaded,Insecure website loaded,Insecure website loaded,Insecure website loaded
|
Upgradable addressChecks to see if an insecure address entered into the browser's address bar is upgraded to HTTPS whenever possible. |
upgraded: false,false,false,false,false
passed: false,false,false,false,false
|
upgraded: false,false,false,false,false
passed: false,false,false,false,false
|
upgraded: false,false,false,false,false
passed: false,false,false,false,false
|
upgraded: false,false,false,false,false
passed: false,false,false,false,false
|
upgraded: false,false,false,false,false
passed: false,false,false,false,false
|
upgraded: false,false,false,false,false
passed: false,false,false,false,false
|
upgraded: false,false,false,false
passed: false,false,false,false
|
upgraded: false,false,false,false,false
passed: false,false,false,false,false
|
upgraded: false,false,false,false,false
passed: false,false,false,false,false
|
Upgradable hyperlinkChecks to see if the user has clicked on a hyperlink to an insecure address, if the browser upgrades that address to HTTPS whenever possible. |
upgraded: false,false,false,false,false
passed: false,false,false,false,false
|
upgraded: false,false,false,false,false
passed: false,false,false,false,false
|
upgraded: false,false,false,false,false
passed: false,false,false,false,false
|
upgraded: false,false,false,false,false
passed: false,false,false,false,false
|
upgraded: false,false,false,false,false
passed: false,false,false,false,false
|
upgraded: false,false,false,false,false
passed: false,false,false,false,false
|
upgraded: false,false,false,false
passed: false,false,false,false
|
upgraded: false,false,false,false,false
passed: false,false,false,false,false
|
upgraded: false,false,false,false,false
passed: false,false,false,false,false
|
Upgradable imageChecks to see if the browser attempts to upgrade an insecure address for an image to HTTPS whenever possible. |
passed: false,false,false,false,false
result: loaded insecurely,loaded insecurely,loaded insecurely,loaded insecurely,loaded insecurely
|
passed: false,false,false,false,false
result: loaded insecurely,loaded insecurely,loaded insecurely,loaded insecurely,loaded insecurely
|
passed: false,false,false,false,false
result: loaded insecurely,loaded insecurely,loaded insecurely,loaded insecurely,loaded insecurely
|
passed: false,false,false,false,false
result: loaded insecurely,loaded insecurely,loaded insecurely,loaded insecurely,loaded insecurely
|
passed: false,false,false,false,false
result: loaded insecurely,loaded insecurely,loaded insecurely,loaded insecurely,loaded insecurely
|
passed: false,false,false,false,false
result: loaded insecurely,loaded insecurely,loaded insecurely,loaded insecurely,loaded insecurely
|
passed: false,false,false,false
result: loaded insecurely,loaded insecurely,loaded insecurely,loaded insecurely
|
passed: false,false,false,false,false
result: loaded insecurely,loaded insecurely,loaded insecurely,loaded insecurely,loaded insecurely
|
passed: false,false,false,false,false
result: loaded insecurely,loaded insecurely,loaded insecurely,loaded insecurely,loaded insecurely
|
Upgradable scriptChecks to see if the browser attempts to upgrade an insecure address for an script to HTTPS whenever possible. |
passed: true,true,true,true,true
result: blocked,blocked,blocked,blocked,blocked
|
passed: true,true,true,true,true
result: blocked,blocked,blocked,blocked,blocked
|
passed: true,true,true,true,true
result: blocked,blocked,blocked,blocked,blocked
|
passed: true,true,true,true,true
result: blocked,blocked,blocked,blocked,blocked
|
passed: true,true,true,true,true
result: blocked,blocked,blocked,blocked,blocked
|
passed: true,true,true,true,true
result: blocked,blocked,blocked,blocked,blocked
|
passed: true,true,true,true
result: blocked,blocked,blocked,blocked
|
passed: true,true,true,true,true
result: blocked,blocked,blocked,blocked,blocked
|
passed: true,true,true,true,true
result: blocked,blocked,blocked,blocked,blocked
|
|
Misc tests
Which browsers provide additional assorted privacy protections?
This category includes tests for the presence of miscellaneous privacy features
| |||||||||
GPC enabled first-partyThe Global Privacy Control is an HTTP header that can be sent by a browser to instruct a website not to sell the user's personal data to third parties. This test checks to see if the GPC header is sent by default to the top-level website. |
header value: undefined
passed: false,false,false,false,false
|
header value: undefined
passed: false,false,false,false,false
|
header value: undefined
passed: false,false,false,false,false
|
header value: undefined
passed: false,false,false,false,false
|
header value: undefined
passed: false,false,false,false,false
|
header value: undefined
passed: false,false,false,false,false
|
header value: undefined
passed: false,false,false,false
|
header value: undefined
passed: false,false,false,false,false
|
header value: undefined
passed: false,false,false,false,false
|
GPC enabled third-partyThe Global Privacy Control is an HTTP header that can be sent by a browser to instruct a visited website not to sell the user's personal data to other parties. This test checks to see if the GPC header is sent to third-party elements on the web page. |
passed: false,false,false,false,false
|
passed: false,false,false,false,false
|
passed: false,false,false,false,false
|
passed: false,false,false,false,false
|
passed: false,false,false,false,false
|
passed: false,false,false,false,false
|
passed: false,false,false,false
|
passed: false,false,false,false,false
|
passed: false,false,false,false,false
|
IP address leakIP addresses can be used to uniquely identify a large percentage of users. A proxy, VPN, or Tor can mask a user's IP address. |
passed: false,false,false,false,false
|
passed: false,false,false,false,false
|
passed: false,false,false,false,false
|
passed: false,false,false,false,false
|
passed: false,false,false,false,false
|
passed: false,false,false,false,false
|
passed: false,false,false,false
|
passed: false,false,false,false,false
|
passed: false,false,false,false,false
|
Stream isolationBrowsers that use Tor can use a different Tor circuit per top-level website. | –
write: () => {
if (!usingTor) {
throw new Error("Unsupported");
}
}
read: async () => {
if (usingTor) {
return ipAddress;
} else {
throw new Error("Unsupported");
}
}
unsupported: true,true,true,true,true
readSameFirstParty: Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported
readDifferentFirstParty: Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported
testFailed: false,false,false,false,false
| –
write: () => {
if (!usingTor) {
throw new Error("Unsupported");
}
}
read: async () => {
if (usingTor) {
return ipAddress;
} else {
throw new Error("Unsupported");
}
}
unsupported: true,true,true,true,true
readSameFirstParty: Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported
readDifferentFirstParty: Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported
testFailed: false,false,false,false,false
| –
write: () => {
if (!usingTor) {
throw new Error("Unsupported");
}
}
read: async () => {
if (usingTor) {
return ipAddress;
} else {
throw new Error("Unsupported");
}
}
unsupported: true,true,true,true,true
readSameFirstParty: Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported
readDifferentFirstParty: Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported
testFailed: false,false,false,false,false
| –
write: () => {
if (!usingTor) {
throw new Error("Unsupported");
}
}
read: async () => {
if (usingTor) {
return ipAddress;
} else {
throw new Error("Unsupported");
}
}
unsupported: true,true,true,true,true
readSameFirstParty: Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported
readDifferentFirstParty: Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported
testFailed: false,false,false,false,false
| –
write: () => {
if (!usingTor) {
throw new Error("Unsupported");
}
}
read: async () => {
if (usingTor) {
return ipAddress;
} else {
throw new Error("Unsupported");
}
}
unsupported: true,true,true,true,true
readSameFirstParty: Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported
readDifferentFirstParty: Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported
testFailed: false,false,false,false,false
| –
write: () => {
if (!usingTor) {
throw new Error("Unsupported");
}
}
read: async () => {
if (usingTor) {
return ipAddress;
} else {
throw new Error("Unsupported");
}
}
unsupported: true,true,true,true,true
readSameFirstParty: Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported
readDifferentFirstParty: Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported
testFailed: false,false,false,false,false
| –
write: () => {
if (!usingTor) {
throw new Error("Unsupported");
}
}
read: async () => {
if (usingTor) {
return ipAddress;
} else {
throw new Error("Unsupported");
}
}
unsupported: true,true,true,true
readSameFirstParty: Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported
readDifferentFirstParty: Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported
testFailed: false,false,false,false
| –
write: () => {
if (!usingTor) {
throw new Error("Unsupported");
}
}
read: async () => {
if (usingTor) {
return ipAddress;
} else {
throw new Error("Unsupported");
}
}
unsupported: true,true,true,true,true
readSameFirstParty: Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported
readDifferentFirstParty: Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported
testFailed: false,false,false,false,false
| –
write: () => {
if (!usingTor) {
throw new Error("Unsupported");
}
}
read: async () => {
if (usingTor) {
return ipAddress;
} else {
throw new Error("Unsupported");
}
}
unsupported: true,true,true,true,true
readSameFirstParty: Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported
readDifferentFirstParty: Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported,Error: Unsupported
testFailed: false,false,false,false,false
|
Tor enabledThe Tor network sends the browser's web requests through a series of relays to hide a user's IP address, thereby helping to mask their identity and location. This test checks to see if the Tor network is being used by default. |
IsTorExit: false,false,false,false,false
passed: false,false,false,false,false
|
IsTorExit: false,false,false,false,false
passed: false,false,false,false,false
|
IsTorExit: false,false,false,false,false
passed: false,false,false,false,false
|
IsTorExit: false,false,false,false,false
passed: false,false,false,false,false
|
IsTorExit: false,false,false,false,false
passed: false,false,false,false,false
|
IsTorExit: false,false,false,false,false
passed: false,false,false,false,false
|
IsTorExit: false,false,false,false
passed: false,false,false,false
|
IsTorExit: false,false,false,false,false
passed: false,false,false,false,false
|
IsTorExit: false,false,false,false,false
passed: false,false,false,false,false
|
|
Fingerprinting resistance tests
Which browsers hide what's unique about your device?
Fingerprinting is a technique trackers use to uniquely identify you as you browse the web. A fingerprinting script will measure several characteristics of your browser and, combining this data, will build a fingerprint that may uniquely identify you among web users. Browsers can introduce countermeasures, such as minimizing the distinguishing information disclosed by certain web APIs so your browser is harder to pick out from the crowd (so-called 'fingerprinting resistance').`,
| |||||||||
Media query screen heightHeight of the user's screen in pixels. |
expression: undefined
desired expression: undefined
actual value: 667,667,667,667,667
desired value: undefined
passed: false,false,false,false,false
|
expression: undefined
desired expression: undefined
actual value: 667,667,667,667,667
desired value: undefined
passed: false,false,false,false,false
|
expression: undefined
desired expression: undefined
actual value: 667,667,667,667,667
desired value: undefined
passed: false,false,false,false,false
|
expression: undefined
desired expression: undefined
actual value: 667,667,667,667,667
desired value: undefined
passed: false,false,false,false,false
|
expression: undefined
desired expression: undefined
actual value: 667,667,667,667,667
desired value: undefined
passed: false,false,false,false,false
|
expression: undefined
desired expression: undefined
actual value: 667,667,667,667,667
desired value: undefined
passed: false,false,false,false,false
|
expression: undefined
desired expression: undefined
actual value: 667,667,667,667
desired value: undefined
passed: false,false,false,false
|
expression: undefined
desired expression: undefined
actual value: 667,667,667,667,667
desired value: undefined
passed: false,false,false,false,false
|
expression: undefined
desired expression: undefined
actual value: 667,667,667,667,667
desired value: undefined
passed: false,false,false,false,false
|
Media query screen widthWidth of the user's screen in pixels. |
expression: undefined
desired expression: undefined
actual value: 375,375,375,375,375
desired value: undefined
passed: false,false,false,false,false
|
expression: undefined
desired expression: undefined
actual value: 375,375,375,375,375
desired value: undefined
passed: false,false,false,false,false
|
expression: undefined
desired expression: undefined
actual value: 375,375,375,375,375
desired value: undefined
passed: false,false,false,false,false
|
expression: undefined
desired expression: undefined
actual value: 375,375,375,375,375
desired value: undefined
passed: false,false,false,false,false
|
expression: undefined
desired expression: undefined
actual value: 375,375,375,375,375
desired value: undefined
passed: false,false,false,false,false
|
expression: undefined
desired expression: undefined
actual value: 375,375,375,375,375
desired value: undefined
passed: false,false,false,false,false
|
expression: undefined
desired expression: undefined
actual value: 375,375,375,375
desired value: undefined
passed: false,false,false,false
|
expression: undefined
desired expression: undefined
actual value: 375,375,375,375,375
desired value: undefined
passed: false,false,false,false,false
|
expression: undefined
desired expression: undefined
actual value: 375,375,375,375,375
desired value: undefined
passed: false,false,false,false,false
|
outerHeightHeight of the browser window in pixels, including browser chrome. |
expression: outerHeight
desired expression: undefined
actual value: 553,553,553,553,553
desired value: undefined
passed: false,false,false,false,false
|
expression: outerHeight
desired expression: undefined
actual value: 667,667,667,667,667
desired value: undefined
passed: false,false,false,false,false
|
expression: outerHeight
desired expression: undefined
actual value: 546,546,546,546,546
desired value: undefined
passed: false,false,false,false,false
|
expression: outerHeight
desired expression: undefined
actual value: 556,556,556,556,556
desired value: undefined
passed: false,false,false,false,false
|
expression: outerHeight
desired expression: undefined
actual value: 549,549,549,549,549
desired value: undefined
passed: false,false,false,false,false
|
expression: outerHeight
desired expression: undefined
actual value: 547,547,547,547,547
desired value: undefined
passed: false,false,false,false,false
|
expression: outerHeight
desired expression: undefined
actual value: 555,555,555,555
desired value: undefined
passed: false,false,false,false
|
expression: outerHeight
desired expression: undefined
actual value: 667,667,667,667,667
desired value: undefined
passed: false,false,false,false,false
|
expression: outerHeight
desired expression: undefined
actual value: 667,667,667,667,667
desired value: undefined
passed: false,false,false,false,false
|
screen.heightHeight of the user's screen, in pixels. |
expression: screen.height
desired expression: undefined
actual value: 667,667,667,667,667
desired value: undefined
passed: false,false,false,false,false
|
expression: screen.height
desired expression: undefined
actual value: 667,667,667,667,667
desired value: undefined
passed: false,false,false,false,false
|
expression: screen.height
desired expression: undefined
actual value: 667,667,667,667,667
desired value: undefined
passed: false,false,false,false,false
|
expression: screen.height
desired expression: undefined
actual value: 667,667,667,667,667
desired value: undefined
passed: false,false,false,false,false
|
expression: screen.height
desired expression: undefined
actual value: 667,667,667,667,667
desired value: undefined
passed: false,false,false,false,false
|
expression: screen.height
desired expression: undefined
actual value: 667,667,667,667,667
desired value: undefined
passed: false,false,false,false,false
|
expression: screen.height
desired expression: undefined
actual value: 667,667,667,667
desired value: undefined
passed: false,false,false,false
|
expression: screen.height
desired expression: undefined
actual value: 667,667,667,667,667
desired value: undefined
passed: false,false,false,false,false
|
expression: screen.height
desired expression: undefined
actual value: 667,667,667,667,667
desired value: undefined
passed: false,false,false,false,false
|
screen.widthWidth of the user's screen, in pixels. |
expression: screen.width
desired expression: undefined
actual value: 375,375,375,375,375
desired value: undefined
passed: false,false,false,false,false
|
expression: screen.width
desired expression: undefined
actual value: 375,375,375,375,375
desired value: undefined
passed: false,false,false,false,false
|
expression: screen.width
desired expression: undefined
actual value: 375,375,375,375,375
desired value: undefined
passed: false,false,false,false,false
|
expression: screen.width
desired expression: undefined
actual value: 375,375,375,375,375
desired value: undefined
passed: false,false,false,false,false
|
expression: screen.width
desired expression: undefined
actual value: 375,375,375,375,375
desired value: undefined
passed: false,false,false,false,false
|
expression: screen.width
desired expression: undefined
actual value: 375,375,375,375,375
desired value: undefined
passed: false,false,false,false,false
|
expression: screen.width
desired expression: undefined
actual value: 375,375,375,375
desired value: undefined
passed: false,false,false,false
|
expression: screen.width
desired expression: undefined
actual value: 375,375,375,375,375
desired value: undefined
passed: false,false,false,false,false
|
expression: screen.width
desired expression: undefined
actual value: 375,375,375,375,375
desired value: undefined
passed: false,false,false,false,false
|
screenXPosition, in pixels, of the left edge of the browser window on screen. |
expression: screenX
desired expression: undefined
actual value: 0,0,0,0,0
desired value: undefined
passed: true,true,true,true,true
|
expression: screenX
desired expression: undefined
actual value: 0,0,0,0,0
desired value: undefined
passed: true,true,true,true,true
|
expression: screenX
desired expression: undefined
actual value: 0,0,0,0,0
desired value: undefined
passed: true,true,true,true,true
|
expression: screenX
desired expression: undefined
actual value: 0,0,0,0,0
desired value: undefined
passed: true,true,true,true,true
|
expression: screenX
desired expression: undefined
actual value: 0,0,0,0,0
desired value: undefined
passed: true,true,true,true,true
|
expression: screenX
desired expression: undefined
actual value: 0,0,0,0,0
desired value: undefined
passed: true,true,true,true,true
|
expression: screenX
desired expression: undefined
actual value: 0,0,0,0
desired value: undefined
passed: true,true,true,true
|
expression: screenX
desired expression: undefined
actual value: 0,0,0,0,0
desired value: undefined
passed: true,true,true,true,true
|
expression: screenX
desired expression: undefined
actual value: 0,0,0,0,0
desired value: undefined
passed: true,true,true,true,true
|
screenYPosition, in pixels, of the top edge of the browser window on screen. |
expression: screenY
desired expression: undefined
actual value: 0,0,0,0,0
desired value: undefined
passed: true,true,true,true,true
|
expression: screenY
desired expression: undefined
actual value: 0,0,0,0,0
desired value: undefined
passed: true,true,true,true,true
|
expression: screenY
desired expression: undefined
actual value: 0,0,0,0,0
desired value: undefined
passed: true,true,true,true,true
|
expression: screenY
desired expression: undefined
actual value: 0,0,0,0,0
desired value: undefined
passed: true,true,true,true,true
|
expression: screenY
desired expression: undefined
actual value: 0,0,0,0,0
desired value: undefined
passed: true,true,true,true,true
|
expression: screenY
desired expression: undefined
actual value: 0,0,0,0,0
desired value: undefined
passed: true,true,true,true,true
|
expression: screenY
desired expression: undefined
actual value: 0,0,0,0
desired value: undefined
passed: true,true,true,true
|
expression: screenY
desired expression: undefined
actual value: 0,0,0,0,0
desired value: undefined
passed: true,true,true,true,true
|
expression: screenY
desired expression: undefined
actual value: 0,0,0,0,0
desired value: undefined
passed: true,true,true,true,true
|
|
Tracking query parameter tests
Which browsers remove URL parameters that can track you?
When you browse from one web page to another, tracking companies will frequently attach a 'tracking query parameter' to the address of the second web page. That query parameter may contain a unique identifier that tracks you individually as you browse the web. And these query parameters are frequently synchronized with cookies, making them a powerful tracking vector. Web browsers can protect you from known tracking query parameters by stripping them from web addresses before your browser sends them. (The set of tracking query parameters tested here was largely borrowed from Brave.)`
| |||||||||
__hsfpHubSpot tracking parameter |
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
__hsscHubSpot tracking parameter |
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
__hstcHubSpot tracking parameter |
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
__sDrip.com email address tracking parameter |
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
_hsencHubSpot tracking parameter |
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
_openstatYandex tracking parameter |
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
dclidDoubleClick Click ID (Google) |
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
fbclidFacebook Click Identifier |
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
passed: true,true,true,true,true
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
gclidGoogle Click Identifier |
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
passed: true,true,true,true,true
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
hsCtaTrackingHubSpot tracking parameter |
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
mc_eidMailchimp Email ID (email recipient's address) |
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
mkt_tokAdobe Marketo tracking parameter |
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
passed: true,true,true,true,true
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
ml_subscriberMailerLite email tracking |
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
ml_subscriber_hashMailerLite email tracking |
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
msclkidMicrosoft Click ID |
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
oly_anon_idOmeda marketing 'anonymous' customer id |
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
oly_enc_idOmeda marketing 'known' customer id |
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
rb_clickidUnknown high-entropy tracking parameter |
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
s_cidAdobe Site Catalyst tracking parameter |
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
vero_convVero tracking parameter |
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
vero_idVero tracking parameter |
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
wickedidWicked Reports e-commerce tracking |
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
yclidYandex Click ID |
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
value: 36276735674661964
passed: false,false,false,false,false
|
|
Tracker content blocking tests
Which browsers block important known tracking scripts and pixels?
When you visit a web page, it frequently has third-party embedded tracking content, such as scripts and tracking pixels. These embedded components spy on you. Some browsers and browser extensions maintain list of tracking companies and block their content from being loaded. This section checks to see if a browser blocks 20 of the largest trackers listed by https://whotracks.me.`
| |||||||||
AdobeTests whether the browser blocks the page from loading the tracker at https://munchkin.marketo.net/munchkin.js |
url: https://munchkin.marketo.net/munchkin.js
passed: true,true,true,true,true
|
url: https://munchkin.marketo.net/munchkin.js
passed: false,false,false,false,false
|
url: https://munchkin.marketo.net/munchkin.js
passed: true,true,true,true,true
|
url: https://munchkin.marketo.net/munchkin.js
passed: false,false,false,false,false
|
url: https://munchkin.marketo.net/munchkin.js
passed: false,false,false,false,false
|
url: https://munchkin.marketo.net/munchkin.js
passed: true,true,true,true,true
|
url: https://munchkin.marketo.net/munchkin.js
passed: false,false,false,false
|
url: https://munchkin.marketo.net/munchkin.js
passed: false,false,false,false,false
|
url: https://munchkin.marketo.net/munchkin.js
passed: false,false,false,false,false
|
Adobe Audience ManagerTests whether the browser blocks the page from loading the tracker at https://dpm.demdex.net/ibs |
url: https://dpm.demdex.net/ibs
passed: true,true,true,true,true
|
url: https://dpm.demdex.net/ibs
passed: false,false,false,false,false
|
url: https://dpm.demdex.net/ibs
passed: true,true,true,true,true
|
url: https://dpm.demdex.net/ibs
passed: false,false,false,false,false
|
url: https://dpm.demdex.net/ibs
passed: false,false,false,false,false
|
url: https://dpm.demdex.net/ibs
passed: true,true,true,true,true
|
url: https://dpm.demdex.net/ibs
passed: false,false,false,false
|
url: https://dpm.demdex.net/ibs
passed: false,false,false,false,false
|
url: https://dpm.demdex.net/ibs
passed: false,false,false,false,false
|
Amazon adsystemTests whether the browser blocks the page from loading the tracker at https://s.amazon-adsystem.com/dcm |
url: https://s.amazon-adsystem.com/dcm
passed: true,true,true,true,true
|
url: https://s.amazon-adsystem.com/dcm
passed: false,false,false,false,false
|
url: https://s.amazon-adsystem.com/dcm
passed: true,true,true,true,true
|
url: https://s.amazon-adsystem.com/dcm
passed: false,false,false,false,false
|
url: https://s.amazon-adsystem.com/dcm
passed: false,false,false,false,false
|
url: https://s.amazon-adsystem.com/dcm
passed: true,true,true,true,true
|
url: https://s.amazon-adsystem.com/dcm
passed: false,false,false,false
|
url: https://s.amazon-adsystem.com/dcm
passed: false,false,false,false,false
|
url: https://s.amazon-adsystem.com/dcm
passed: false,false,false,false,false
|
AppNexusTests whether the browser blocks the page from loading the tracker at https://ib.adnxs.com/px?id=178248&t=1 |
url: https://ib.adnxs.com/px?id=178248&t=1
passed: true,true,true,true,true
|
url: https://ib.adnxs.com/px?id=178248&t=1
passed: false,false,false,false,false
|
url: https://ib.adnxs.com/px?id=178248&t=1
passed: true,true,true,true,true
|
url: https://ib.adnxs.com/px?id=178248&t=1
passed: false,false,false,false,false
|
url: https://ib.adnxs.com/px?id=178248&t=1
passed: false,false,false,false,false
|
url: https://ib.adnxs.com/px?id=178248&t=1
passed: true,true,true,true,true
|
url: https://ib.adnxs.com/px?id=178248&t=1
passed: false,false,false,false
|
url: https://ib.adnxs.com/px?id=178248&t=1
passed: false,false,false,false,false
|
url: https://ib.adnxs.com/px?id=178248&t=1
passed: false,false,false,false,false
|
Bing AdsTests whether the browser blocks the page from loading the tracker at https://bat.bing.com/bat.js |
url: https://bat.bing.com/bat.js
passed: true,true,true,true,true
|
url: https://bat.bing.com/bat.js
passed: false,false,false,false,false
|
url: https://bat.bing.com/bat.js
passed: true,true,true,true,true
|
url: https://bat.bing.com/bat.js
passed: false,false,false,false,false
|
url: https://bat.bing.com/bat.js
passed: false,false,false,false,false
|
url: https://bat.bing.com/bat.js
passed: false,false,false,false,false
|
url: https://bat.bing.com/bat.js
passed: false,false,false,false
|
url: https://bat.bing.com/bat.js
passed: false,false,false,false,false
|
url: https://bat.bing.com/bat.js
passed: false,false,false,false,false
|
ChartbeatTests whether the browser blocks the page from loading the tracker at https://static.chartbeat.com/js/chartbeat.js |
url: https://static.chartbeat.com/js/chartbeat.js
passed: true,true,true,true,true
|
url: https://static.chartbeat.com/js/chartbeat.js
passed: false,false,false,false,false
|
url: https://static.chartbeat.com/js/chartbeat.js
passed: true,true,true,true,true
|
url: https://static.chartbeat.com/js/chartbeat.js
passed: false,false,false,false,false
|
url: https://static.chartbeat.com/js/chartbeat.js
passed: false,false,false,false,false
|
url: https://static.chartbeat.com/js/chartbeat.js
passed: true,true,true,true,true
|
url: https://static.chartbeat.com/js/chartbeat.js
passed: false,false,false,false
|
url: https://static.chartbeat.com/js/chartbeat.js
passed: false,false,false,false,false
|
url: https://static.chartbeat.com/js/chartbeat.js
passed: false,false,false,false,false
|
CriteoTests whether the browser blocks the page from loading the tracker at https://dis.criteo.com/dis/rtb/appnexus/cookiematch.aspx |
url: https://dis.criteo.com/dis/rtb/appnexus/cookiematch.aspx
passed: true,true,true,true,true
|
url: https://dis.criteo.com/dis/rtb/appnexus/cookiematch.aspx
passed: false,false,false,false,false
|
url: https://dis.criteo.com/dis/rtb/appnexus/cookiematch.aspx
passed: true,true,true,true,true
|
url: https://dis.criteo.com/dis/rtb/appnexus/cookiematch.aspx
passed: false,false,false,false,false
|
url: https://dis.criteo.com/dis/rtb/appnexus/cookiematch.aspx
passed: false,false,false,false,false
|
url: https://dis.criteo.com/dis/rtb/appnexus/cookiematch.aspx
passed: true,true,true,true,true
|
url: https://dis.criteo.com/dis/rtb/appnexus/cookiematch.aspx
passed: false,false,false,false
|
url: https://dis.criteo.com/dis/rtb/appnexus/cookiematch.aspx
passed: false,false,false,false,false
|
url: https://dis.criteo.com/dis/rtb/appnexus/cookiematch.aspx
passed: false,false,false,false,false
|
DoubleClick (Google)Tests whether the browser blocks the page from loading the tracker at https://securepubads.g.doubleclick.net/static/glade.js |
url: https://securepubads.g.doubleclick.net/static/glade.js
passed: true,true,true,true,true
|
url: https://securepubads.g.doubleclick.net/static/glade.js
passed: false,false,false,false,false
|
url: https://securepubads.g.doubleclick.net/static/glade.js
passed: true,true,true,true,true
|
url: https://securepubads.g.doubleclick.net/static/glade.js
passed: false,false,false,false,false
|
url: https://securepubads.g.doubleclick.net/static/glade.js
passed: false,false,false,false,false
|
url: https://securepubads.g.doubleclick.net/static/glade.js
passed: true,true,true,true,true
|
url: https://securepubads.g.doubleclick.net/static/glade.js
passed: false,false,false,false
|
url: https://securepubads.g.doubleclick.net/static/glade.js
passed: false,false,false,false,false
|
url: https://securepubads.g.doubleclick.net/static/glade.js
passed: false,false,false,false,false
|
Facebook trackingTests whether the browser blocks the page from loading the tracker at https://connect.facebook.net/en_US/fbevents.js |
url: https://connect.facebook.net/en_US/fbevents.js
passed: true,true,true,true,true
|
url: https://connect.facebook.net/en_US/fbevents.js
passed: false,false,false,false,false
|
url: https://connect.facebook.net/en_US/fbevents.js
passed: true,true,true,true,true
|
url: https://connect.facebook.net/en_US/fbevents.js
passed: false,false,false,false,false
|
url: https://connect.facebook.net/en_US/fbevents.js
passed: false,false,false,false,false
|
url: https://connect.facebook.net/en_US/fbevents.js
passed: true,true,true,true,true
|
url: https://connect.facebook.net/en_US/fbevents.js
passed: false,false,false,false
|
url: https://connect.facebook.net/en_US/fbevents.js
passed: false,false,false,false,false
|
url: https://connect.facebook.net/en_US/fbevents.js
passed: false,false,false,false,false
|
Google (third-party ad pixel)Tests whether the browser blocks the page from loading the tracker at https://www.google.com/pagead/1p-user-list/ |
url: https://www.google.com/pagead/1p-user-list/
passed: true,true,true,true,true
|
url: https://www.google.com/pagead/1p-user-list/
passed: false,false,false,false,false
|
url: https://www.google.com/pagead/1p-user-list/
passed: true,true,true,true,true
|
url: https://www.google.com/pagead/1p-user-list/
passed: false,false,false,false,false
|
url: https://www.google.com/pagead/1p-user-list/
passed: false,false,false,false,false
|
url: https://www.google.com/pagead/1p-user-list/
passed: false,false,false,false,false
|
url: https://www.google.com/pagead/1p-user-list/
passed: false,false,false,false
|
url: https://www.google.com/pagead/1p-user-list/
passed: false,false,false,false,false
|
url: https://www.google.com/pagead/1p-user-list/
passed: false,false,false,false,false
|
Google AnalyticsTests whether the browser blocks the page from loading the tracker at https://google-analytics.com/urchin.js |
url: https://google-analytics.com/urchin.js
passed: true,true,true,true,true
|
url: https://google-analytics.com/urchin.js
passed: false,false,false,false,false
|
url: https://google-analytics.com/urchin.js
passed: true,true,true,true,true
|
url: https://google-analytics.com/urchin.js
passed: false,false,false,false,false
|
url: https://google-analytics.com/urchin.js
passed: false,false,false,false,false
|
url: https://google-analytics.com/urchin.js
passed: true,true,true,true,true
|
url: https://google-analytics.com/urchin.js
passed: false,false,false,false
|
url: https://google-analytics.com/urchin.js
passed: false,false,false,false,false
|
url: https://google-analytics.com/urchin.js
passed: false,false,false,false,false
|
Google Tag ManagerTests whether the browser blocks the page from loading the tracker at https://www.googletagmanager.com/gtag.js?id=GTM-NX4SMZL |
url: https://www.googletagmanager.com/gtag.js?id=GTM-NX4SMZL
passed: true,true,true,true,true
|
url: https://www.googletagmanager.com/gtag.js?id=GTM-NX4SMZL
passed: false,false,false,false,false
|
url: https://www.googletagmanager.com/gtag.js?id=GTM-NX4SMZL
passed: true,true,true,true,true
|
url: https://www.googletagmanager.com/gtag.js?id=GTM-NX4SMZL
passed: false,false,false,false,false
|
url: https://www.googletagmanager.com/gtag.js?id=GTM-NX4SMZL
passed: false,false,false,false,false
|
url: https://www.googletagmanager.com/gtag.js?id=GTM-NX4SMZL
passed: false,false,false,false,false
|
url: https://www.googletagmanager.com/gtag.js?id=GTM-NX4SMZL
passed: false,false,false,false
|
url: https://www.googletagmanager.com/gtag.js?id=GTM-NX4SMZL
passed: false,false,false,false,false
|
url: https://www.googletagmanager.com/gtag.js?id=GTM-NX4SMZL
passed: false,false,false,false,false
|
Index ExchangeTests whether the browser blocks the page from loading the tracker at https://dsum-sec.casalemedia.com/crum?cm_dsp_id=10&external_user_id=629685505537&C=1 |
url: https://dsum-sec.casalemedia.com/crum?cm_dsp_id=10&external_user_id=629685505537&C=1
passed: true,true,true,true,true
|
url: https://dsum-sec.casalemedia.com/crum?cm_dsp_id=10&external_user_id=629685505537&C=1
passed: false,false,false,false,false
|
url: https://dsum-sec.casalemedia.com/crum?cm_dsp_id=10&external_user_id=629685505537&C=1
passed: true,true,true,true,true
|
url: https://dsum-sec.casalemedia.com/crum?cm_dsp_id=10&external_user_id=629685505537&C=1
passed: false,false,false,false,false
|
url: https://dsum-sec.casalemedia.com/crum?cm_dsp_id=10&external_user_id=629685505537&C=1
passed: false,false,false,false,false
|
url: https://dsum-sec.casalemedia.com/crum?cm_dsp_id=10&external_user_id=629685505537&C=1
passed: true,true,true,true,true
|
url: https://dsum-sec.casalemedia.com/crum?cm_dsp_id=10&external_user_id=629685505537&C=1
passed: false,false,false,false
|
url: https://dsum-sec.casalemedia.com/crum?cm_dsp_id=10&external_user_id=629685505537&C=1
passed: false,false,false,false,false
|
url: https://dsum-sec.casalemedia.com/crum?cm_dsp_id=10&external_user_id=629685505537&C=1
passed: false,false,false,false,false
|
New RelicTests whether the browser blocks the page from loading the tracker at https://js-agent.newrelic.com/nr-1212.min.js |
url: https://js-agent.newrelic.com/nr-1212.min.js
passed: true,true,true,true,true
|
url: https://js-agent.newrelic.com/nr-1212.min.js
passed: false,false,false,false,false
|
url: https://js-agent.newrelic.com/nr-1212.min.js
passed: true,true,true,true,true
|
url: https://js-agent.newrelic.com/nr-1212.min.js
passed: false,false,false,false,false
|
url: https://js-agent.newrelic.com/nr-1212.min.js
passed: false,false,false,false,false
|
url: https://js-agent.newrelic.com/nr-1212.min.js
passed: true,true,true,true,true
|
url: https://js-agent.newrelic.com/nr-1212.min.js
passed: false,false,false,false
|
url: https://js-agent.newrelic.com/nr-1212.min.js
passed: false,false,false,false,false
|
url: https://js-agent.newrelic.com/nr-1212.min.js
passed: false,false,false,false,false
|
QuantcastTests whether the browser blocks the page from loading the tracker at https://pixel.quantserve.com/pixel |
url: https://pixel.quantserve.com/pixel
passed: true,true,true,true,true
|
url: https://pixel.quantserve.com/pixel
passed: false,false,false,false,false
|
url: https://pixel.quantserve.com/pixel
passed: true,true,true,true,true
|
url: https://pixel.quantserve.com/pixel
passed: false,false,false,false,false
|
url: https://pixel.quantserve.com/pixel
passed: false,false,false,false,false
|
url: https://pixel.quantserve.com/pixel
passed: true,true,true,true,true
|
url: https://pixel.quantserve.com/pixel
passed: false,false,false,false
|
url: https://pixel.quantserve.com/pixel
passed: false,false,false,false,false
|
url: https://pixel.quantserve.com/pixel
passed: false,false,false,false,false
|
Scorecard Research BeaconTests whether the browser blocks the page from loading the tracker at https://sb.scorecardresearch.com/internal-c2/default/cs.js |
url: https://sb.scorecardresearch.com/internal-c2/default/cs.js
passed: true,true,true,true,true
|
url: https://sb.scorecardresearch.com/internal-c2/default/cs.js
passed: false,false,false,false,false
|
url: https://sb.scorecardresearch.com/internal-c2/default/cs.js
passed: true,true,true,true,true
|
url: https://sb.scorecardresearch.com/internal-c2/default/cs.js
passed: false,false,false,false,false
|
url: https://sb.scorecardresearch.com/internal-c2/default/cs.js
passed: false,false,false,false,false
|
url: https://sb.scorecardresearch.com/internal-c2/default/cs.js
passed: true,true,true,true,true
|
url: https://sb.scorecardresearch.com/internal-c2/default/cs.js
passed: false,false,false,false
|
url: https://sb.scorecardresearch.com/internal-c2/default/cs.js
passed: false,false,false,false,false
|
url: https://sb.scorecardresearch.com/internal-c2/default/cs.js
passed: false,false,false,false,false
|
TaboolaTests whether the browser blocks the page from loading the tracker at https://trc.taboola.com/futureplc-tomsguide/trc/3/json |
url: https://trc.taboola.com/futureplc-tomsguide/trc/3/json
passed: true,true,true,true,true
|
url: https://trc.taboola.com/futureplc-tomsguide/trc/3/json
passed: false,false,false,false,false
|
url: https://trc.taboola.com/futureplc-tomsguide/trc/3/json
passed: true,true,true,true,true
|
url: https://trc.taboola.com/futureplc-tomsguide/trc/3/json
passed: false,false,false,false,false
|
url: https://trc.taboola.com/futureplc-tomsguide/trc/3/json
passed: false,false,false,false,false
|
url: https://trc.taboola.com/futureplc-tomsguide/trc/3/json
passed: true,true,true,true,true
|
url: https://trc.taboola.com/futureplc-tomsguide/trc/3/json
passed: false,false,false,false
|
url: https://trc.taboola.com/futureplc-tomsguide/trc/3/json
passed: false,false,false,false,false
|
url: https://trc.taboola.com/futureplc-tomsguide/trc/3/json
passed: false,false,false,false,false
|
Twitter pixelTests whether the browser blocks the page from loading the tracker at https://t.co/i/adsct |
url: https://t.co/i/adsct
passed: true,true,true,true,true
|
url: https://t.co/i/adsct
passed: false,false,false,false,false
|
url: https://t.co/i/adsct
passed: true,true,true,true,true
|
url: https://t.co/i/adsct
passed: false,false,false,false,false
|
url: https://t.co/i/adsct
passed: false,false,false,false,false
|
url: https://t.co/i/adsct
passed: false,false,false,false,false
|
url: https://t.co/i/adsct
passed: false,false,false,false
|
url: https://t.co/i/adsct
passed: false,false,false,false,false
|
url: https://t.co/i/adsct
passed: false,false,false,false,false
|
Yandex AdsTests whether the browser blocks the page from loading the tracker at https://yandex.ru/ads/system/header-bidding.js |
url: https://yandex.ru/ads/system/header-bidding.js
passed: true,true,true,true,true
|
url: https://yandex.ru/ads/system/header-bidding.js
passed: false,false,false,false,false
|
url: https://yandex.ru/ads/system/header-bidding.js
passed: true,true,true,true,true
|
url: https://yandex.ru/ads/system/header-bidding.js
passed: false,false,false,false,false
|
url: https://yandex.ru/ads/system/header-bidding.js
passed: false,false,false,false,false
|
url: https://yandex.ru/ads/system/header-bidding.js
passed: false,false,false,false,false
|
url: https://yandex.ru/ads/system/header-bidding.js
passed: false,false,false,false
|
url: https://yandex.ru/ads/system/header-bidding.js
passed: false,false,false,false,false
|
url: https://yandex.ru/ads/system/header-bidding.js
passed: false,false,false,false,false
|