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Website evidence · pilot dataset

Does telegram.org fingerprint you?

No monitored fingerprinting signals observed in the latest measured scans.

No monitored signal family met its threshold in the latest measured scans. This limited visit does not establish that the site never fingerprints visitors. Earlier runs remain available below.

Open evidence JSON ↗

All 5 source records are included in the JSON. Scan timestamps and versions are shown as recorded. The tabs show the latest usable homepage measurement for each setup. Later failed attempts remain in the history. Scan scope and methodology ↗

Inside the scan

← All websites

Visitor setup

Not observed

0 of 5 signal families observed

Canvas: Not observedWebGL: Not observedAudio: Not observedFonts: Not observedDevice: Not observed
Measurement
Measured
Page context
Page document
Scan time
2026-10-22T16:42:18.666505Z
Browser / scanner
156.0.8078.4 / 0.4

Captured titleTelegram Messenger

CanvasDraws text and reads canvas output.1 API entries

Observed requires a text-drawing API and a canvas readback API. Guide ↗

canvas.getContext11 calls

Frame: https://telegram.org/

  • Inline caller recorded
  • https://telegram.org/js/main-theme.js
  • https://telegram.org/js/tgsticker.js
WebGLQueries the graphics environment.0 API entries

Observed requires at least three distinct WebGL probing APIs. Guide ↗

No matching API call was captured.

AudioRenders or reads audio samples.0 API entries

Observed requires offline rendering, buffer reads, or analyser reads. Guide ↗

No matching API call was captured.

FontsMeasures text repeatedly.0 API entries

Observed requires at least ten text-measurement calls. Guide ↗

No matching API call was captured.

DeviceReads browser and display properties.2 API entries

Observed requires at least three distinct browser, screen, or window properties. Guide ↗

navigator.userAgent1 calls

Frame: https://telegram.org/

  • https://telegram.org/js/tgsticker.js
window.devicePixelRatio2 calls

Frame: https://telegram.org/

  • https://telegram.org/js/main.js
  • https://telegram.org/js/tgsticker.js
Providers, script signatures, and DNS 0 provider labels

Provider labels and static signatures are scanner observations. A library-name match does not establish that its code executed.

No provider or DNS evidence in this record.

Network and worker observations 58 requests
Captured scripts
4
Instrumented frames
1
Google Ads observed
No
Transmission evidence
Not validated

Legacy transmission hints are excluded. A request after an API call does not establish that the extracted value was sent.

Third-party hosts

    Source record and integrity
    Original source
    results/headful/telegram-org-20261022T164218.json
    Original file SHA-256
    0b4894dc4ae4c14b61f2988bd9e42b11584877241d6e8fedc180a0aa478d38d8

    Run ID: headful-0b4894dc4ae4. The JSON contains sanitized observations, not the original private scan payload.

    Other scan attempts (2)

    Visitor setup

    Navigation failed

    Navigation failed

    Canvas: UnmeasuredWebGL: UnmeasuredAudio: UnmeasuredFonts: UnmeasuredDevice: Unmeasured
    Measurement
    Navigation failed
    Page context
    Page not measured
    Scan time
    2026-10-21T23:25:21.740408Z
    Browser / scanner
    156.0.8078.4 / 0.3
    Navigation failed — no usable scan result

    Navigation or page loading failed in this browser setup. The record does not establish why it failed.

    Source record and integrity
    Original source
    results/headful/telegram-org-20261021T232521.json
    Original file SHA-256
    972039f60bdd1cb8714e5909fd1af33b72c0c3bd2ceab6781013cc95217787b7

    Run ID: headful-972039f60bdd. The JSON contains sanitized observations, not the original private scan payload.

    Visitor setup

    Scanner error

    Scanner error

    Canvas: UnmeasuredWebGL: UnmeasuredAudio: UnmeasuredFonts: UnmeasuredDevice: Unmeasured
    Measurement
    Scanner error
    Page context
    Page not measured
    Scan time
    2026-10-22T16:42:17.627861Z
    Browser / scanner
    156.0.8078.4 / 0.4
    Scanner error — no usable scan result

    The scanner crashed while collecting this page. No usable API results were saved for this setup. A fresh scan is needed; this is not a site-blocking verdict.

    Source record and integrity
    Original source
    results/headful/telegram-org-20261022T164217.json
    Original file SHA-256
    0442344e821bd89f833a6e4b7210006686b53a946f66fb1e6aa0ae43489c0417

    Run ID: headful-0442344e821b. The JSON contains sanitized observations, not the original private scan payload.

    Research setup

    Not observed

    0 of 5 signal families observed

    Canvas: Not observedWebGL: Not observedAudio: Not observedFonts: Not observedDevice: Not observed
    Measurement
    Measured
    Page context
    Page document
    Scan time
    2026-10-22T19:04:59.347013Z
    Browser / scanner
    156.0.8078.4 / 0.4

    Captured titleTelegram Messenger

    CanvasDraws text and reads canvas output.1 API entries

    Observed requires a text-drawing API and a canvas readback API. Guide ↗

    canvas.getContext11 calls

    Frame: https://telegram.org/

    • Inline caller recorded
    • https://telegram.org/js/main-theme.js
    • https://telegram.org/js/tgsticker.js
    WebGLQueries the graphics environment.0 API entries

    Observed requires at least three distinct WebGL probing APIs. Guide ↗

    No matching API call was captured.

    AudioRenders or reads audio samples.0 API entries

    Observed requires offline rendering, buffer reads, or analyser reads. Guide ↗

    No matching API call was captured.

    FontsMeasures text repeatedly.0 API entries

    Observed requires at least ten text-measurement calls. Guide ↗

    No matching API call was captured.

    DeviceReads browser and display properties.2 API entries

    Observed requires at least three distinct browser, screen, or window properties. Guide ↗

    navigator.userAgent1 calls

    Frame: https://telegram.org/

    • https://telegram.org/js/tgsticker.js
    window.devicePixelRatio2 calls

    Frame: https://telegram.org/

    • https://telegram.org/js/main.js
    • https://telegram.org/js/tgsticker.js
    Providers, script signatures, and DNS 0 provider labels

    Provider labels and static signatures are scanner observations. A library-name match does not establish that its code executed.

    No provider or DNS evidence in this record.

    Network and worker observations 58 requests
    Captured scripts
    4
    Instrumented frames
    1
    Google Ads observed
    No
    Transmission evidence
    Not validated

    Legacy transmission hints are excluded. A request after an API call does not establish that the extracted value was sent.

    Third-party hosts

      Source record and integrity
      Original source
      results/headless/telegram-org-20261022T190459.json
      Original file SHA-256
      ad6a82b159352aab0828065808d8f78225073a7033bdd4a20162d3508e199bf1

      Run ID: research-ad6a82b15935. The JSON contains sanitized observations, not the original private scan payload.

      Other scan attempts (1)

      Research setup

      Navigation failed

      Navigation failed

      Canvas: UnmeasuredWebGL: UnmeasuredAudio: UnmeasuredFonts: UnmeasuredDevice: Unmeasured
      Measurement
      Navigation failed
      Page context
      Page not measured
      Scan time
      2026-10-21T21:33:06.901061Z
      Browser / scanner
      156.0.8078.4 / 0.3
      Navigation failed — no usable scan result

      Navigation or page loading failed in this browser setup. The record does not establish why it failed.

      Source record and integrity
      Original source
      results/headless/telegram-org-20261021T213306.json
      Original file SHA-256
      350ab1fe56689985f3e9f3d369b5a7b4503f56fae76a01bb5b60ea5630816fb2

      Run ID: research-350ab1fe5668. The JSON contains sanitized observations, not the original private scan payload.

      Queries, request bodies, cookies, extracted values, raw errors, and session payloads are excluded before publication. The source digest identifies the original private record.

      Read the sanitized JSON →