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Website evidence · pilot dataset

Does khanacademy.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 4 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

Earlier measurement shown. Review the scan time and subsequent attempts below.

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
2026-10-21T23:22:39.043747Z
Browser / scanner
156.0.8078.4 / 0.3

Captured titleKhan Academy | Khan Academy

CanvasDraws text and reads canvas output.1 API entries

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

canvas.getContext1 calls

Frame: https://www.khanacademy.org/

  • Inline caller recorded
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.language3 calls

Frame: https://www.khanacademy.org/

  • https://cdn.kastatic.org/khanacademy/khanacademy.6e5bd6e6eb5dbefc.jsline 1639 · col 34066
navigator.userAgent56 calls

Frame: https://www.khanacademy.org/

  • https://cdn.kastatic.org/khanacademy/khanacademy.6e5bd6e6eb5dbefc.jsline 1 · col 215086
  • https://cdn.kastatic.org/khanacademy/khanacademy.6e5bd6e6eb5dbefc.jsline 21 · col 29061
  • https://cdn.kastatic.org/khanacademy/khanacademy.6e5bd6e6eb5dbefc.jsline 21 · col 29346
  • https://cdn.kastatic.org/khanacademy/khanacademy.6e5bd6e6eb5dbefc.jsline 129 · col 31670
  • https://www.googletagmanager.com/gtm.js
Providers, script signatures, and DNS 1 provider labels

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

  • Google Tag Managerwww.googletagmanager.com
Network and worker observations 82 requests
Captured scripts
7
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

  • cdn.kastatic.org
  • consent.trustarc.com
  • fonts.googleapis.com
  • www.googletagmanager.com
Other recorded API calls 2
  • document.cookie.read80 calls
  • document.cookie.write7 calls
Source record and integrity
Original source
results/headful/khanacademy-org-20261021T232239.json
Original file SHA-256
f528ed0006c6f707e0fb6c1eed43bf6e5d22bdf580c362bfb171782b054dce1f

Run ID: headful-f528ed0006c6. 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
2026-10-22T23:50:13.338808Z
Browser / scanner
156.0.8078.4 / 0.4

Captured titleKhan Academy

CanvasDraws text and reads canvas output.1 API entries

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

canvas.getContext1 calls

Frame: https://www.khanacademy.org/

  • Inline caller recorded
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.0 API entries

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

No matching API call was captured.

Providers, script signatures, and DNS 1 provider labels

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

  • Google Tag Managerwww.googletagmanager.com
Network and worker observations 34 requests
Captured scripts
1
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

  • cdn.kastatic.org
  • www.googletagmanager.com
Source record and integrity
Original source
results/headless/khanacademy-org-20261022T235013.json
Original file SHA-256
adee9cc19a7f0b0bf77c5bde4db0eaba1de387065c12147cb54ca84de58858e5

Run ID: research-adee9cc19a7f. The JSON contains sanitized observations, not the original private scan payload.

Other scan attempts (2)

Research setup

Navigation failed

Navigation failed

Canvas: UnmeasuredWebGL: UnmeasuredAudio: UnmeasuredFonts: UnmeasuredDevice: Unmeasured
Measurement
Navigation failed
Page context
Page not measured
Scan time
2026-10-21T21:31:07.575033Z
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/khanacademy-org-20261021T213107.json
Original file SHA-256
d29b3595663abe5ba1bc0b414f6601cf9ca59f755279e6d8c20abc2d2f43184d

Run ID: research-d29b3595663a. The JSON contains sanitized observations, not the original private scan payload.

Research setup

Navigation failed

Navigation failed

Canvas: UnmeasuredWebGL: UnmeasuredAudio: UnmeasuredFonts: UnmeasuredDevice: Unmeasured
Measurement
Navigation failed
Page context
Page not measured
Scan time
2026-10-22T22:45:34.605668Z
Browser / scanner
156.0.8078.4 / 0.4
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/khanacademy-org-20261022T224534.json
Original file SHA-256
99f04708c24ad024ed1ee622a6fa291e292042a72c15a4d74c5761dcc491133b

Run ID: research-99f04708c24a. 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 →