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Website evidence · pilot dataset

Does yahoo.com 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 6 source records are included in the JSON. 2 older runs have no recorded timestamp; missing provenance stays unknown. 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 · Partial load
Page context
Page document
Scan time
2026-10-22T17:16:25.867665Z
Browser / scanner
156.0.8078.4 / 0.4

Captured titleYahoo | Mail, Weather, Search, Politics, News, Finance, Sports & Videos

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.yahoo.com/

  • 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 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 80 requests
Captured scripts
6
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

  • consent.cmp.oath.com
  • s.yimg.com
Other recorded API calls 1
  • document.cookie.read1 calls
Source record and integrity
Original source
results/headful/yahoo-com-20261022T171625.json
Original file SHA-256
3dc2c3488dbc98663130be67002db0ad1bdc0f3baa50884e525406fcd10abeba

Run ID: headful-3dc2c3488dbc. 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
Not recorded
Browser / scanner
Unknown browser / Unversioned
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/yahoo-com.json
Original file SHA-256
546e23cb0833b8be4e899e503d45a59b6ef45da04e19e5ef6f00afe1870f8210

Run ID: headful-546e23cb0833. The JSON contains sanitized observations, not the original private scan payload.

Visitor setup

Navigation failed

Navigation failed

Canvas: UnmeasuredWebGL: UnmeasuredAudio: UnmeasuredFonts: UnmeasuredDevice: Unmeasured
Measurement
Navigation failed
Page context
Page not measured
Scan time
2026-10-19T01:21:19.236452Z
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/yahoo-com-20261019T012119.json
Original file SHA-256
39e5da00e42fc7cb0f4d23158eba8b1f5dc11fc8044b0470fc994570eb078647

Run ID: headful-39e5da00e42f. 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
2026-10-22T19:32:45.850304Z
Browser / scanner
156.0.8078.4 / 0.4

Captured titleYahoo | Mail, Weather, Search, Politics, News, Finance, Sports & Videos

CanvasDraws text and reads canvas output.4 API entries

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

canvas.getContext1 calls
  • Inline caller recorded
canvas.getContext1 calls
  • Inline caller recorded
canvas.getContext1 calls
  • Inline caller recorded
canvas.getContext1 calls

Frame: https://www.yahoo.com/

  • 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.1 API entries

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

navigator.userAgent4 calls

Frame: https://www.yahoo.com/

  • https://www.yahoo.com/_nca/_next/static/chunks/49702-ea4a51a512db4028.js
  • https://www.yahoo.com/_nca/_next/static/chunks/63019-ab3617c0b91de292.js
  • https://www.yahoo.com/_nca/_next/static/chunks/7730-29657e29b22c59ca.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 Adssecurepubads.g.doubleclick.net
Network and worker observations 207 requests
Captured scripts
41
Instrumented frames
4
Google Ads observed
Yes
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

  • ad-delivery.net
  • cdn.taboola.com
  • consent.cmp.oath.com
  • s.yimg.com
  • securepubads.g.doubleclick.net
Other recorded API calls 1
  • document.cookie.read5 calls
Source record and integrity
Original source
results/headless/yahoo-com-20261022T193245.json
Original file SHA-256
97afb0123027667f100ed90f6bbed7eceea44b4719856c8d18109e4874c07e9f

Run ID: research-97afb0123027. The JSON contains sanitized observations, not the original private scan payload.

Other scan attempts (2)

Research setup

Signals observed

1 of 5 signal families observed

Canvas: Not observedWebGL: Not observedAudio: Not observedFonts: Not observedDevice: Observed
Measurement
Measured
Page context
Page document
Scan time
Not recorded
Browser / scanner
Unknown browser / Unversioned

Captured titleYahoo | Mail, Weather, Search, Politics, News, Finance, Sports & Videos

CanvasDraws text and reads canvas output.1 API entries

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

canvas.getContext1 calls
  • 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.9 API entries

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

navigator.languages1 calls
  • https://cdn.taboola.com/libtrc/yahooweb-network/loader.jsline 1 · col 541220
navigator.maxTouchPoints1 calls
  • https://s.yimg.com/du/benji/benji-2.3.477.jsline 1 · col 140304
navigator.platform1 calls
  • https://cdn.taboola.com/libtrc/yahooweb-network/loader.jsline 1 · col 541544
navigator.userAgent86 calls
  • https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202610120101/pubads_impl.jsline 19 · col 3841
  • https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202610120101/pubads_impl.jsline 19 · col 166438
  • https://securepubads.g.doubleclick.net/tag/js/gpt.jsline 6 · col 1336
  • https://securepubads.g.doubleclick.net/tag/js/gpt.jsline 11 · col 33534
  • https://www.yahoo.com/_nca/_next/static/chunks/7730-a4410af408776f59.js
screen.availHeight1 calls
  • https://cdn.taboola.com/libtrc/yahooweb-network/loader.jsline 1 · col 541474
screen.availWidth1 calls
  • https://cdn.taboola.com/libtrc/yahooweb-network/loader.jsline 1 · col 541458
screen.height3 calls
  • https://cdn.taboola.com/libtrc/yahooweb-network/loader.jsline 1 · col 541446
  • https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202610120101/pubads_impl.jsline 19 · col 166373
screen.width3 calls
  • https://cdn.taboola.com/libtrc/yahooweb-network/loader.jsline 1 · col 541436
  • https://securepubads.g.doubleclick.net/pagead/managed/js/gpt/m202610120101/pubads_impl.jsline 19 · col 166355
window.devicePixelRatio2 calls
  • https://cdn.taboola.com/libtrc/yahooweb-network/loader.jsline 1 · col 541363
  • https://cdn.taboola.com/libtrc/yahooweb-network/loader.jsline 1 · col 543073
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 Adssecurepubads.g.doubleclick.net
Network and worker observations 123 requests
Captured scripts
0
Instrumented frames
Not recorded
Google Ads observed
Yes
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

  • ad-delivery.net
  • cdn.taboola.com
  • consent.cmp.oath.com
  • s.yimg.com
  • securepubads.g.doubleclick.net
  • wnsrvbjmeprtfrnfx.ay.delivery
Other recorded API calls 1
  • document.cookie.read20 calls
Source record and integrity
Original source
results/headless/yahoo-com.json
Original file SHA-256
5bb431cf082b3f069d37947543c2347c14d56d9a5bbc7ce3e95cf3d7a2764d6f

The research mode is inferred from the archive folder because this legacy record has no mode field.

Run ID: research-5bb431cf082b. 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
2026-10-19T06:02:17.554150Z
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/yahoo-com-20261019T060217.json
Original file SHA-256
726a282e51e042e0cc3a0e247bfa46c722e02362f59c9af189112b31631d2b6c

Run ID: research-726a282e51e0. 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 →