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Website evidence · pilot dataset

Does opera.com fingerprint you?

Browser signals observed; fingerprinting is unconfirmed.

Browser API activity met a monitored signal threshold in the latest measured scans. The activity alone does not establish a tracking purpose.

Open evidence JSON ↗

All 8 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

Signals observed

1 of 5 signal families observed

Canvas: Not observedWebGL: Not observedAudio: Not observedFonts: Not observedDevice: Observed
Measurement
Measured · Partial load
Page context
Page document
Scan time
2026-10-22T20:53:29.158187Z
Browser / scanner
156.0.8078.4 / 0.4

Captured titleOpera Web Browser | Faster, Safer, Smarter | Opera

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.opera.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.11 API entries

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

navigator.deviceMemory1 calls

Frame: https://www.opera.com/

  • https://scripts.clarity.ms/0.8.72/clarity.jsline 2 · col 65298
navigator.hardwareConcurrency1 calls

Frame: https://www.opera.com/

  • https://scripts.clarity.ms/0.8.72/clarity.jsline 2 · col 65218
navigator.language4 calls

Frame: https://www.opera.com/

  • https://bat.bing.com/bat.jsline 1 · col 15732
  • https://bat.bing.com/bat.jsline 1 · col 26769
  • https://scripts.clarity.ms/0.8.72/clarity.jsline 2 · col 65192
  • https://www.googletagmanager.com/gtag/js
navigator.maxTouchPoints2 calls

Frame: https://www.opera.com/

  • https://bat.bing.com/bat.jsline 1 · col 27319
  • https://scripts.clarity.ms/0.8.72/clarity.jsline 2 · col 65255
navigator.plugins11 calls

Frame: https://www.opera.com/

  • https://bat.bing.com/bat.jsline 1 · col 24782
  • https://bat.bing.com/bat.jsline 1 · col 24831
navigator.userAgent105 calls

Frame: https://www.opera.com/

  • https://scripts.clarity.ms/0.8.72/clarity.jsline 2 · col 63627
  • https://www.googletagmanager.com/gtag/js
  • https://www.googletagmanager.com/gtm.js
navigator.webdriver2 calls

Frame: https://www.opera.com/

  • https://bat.bing.com/bat.jsline 1 · col 25185
  • https://scripts.clarity.ms/0.8.72/clarity.jsline 2 · col 69393
screen.colorDepth3 calls

Frame: https://www.opera.com/

  • https://bat.bing.com/bat.jsline 1 · col 25121
  • https://bat.bing.com/bat.jsline 1 · col 25146
  • https://scripts.clarity.ms/0.8.72/clarity.jsline 2 · col 65735
screen.height5 calls

Frame: https://www.opera.com/

  • https://bat.bing.com/bat.jsline 1 · col 25085
  • https://bat.bing.com/bat.jsline 1 · col 25106
  • https://scripts.clarity.ms/0.8.72/clarity.jsline 2 · col 65702
  • https://www.googletagmanager.com/gtag/js
screen.width5 calls

Frame: https://www.opera.com/

  • https://bat.bing.com/bat.jsline 1 · col 25051
  • https://bat.bing.com/bat.jsline 1 · col 25071
  • https://scripts.clarity.ms/0.8.72/clarity.jsline 2 · col 65670
  • https://www.googletagmanager.com/gtag/js
window.devicePixelRatio1 calls

Frame: https://www.opera.com/

  • https://scripts.clarity.ms/0.8.72/clarity.jsline 2 · col 64807
Providers, script signatures, and DNS 3 provider labels

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

  • Google Adspagead2.googlesyndication.com
  • Google Analyticswww.google-analytics.com
  • Google Tag Managerwww.googletagmanager.com
Network and worker observations 49 requests
Captured scripts
7
Instrumented frames
1
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

  • bat.bing.com
  • bat.bing.net
  • cdn-production-opera-website.operacdn.com
  • g.clarity.ms
  • pagead2.googlesyndication.com
  • scripts.clarity.ms
  • www.clarity.ms
  • www.google-analytics.com
  • www.googletagmanager.com
Other recorded API calls 2
  • document.cookie.read17 calls
  • document.cookie.write3 calls
Source record and integrity
Original source
results/headful/opera-com-20261022T205329.json
Original file SHA-256
96dc24be9e9f43657f361ae185e1066839cc4f9ea690db0ae21a9bfbd691f0f5

Run ID: headful-96dc24be9e9f. The JSON contains sanitized observations, not the original private scan payload.

Other scan attempts (4)

Visitor 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
2026-10-19T01:31:43.697115Z
Browser / scanner
156.0.8078.4 / 0.3

Captured titleOpera Web Browser | Faster, Safer, Smarter | Opera

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.opera.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.11 API entries

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

navigator.deviceMemory1 calls

Frame: https://www.opera.com/

  • https://scripts.clarity.ms/0.8.72/clarity.jsline 2 · col 65298
navigator.hardwareConcurrency1 calls

Frame: https://www.opera.com/

  • https://scripts.clarity.ms/0.8.72/clarity.jsline 2 · col 65218
navigator.language4 calls

Frame: https://www.opera.com/

  • https://bat.bing.com/bat.jsline 1 · col 15732
  • https://bat.bing.com/bat.jsline 1 · col 26769
  • https://scripts.clarity.ms/0.8.72/clarity.jsline 2 · col 65192
  • https://www.googletagmanager.com/gtag/js
navigator.maxTouchPoints2 calls

Frame: https://www.opera.com/

  • https://bat.bing.com/bat.jsline 1 · col 27319
  • https://scripts.clarity.ms/0.8.72/clarity.jsline 2 · col 65255
navigator.plugins11 calls

Frame: https://www.opera.com/

  • https://bat.bing.com/bat.jsline 1 · col 24782
  • https://bat.bing.com/bat.jsline 1 · col 24831
navigator.userAgent106 calls

Frame: https://www.opera.com/

  • https://cdn-production-opera-website.operacdn.com/staticfiles/12291.bb93b8f7ff03e025f0a5.jsline 1 · col 588
  • https://scripts.clarity.ms/0.8.72/clarity.jsline 2 · col 63627
  • https://www.googletagmanager.com/gtag/js
  • https://www.googletagmanager.com/gtm.js
navigator.webdriver2 calls

Frame: https://www.opera.com/

  • https://bat.bing.com/bat.jsline 1 · col 25185
  • https://scripts.clarity.ms/0.8.72/clarity.jsline 2 · col 69393
screen.colorDepth3 calls

Frame: https://www.opera.com/

  • https://bat.bing.com/bat.jsline 1 · col 25121
  • https://bat.bing.com/bat.jsline 1 · col 25146
  • https://scripts.clarity.ms/0.8.72/clarity.jsline 2 · col 65735
screen.height5 calls

Frame: https://www.opera.com/

  • https://bat.bing.com/bat.jsline 1 · col 25085
  • https://bat.bing.com/bat.jsline 1 · col 25106
  • https://scripts.clarity.ms/0.8.72/clarity.jsline 2 · col 65702
  • https://www.googletagmanager.com/gtag/js
screen.width5 calls

Frame: https://www.opera.com/

  • https://bat.bing.com/bat.jsline 1 · col 25051
  • https://bat.bing.com/bat.jsline 1 · col 25071
  • https://scripts.clarity.ms/0.8.72/clarity.jsline 2 · col 65670
  • https://www.googletagmanager.com/gtag/js
window.devicePixelRatio1 calls

Frame: https://www.opera.com/

  • https://scripts.clarity.ms/0.8.72/clarity.jsline 2 · col 64807
Providers, script signatures, and DNS 3 provider labels

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

  • Google Adspagead2.googlesyndication.com
  • Google Analyticswww.google-analytics.com
  • Google Tag Managerwww.googletagmanager.com
Network and worker observations 77 requests
Captured scripts
26
Instrumented frames
1
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

  • bat.bing.com
  • bat.bing.net
  • c.bing.com
  • c.clarity.ms
  • cdn-production-opera-website.operacdn.com
  • j.clarity.ms
  • pagead2.googlesyndication.com
  • scripts.clarity.ms
  • www.clarity.ms
  • www.google-analytics.com
  • www.googletagmanager.com
Other recorded API calls 2
  • document.cookie.read28 calls
  • document.cookie.write3 calls
Source record and integrity
Original source
results/headful/opera-com-20261019T013143.json
Original file SHA-256
546225872d71ddc7332d1ee757675abf1f37568cad1caa411875683406810a62

Run ID: headful-546225872d71. 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
2026-10-22T15:19:50.912399Z
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/opera-com-20261022T151950.json
Original file SHA-256
0c5cbe9761aff036900368e02ef1519558833c976ce721d64dd61cba4375cf4f

Run ID: headful-0c5cbe9761af. 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
2026-10-22T15:19:51.581761Z
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/headful/opera-com-20261022T151951.json
Original file SHA-256
f526035d62758840d7c2a05235584d92649fac4dc1a9e0350743e2ef67098570

Run ID: headful-f526035d6275. 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
2026-10-22T20:53:28.546611Z
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/opera-com-20261022T205328.json
Original file SHA-256
3057fa6bbe058964ac45f88f2c597a75a175587d9e7e22e190c04a7c7d4ead5f

Run ID: headful-3057fa6bbe05. The JSON contains sanitized observations, not the original private scan payload.

Research setup

Signals observed

1 of 5 signal families observed

Canvas: Not observedWebGL: Not observedAudio: Not observedFonts: Not observedDevice: Observed
Measurement
Measured · Partial load
Page context
Page document
Scan time
2026-10-22T23:08:12.191622Z
Browser / scanner
156.0.8078.4 / 0.4

Captured titleOpera Web Browser | Faster, Safer, Smarter | Opera

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.opera.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.8 API entries

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

navigator.language3 calls

Frame: https://www.opera.com/

  • https://bat.bing.com/bat.jsline 1 · col 15732
  • https://bat.bing.com/bat.jsline 1 · col 26769
  • https://www.googletagmanager.com/gtag/js
navigator.maxTouchPoints1 calls

Frame: https://www.opera.com/

  • https://bat.bing.com/bat.jsline 1 · col 27319
navigator.plugins1 calls

Frame: https://www.opera.com/

  • https://bat.bing.com/bat.jsline 1 · col 24782
navigator.userAgent101 calls

Frame: https://www.opera.com/

  • https://www.googletagmanager.com/gtag/js
  • https://www.googletagmanager.com/gtm.js
navigator.webdriver1 calls

Frame: https://www.opera.com/

  • https://bat.bing.com/bat.jsline 1 · col 25185
screen.colorDepth2 calls

Frame: https://www.opera.com/

  • https://bat.bing.com/bat.jsline 1 · col 25121
  • https://bat.bing.com/bat.jsline 1 · col 25146
screen.height4 calls

Frame: https://www.opera.com/

  • https://bat.bing.com/bat.jsline 1 · col 25085
  • https://bat.bing.com/bat.jsline 1 · col 25106
  • https://www.googletagmanager.com/gtag/js
screen.width4 calls

Frame: https://www.opera.com/

  • https://bat.bing.com/bat.jsline 1 · col 25051
  • https://bat.bing.com/bat.jsline 1 · col 25071
  • https://www.googletagmanager.com/gtag/js
Providers, script signatures, and DNS 3 provider labels

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

  • Google Adspagead2.googlesyndication.com
  • Google Analyticswww.google-analytics.com
  • Google Tag Managerwww.googletagmanager.com
Network and worker observations 48 requests
Captured scripts
6
Instrumented frames
1
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

  • bat.bing.com
  • bat.bing.net
  • cdn-production-opera-website.operacdn.com
  • pagead2.googlesyndication.com
  • scripts.clarity.ms
  • www.clarity.ms
  • www.google-analytics.com
  • www.googletagmanager.com
Other recorded API calls 1
  • document.cookie.read8 calls
Source record and integrity
Original source
results/headless/opera-com-20261022T230812.json
Original file SHA-256
7fe5f89847687edf63e1ef241159acb186ffa6c54c863a49f57e8f2f4e83f936

Run ID: research-7fe5f8984768. 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
2026-10-19T01:23:52.352719Z
Browser / scanner
156.0.8078.4 / 0.3

Captured titleOpera Web Browser | Faster, Safer, Smarter | Opera

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.opera.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.11 API entries

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

navigator.deviceMemory1 calls

Frame: https://www.opera.com/

  • https://scripts.clarity.ms/0.8.72/clarity.jsline 2 · col 65298
navigator.hardwareConcurrency1 calls

Frame: https://www.opera.com/

  • https://scripts.clarity.ms/0.8.72/clarity.jsline 2 · col 65218
navigator.language4 calls

Frame: https://www.opera.com/

  • https://bat.bing.com/bat.jsline 1 · col 15732
  • https://bat.bing.com/bat.jsline 1 · col 26769
  • https://scripts.clarity.ms/0.8.72/clarity.jsline 2 · col 65192
  • https://www.googletagmanager.com/gtag/js
navigator.maxTouchPoints2 calls

Frame: https://www.opera.com/

  • https://bat.bing.com/bat.jsline 1 · col 27319
  • https://scripts.clarity.ms/0.8.72/clarity.jsline 2 · col 65255
navigator.plugins1 calls

Frame: https://www.opera.com/

  • https://bat.bing.com/bat.jsline 1 · col 24782
navigator.userAgent103 calls

Frame: https://www.opera.com/

  • https://cdn-production-opera-website.operacdn.com/staticfiles/12291.bb93b8f7ff03e025f0a5.jsline 1 · col 588
  • https://scripts.clarity.ms/0.8.72/clarity.jsline 2 · col 63627
  • https://www.googletagmanager.com/gtag/js
  • https://www.googletagmanager.com/gtm.js
navigator.webdriver2 calls

Frame: https://www.opera.com/

  • https://bat.bing.com/bat.jsline 1 · col 25185
  • https://scripts.clarity.ms/0.8.72/clarity.jsline 2 · col 69393
screen.colorDepth3 calls

Frame: https://www.opera.com/

  • https://bat.bing.com/bat.jsline 1 · col 25121
  • https://bat.bing.com/bat.jsline 1 · col 25146
  • https://scripts.clarity.ms/0.8.72/clarity.jsline 2 · col 65735
screen.height5 calls

Frame: https://www.opera.com/

  • https://bat.bing.com/bat.jsline 1 · col 25085
  • https://bat.bing.com/bat.jsline 1 · col 25106
  • https://scripts.clarity.ms/0.8.72/clarity.jsline 2 · col 65702
  • https://www.googletagmanager.com/gtag/js
screen.width5 calls

Frame: https://www.opera.com/

  • https://bat.bing.com/bat.jsline 1 · col 25051
  • https://bat.bing.com/bat.jsline 1 · col 25071
  • https://scripts.clarity.ms/0.8.72/clarity.jsline 2 · col 65670
  • https://www.googletagmanager.com/gtag/js
window.devicePixelRatio1 calls

Frame: https://www.opera.com/

  • https://scripts.clarity.ms/0.8.72/clarity.jsline 2 · col 64807
Providers, script signatures, and DNS 3 provider labels

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

  • Google Adspagead2.googlesyndication.com
  • Google Analyticswww.google-analytics.com
  • Google Tag Managerwww.googletagmanager.com
Network and worker observations 69 requests
Captured scripts
33
Instrumented frames
1
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

  • bat.bing.com
  • bat.bing.net
  • c.bing.com
  • c.clarity.ms
  • cdn-production-opera-website.operacdn.com
  • g.clarity.ms
  • pagead2.googlesyndication.com
  • scripts.clarity.ms
  • www.clarity.ms
  • www.google-analytics.com
  • www.googletagmanager.com
Other recorded API calls 2
  • document.cookie.read28 calls
  • document.cookie.write3 calls
Source record and integrity
Original source
results/headless/opera-com-20261019T012352.json
Original file SHA-256
90eb3ee041df40ef18350d2f1d5dab1ab26dbed7f2fbd1d0a7a9a3b454109f34

Run ID: research-90eb3ee041df. 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
2026-10-22T18:44:21.283076Z
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/opera-com-20261022T184421.json
Original file SHA-256
cf40e632d6e3528e8b952c87f8ce023f8b06aaaaf66f98e1d9c860885b0bcfcd

Run ID: research-cf40e632d6e3. 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 →