Skip to main content

Website evidence · pilot dataset

Does f5.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 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

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
2026-10-22T14:48:01.789172Z
Browser / scanner
156.0.8078.4 / 0.4

Captured titlePress Releases | F5

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://f5.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 3 requests
Captured scripts
0
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/f5-com-20261022T144801.json
    Original file SHA-256
    365fc9ca23b5ee31a52458897112ec6f48d232089fd1edaf1de2bd424c4363a3

    Run ID: headful-365fc9ca23b5. The JSON contains sanitized observations, not the original private scan payload.

    Other scan attempts (1)

    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
    2026-10-20T05:53:00.206415Z
    Browser / scanner
    156.0.8078.4 / 0.3

    Captured titleHybrid Multicloud App Security & Delivery for the AI Era | F5

    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.f5.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.5 API entries

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

    navigator.plugins2 calls

    Frame: https://www.f5.com/

    • https://mktg.tags.f5.com/main/prod/utag.jsline 108 · col 271
    • https://mktg.tags.f5.com/main/prod/utag.jsline 108 · col 296
    navigator.userAgent5 calls

    Frame: https://www.f5.com/

    • https://mktg.tags.f5.com/main/prod/utag.jsline 108 · col 339
    • https://mktg.tags.f5.com/main/prod/utag.jsline 232 · col 9966
    • https://www.f5.com/_next/static/chunks/1255-5e1d86ced162767f.js
    • https://www.f5.com/_next/static/chunks/9596-1f1ab7cc18a5b513.js
    screen.colorDepth2 calls

    Frame: https://www.f5.com/

    • https://mktg.tags.f5.com/main/prod/utag.jsline 108 · col 493
    • https://mktg.tags.f5.com/main/prod/utag.jsline 108 · col 512
    screen.height1 calls

    Frame: https://www.f5.com/

    • https://mktg.tags.f5.com/main/prod/utag.jsline 108 · col 469
    screen.width1 calls

    Frame: https://www.f5.com/

    • https://mktg.tags.f5.com/main/prod/utag.jsline 108 · col 456
    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 126 requests
    Captured scripts
    23
    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

    • app.easyling.com
    • consent.trustarc.com
    • dpm.demdex.net
    • munchkin.marketo.net
    Other recorded API calls 2
    • document.cookie.read136 calls
    • document.cookie.write21 calls
    Source record and integrity
    Original source
    results/headful/f5-com-20261020T055300.json
    Original file SHA-256
    328220b4dac2fae0b4789713ec6d1b6a6c64a23aa97c0c1ac0868d0750d18e41

    Run ID: headful-328220b4dac2. 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
    Page context
    Page document
    Scan time
    2026-10-22T18:08:22.762032Z
    Browser / scanner
    156.0.8078.4 / 0.4

    Captured titleHybrid Multicloud App Security & Delivery for the AI Era | F5

    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.f5.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.7 API entries

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

    navigator.language2 calls

    Frame: https://www.f5.com/

    • https://mktg.tags.f5.com/main/prod/utag.2.js
    navigator.languages2 calls

    Frame: https://www.f5.com/

    • https://mktg.tags.f5.com/main/prod/utag.2.js
    navigator.plugins1 calls

    Frame: https://www.f5.com/

    • https://mktg.tags.f5.com/main/prod/utag.jsline 108 · col 271
    navigator.userAgent18 calls

    Frame: https://www.f5.com/

    • https://consent.trustarc.com/asset/notice.js/v/0aa19f7line 1 · col 10201
    • https://consent.trustarc.com/asset/notice.js/v/0aa19f7line 1 · col 24540
    • https://consent.trustarc.com/asset/notice.js/v/0aa19f7line 1 · col 76966
    • https://mktg.tags.f5.com/main/prod/utag.jsline 108 · col 339
    • https://www.f5.com/_next/static/chunks/1255-b9b10e2ef0e2042f.js
    screen.colorDepth3 calls

    Frame: https://www.f5.com/

    • https://mktg.tags.f5.com/main/prod/utag.2.js
    • https://mktg.tags.f5.com/main/prod/utag.jsline 108 · col 493
    • https://mktg.tags.f5.com/main/prod/utag.jsline 108 · col 512
    screen.height2 calls

    Frame: https://www.f5.com/

    • https://mktg.tags.f5.com/main/prod/utag.2.js
    • https://mktg.tags.f5.com/main/prod/utag.jsline 108 · col 469
    screen.width2 calls

    Frame: https://www.f5.com/

    • https://mktg.tags.f5.com/main/prod/utag.2.js
    • https://mktg.tags.f5.com/main/prod/utag.jsline 108 · col 456
    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.

    • Amplitudecdn.amplitude.com
    • Google Ads12321151.fls.doubleclick.net
    • Google Tag Managerwww.googletagmanager.com
    Network and worker observations 202 requests
    Captured scripts
    61
    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

    • 12321151.fls.doubleclick.net
    • app.easyling.com
    • cdn.amplitude.com
    • cdn.bizible.com
    • cdn.cookie.sync.usonar.jp
    • cdn.speedcurve.com
    • consent.trustarc.com
    • de-de-63iw3vww.app.easyling.com
    • dpm.demdex.net
    • f5networks.demdex.net
    • f5networks.sc.omtrdc.net
    • j.6sc.co
    • js.adsrvr.org
    • k6fem79d.api.sanity.io
    • live.rezync.com
    • munchkin.marketo.net
    • r.turn.com
    • skawa-easyling.cdn.easyling.com
    • snap.licdn.com
    • static.cloud.coveo.com
    • tags.tiqcdn.com
    • www.googletagmanager.com
    Other recorded API calls 2
    • document.cookie.read119 calls
    • document.cookie.write27 calls
    Source record and integrity
    Original source
    results/headless/f5-com-20261022T180822.json
    Original file SHA-256
    784afcce6ffcb26dd8905c6cdcc64d9b1dccbd4856d1ee93580ba22665202838

    Run ID: research-784afcce6ffc. The JSON contains sanitized observations, not the original private scan payload.

    Other scan attempts (1)

    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
    2026-10-20T05:36:23.614610Z
    Browser / scanner
    156.0.8078.4 / 0.3

    Captured titleHybrid Multicloud App Security & Delivery for the AI Era | F5

    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.f5.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.5 API entries

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

    navigator.plugins1 calls

    Frame: https://www.f5.com/

    • https://mktg.tags.f5.com/main/prod/utag.jsline 108 · col 271
    navigator.userAgent4 calls

    Frame: https://www.f5.com/

    • https://mktg.tags.f5.com/main/prod/utag.jsline 108 · col 339
    • https://mktg.tags.f5.com/main/prod/utag.jsline 232 · col 9966
    • https://www.f5.com/_next/static/chunks/1255-5e1d86ced162767f.js
    screen.colorDepth2 calls

    Frame: https://www.f5.com/

    • https://mktg.tags.f5.com/main/prod/utag.jsline 108 · col 493
    • https://mktg.tags.f5.com/main/prod/utag.jsline 108 · col 512
    screen.height1 calls

    Frame: https://www.f5.com/

    • https://mktg.tags.f5.com/main/prod/utag.jsline 108 · col 469
    screen.width1 calls

    Frame: https://www.f5.com/

    • https://mktg.tags.f5.com/main/prod/utag.jsline 108 · col 456
    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 91 requests
    Captured scripts
    14
    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

    • app.easyling.com
    • consent.trustarc.com
    • dpm.demdex.net
    • f5networks.demdex.net
    • f5networks.sc.omtrdc.net
    • munchkin.marketo.net
    Other recorded API calls 2
    • document.cookie.read157 calls
    • document.cookie.write27 calls
    Source record and integrity
    Original source
    results/headless/f5-com-20261020T053623.json
    Original file SHA-256
    04f340481e7f8a884381e7ec175408cb39666ab6d81fe42e2ae3c86836b8a40c

    Run ID: research-04f340481e7f. 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 →