Website evidence · pilot dataset

Does arstechnica.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 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

Measurement: Measured · Partial load
Page context: Page document
Scan time: 2026-10-22T13:44:04.023140Z
Browser / scanner: 156.0.8078.4 / 0.4

Captured titleArs Technica - Serving the Technologist since 1998. News, reviews, and analysis.

CanvasDraws text and reads canvas output.2 API entries

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

canvas.getContext1 calls

https://planebasin.com/dist/25dd01b14_8715a062a12be6f05714ee41f1a252e6e86d0.index.jsline 1 · col 5971

canvas.getContext1 calls

Frame: https://arstechnica.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.3 API entries

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

navigator.language1 calls

Frame: https://arstechnica.com/

https://privacy.condenastdigital.com/fides.js

navigator.userAgent1 calls

https://planebasin.com/dist/25dd01b14_8715a062a12be6f05714ee41f1a252e6e86d0.index.jsline 1 · col 6166

navigator.userAgent2 calls

Frame: https://arstechnica.com/

https://www.googletagservices.com/tag/js/gpt.jsline 6 · col 1336

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 Adssecurepubads.g.doubleclick.net, www.googletagservices.com
Google Tag Managerwww.googletagmanager.com
Permutive (audience platform)bd1cec50-00d1-4ce9-9572-785857419a1e.edge.permutive.app

Static script signatures

https://planebasin.com/dist/25dd01b14_8715a062a12be6f05714ee41f1a252e6e86d0.index.jsAPI patterns only · 4 API patterns

Network and worker observations 187 requests

Captured scripts: 7
Instrumented frames: 2
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

ads-static.conde.digital
awswaf.com
bd1cec50-00d1-4ce9-9572-785857419a1e.edge.permutive.app
c.amazon-adsystem.com
cdn.arstechnica.net
planebasin.com
privacy.condenastdigital.com
securepubads.g.doubleclick.net
static.adsafeprotected.com
www.googletagmanager.com
www.googletagservices.com

Other recorded API calls 1

document.cookie.read36 calls

Source record and integrity

Original source: results/headful/arstechnica-com-20261022T134404.json
Original file SHA-256: 0c8cfa96ec51d34fb17977de593384e66b9ee32fbe57ae343618649951ba12b2

Run ID: headful-0c8cfa96ec51. The JSON contains sanitized observations, not the original private scan payload.

Other scan attempts (2)

Visitor setup

Navigation failed

Measurement: Navigation failed
Page context: Page not measured
Scan time: 2026-10-21T22:18:35.550532Z
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/arstechnica-com-20261021T221835.json
Original file SHA-256: 809b2b99c06aede9f9415c83dab5966d32fdac44466fd565f30a3942efc8a126

Run ID: headful-809b2b99c06a. The JSON contains sanitized observations, not the original private scan payload.

Visitor setup

Scanner error

Measurement: Scanner error
Page context: Page not measured
Scan time: 2026-10-22T13:44:03.410245Z
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/arstechnica-com-20261022T134403.json
Original file SHA-256: c4f94bd0752e41392e45ef9ab112122f50eb4e4768278079cf213e89f32c2807

Run ID: headful-c4f94bd0752e. The JSON contains sanitized observations, not the original private scan payload.

Research setup

Not observed

0 of 5 signal families observed

Measurement: Measured · Partial load
Page context: Page document
Scan time: 2026-10-22T17:36:14.671999Z
Browser / scanner: 156.0.8078.4 / 0.4

Captured titleArs Technica - Serving the Technologist since 1998. News, reviews, and analysis.

CanvasDraws text and reads canvas output.3 API entries

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

canvas.getContext1 calls

https://ads-static.conde.digital/production/cns/builds/ars-technica/prebid.min.jsline 12 · col 8839

canvas.getContext1 calls

https://planebasin.com/dist/25dd01b14_8715a062a12be6f05714ee41f1a252e6e86d0.index.jsline 1 · col 5955

canvas.getContext1 calls

Frame: https://arstechnica.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.3 API entries

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

navigator.language1 calls

Frame: https://arstechnica.com/

https://privacy.condenastdigital.com/fides.js

navigator.userAgent1 calls

https://planebasin.com/dist/25dd01b14_8715a062a12be6f05714ee41f1a252e6e86d0.index.jsline 1 · col 6150

navigator.userAgent68 calls

Frame: https://arstechnica.com/

https://www.googletagmanager.com/gtm.js
https://www.googletagservices.com/tag/js/gpt.jsline 6 · col 1336

Providers, script signatures, and DNS 4 provider labels

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

Google Adsad.doubleclick.net, pagead2.googlesyndication.com, securepubads.g.doubleclick.net, www.googletagservices.com
Google Tag Managerwww.googletagmanager.com
Hotjarstatic.hotjar.com
Permutive (audience platform)bd1cec50-00d1-4ce9-9572-785857419a1e.edge.permutive.app

Static script signatures

https://planebasin.com/dist/25dd01b14_8715a062a12be6f05714ee41f1a252e6e86d0.index.jsAPI patterns only · 4 API patterns

Network and worker observations 127 requests

Captured scripts: 11
Instrumented frames: 3
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

a.ad.gt
ad.doubleclick.net
ads-static.conde.digital
ak.sail-horizon.com
analytics.tiktok.com
awswaf.com
bd1cec50-00d1-4ce9-9572-785857419a1e.edge.permutive.app
c.amazon-adsystem.com
cdn-magiclinks.trackonomics.net
cdn.arstechnica.net
connect.facebook.net
idsync.rlcdn.com
pagead2.googlesyndication.com
planebasin.com
privacy.condenastdigital.com
sb.scorecardresearch.com
sc-static.net
securepubads.g.doubleclick.net
snap.licdn.com
static.ads-twitter.com
static.adsafeprotected.com
static.hotjar.com
www.google.com
www.googletagmanager.com
www.googletagservices.com

Other recorded API calls 2

document.cookie.read94 calls
document.cookie.write31 calls

Source record and integrity

Original source: results/headless/arstechnica-com-20261022T173614.json
Original file SHA-256: 5a5b89db25beac8258ac0fb2ddb32da1313affdf2eb2aa78e37a4c64bd0aacd4

Run ID: research-5a5b89db25be. The JSON contains sanitized observations, not the original private scan payload.

Other scan attempts (1)

Research setup

Navigation failed

Measurement: Navigation failed
Page context: Page not measured
Scan time: 2026-10-21T20:46:36.838380Z
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/arstechnica-com-20261021T204636.json
Original file SHA-256: e9d10fa3e513b22162015b7e11ca6e660195e7ebfc287c6ae1af14e1310472cf

Run ID: research-e9d10fa3e513. 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 →

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Does arstechnica.com fingerprint you?

Inside the scan

Not observed

Static script signatures

Third-party hosts

Navigation failed

Scanner error

Not observed

Static script signatures

Third-party hosts

Navigation failed