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Website evidence · pilot dataset

Does dropbox.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. 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 · Partial load
Page context
Page document
Scan time
2026-10-22T14:38:39.842811Z
Browser / scanner
156.0.8078.4 / 0.4

Captured titleDropbox: Secure cloud storage, file sharing, and more

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.dropbox.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.2 API entries

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

navigator.plugins1 calls

Frame: https://www.dropbox.com/

  • https://cfl.dropboxstatic.com/static/atlas/warp/[redacted-id]/e_metaserver__static__js__warp__warp_page_edison-vflwjkwdM.jsline 367 · col 586258
navigator.userAgent8 calls

Frame: https://www.dropbox.com/

  • https://cfl.dropboxstatic.com/static/atlas/warp/[redacted-id]/e_metaserver__static__js__warp__warp_page_edison-vflwjkwdM.jsline 367 · col 583786
  • https://cfl.dropboxstatic.com/static/atlas/warp/[redacted-id]/e_metaserver__static__js__warp__warp_page_edison-vflwjkwdM.jsline 367 · col 584931
  • https://cfl.dropboxstatic.com/static/atlas/warp/[redacted-id]/e_metaserver__static__js__warp__warp_page_edison-vflwjkwdM.jsline 367 · col 584991
  • https://cfl.dropboxstatic.com/static/atlas/warp/[redacted-id]/e_metaserver__static__js__warp__warp_page_edison-vflwjkwdM.jsline 367 · col 585031
  • https://cfl.dropboxstatic.com/static/atlas/warp/[redacted-id]/e_metaserver__static__js__warp__warp_page_edison-vflwjkwdM.jsline 2428 · col 294158
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 144 requests
Captured scripts
3
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

  • accounts.google.com
  • cfl.dropboxstatic.com
  • edge.cofra.me
  • fjord.dropboxstatic.com
Other recorded API calls 1
  • document.cookie.read1 calls
Source record and integrity
Original source
results/headful/dropbox-com-20261022T143839.json
Original file SHA-256
bd53f267636d04e439c7b3a36d6825ffd58e292526186129c33e4abfdd0cc722

Run ID: headful-bd53f267636d. The JSON contains sanitized observations, not the original private scan payload.

Other scan attempts (1)

Visitor setup

Navigation failed

Navigation failed

Canvas: UnmeasuredWebGL: UnmeasuredAudio: UnmeasuredFonts: UnmeasuredDevice: Unmeasured
Measurement
Navigation failed
Page context
Page not measured
Scan time
2026-10-21T22:59:41.574839Z
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/dropbox-com-20261021T225941.json
Original file SHA-256
5d790f0f24ccc7335d37ff5533f65ca6266962ffd8f983e83b467eb9b1109145

Run ID: headful-5d790f0f24cc. 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 · Partial load
Page context
Page document
Scan time
2026-10-22T22:20:37.324593Z
Browser / scanner
156.0.8078.4 / 0.4

Captured titleDropbox: Secure cloud storage, file sharing, and more

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.dropbox.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.2 API entries

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

navigator.plugins1 calls

Frame: https://www.dropbox.com/

  • https://cfl.dropboxstatic.com/static/atlas/warp/[redacted-id]/e_metaserver__static__js__warp__warp_page_edison-vflwjkwdM.jsline 367 · col 586258
navigator.userAgent9 calls

Frame: https://www.dropbox.com/

  • https://cfl.dropboxstatic.com/static/atlas/warp/[redacted-id]/e_metaserver__static__js__warp__warp_page_edison-vflwjkwdM.jsline 367 · col 583786
  • https://cfl.dropboxstatic.com/static/atlas/warp/[redacted-id]/e_metaserver__static__js__warp__warp_page_edison-vflwjkwdM.jsline 367 · col 584931
  • https://cfl.dropboxstatic.com/static/atlas/warp/[redacted-id]/e_metaserver__static__js__warp__warp_page_edison-vflwjkwdM.jsline 367 · col 584991
  • https://cfl.dropboxstatic.com/static/atlas/warp/[redacted-id]/e_metaserver__static__js__warp__warp_page_edison-vflwjkwdM.jsline 367 · col 585031
  • https://cfl.dropboxstatic.com/static/atlas/warp/[redacted-id]/e_metaserver__static__js__warp__warp_page_edison-vflwjkwdM.jsline 2428 · col 294158
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 295 requests
Captured scripts
8
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

  • accounts.google.com
  • cfl.dropboxstatic.com
  • edge.cofra.me
  • fjord.dropboxstatic.com
Other recorded API calls 1
  • document.cookie.read3 calls
Source record and integrity
Original source
results/headless/dropbox-com-20261022T222037.json
Original file SHA-256
94f01f35033a59e8f16cc81ab3cc98656785792576873117334b31b70b674aeb

Run ID: research-94f01f35033a. The JSON contains sanitized observations, not the original private scan payload.

Other scan attempts (3)

Research setup

Navigation failed

Navigation failed

Canvas: UnmeasuredWebGL: UnmeasuredAudio: UnmeasuredFonts: UnmeasuredDevice: Unmeasured
Measurement
Navigation failed
Page context
Page not measured
Scan time
2026-10-21T21:19:11.919884Z
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/dropbox-com-20261021T211911.json
Original file SHA-256
03a1c2656271cd2498cc1e7ba57e94dbe90fd4008e11afbf3492efd08b3a0cca

Run ID: research-03a1c2656271. 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
2026-10-22T18:00:31.470927Z
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/dropbox-com-20261022T180031.json
Original file SHA-256
8fd07b8a56e7fb055725798fba7a6a980ecfe5c07962e2ea2750d547485e7140

Run ID: research-8fd07b8a56e7. 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
2026-10-22T21:38:00.906197Z
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/dropbox-com-20261022T213800.json
Original file SHA-256
9da742b3e5fb813fe2d749bdeba9fc4a02cd737f1d5a98860e67e1d983c7e777

Run ID: research-9da742b3e5fb. 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 →