Baseline visit v1 schema · facts legacy-derived · descriptive report

www.bbc.com

https://www.bbc.com/

Aug 7, 2026, 4:01 AM UTC

complete; derived from status and warnings

Public corrections ledger · SBL-CORR-2026-002

This report has a reviewed clarification

SBL-CORR-2026-002: The policy entity matcher did not recognize Amazon and Oracle under their catalog names. An unmentioned-entity result for Amazon Ads or Oracle Advertising is not reliable evidence that the policy omitted the company. Original policy text was not retained, so individual mention results cannot be reconstructed. Consult all clarification events for this report.

Read the public review record

Scan report ready for www.bbc.com: 444 recorded request rows.

Comparison Reportv1 schema · facts legacy-derived · descriptive report

Brave-list blocking off/on comparison

https://www.bbc.com/ (opens in a new tab)
ShareDownloads the No blocking visit's request CSV, source report and correction context in a ZIP. Follows the evidence switcher below.PDF + evidence (opens in a new tab)Downloads a ZIP containing the PDF for every recorded visit, exact source JSON, correction context and file hashes. The scanner renders it on request.

What this actually means

bbc.com recorded 325 fewer third-party requests in the visit configured for Brave-list blocking.

SBL-CORR-2026-002: The policy entity matcher did not recognize Amazon and Oracle under their catalog names. An unmentioned-entity result for Amazon Ads or Oracle Advertising is not reliable evidence that the policy omitted the company. Original policy text was not retained, so individual mention results cannot be reconstructed. Consult all clarification events for this report.

20tracking-service entities
429cross-site requests
99third-party cookie records

Plain-Language Findings

What this visit means

Unfamiliar terms are defined in the glossary
playwright-chromium

Review-worthy

Bottom line: this visit has review-worthy signals

The scan observed signals a non-expert should not have to decode from raw request tables.

The cards below translate the evidence into plain language; severity reflects fixed reference thresholds, not measured population percentiles. The request log, domain table, and methodology remain below for verification.

444 requests observed in one controlled visit.

Worth checking

196 requests matched Brave Shields filter lists

196 requests matched the default filter lists of Brave Shields, the ad and tracker blocker built into the Brave browser, while loading normally.

Computed with Brave's own ad-block engine and default filter lists in classification mode: matched requests were not blocked by the scanner and remain in this report's observed request counts. Matching shows what Shields would target on this visit's traffic; an actual Shields visit blocks these and also prevents their follow-on requests, so this number is neither a measured block count nor the total effect.

The hand-curated service catalog separately matched 142 request rows in this visit.Show matched requests

Nothing observed

Lower values observed across comparable metrics in the Brave-list blocking attempt

With the scanner configured to apply Brave's ad-block engine and default Shields filter lists (a simulation in this scanner's browser, not a live Brave-browser visit; application was not verified), this paired visit showed 325 fewer third-party requests, 99 fewer third-party cookies and 137 fewer tracking-related service requests.

Services only seen in the unblocked visit: Google, Magnite and PubMatic, plus 16 others. The blocking visit's engine directly blocked 21 requests; the remaining difference may include follow-on requests that never started once their sources were blocked. A single paired comparison can also reflect run-to-run variance (ad rotation, caching, experiments), so treat this as an observed difference, not a measured blocking rate.

Signed per-metric differences between the two visits; nothing is summed across metrics.Show matched requests

Worth checking

1 first-party DNS alias matched tracking checks

1 resolved target matched Brave filter lists; those matches do not identify the operators.

The scanner followed DNS CNAME chains from first-party subdomains and checked resolved targets against the service catalog and Brave filter lists. These matches do not establish a request's purpose, profiling, or an intent to conceal tracking. A filter-list match alone is not a verified service identity or proof of tracking.

{label}.api.bbc.com → {label}.at-o.net (Brave filter-list match; operator unverified)Open domain evidence

Context

Tracking companies the privacy policy does not appear to name

Magnite, PubMatic and The Trade Desk, plus 8 others were sent requests during this visit, but the policy text matched none of the names this scan knows those companies by.

Policies often disclose vendor categories rather than company names, so an unnamed vendor is a transparency gap worth reviewing, not automatically a violation. Named in the policy: Google, DoubleVerify and Nielsen.

Policy at https://www.bbc.com/{seg}/privacy-policy; 0 checkable statements matched; 3 of 14 observed tracking companies named in the policy; policy mentions of Amazon Ads are unknown because the historical alias matcher was incomplete.

Review-worthy

Catalogued service domains recorded responses during this visit

Google, Magnite and PubMatic, plus 17 others appeared in the request log.

A catalog match identifies a maintainer-reviewed service/domain mapping; it does not establish why an individual request occurred, what it carried, or whether profiling happened. Functional catalog labels include advertising, advertising / supply-side platform and advertising measurement / verification. This scan could not identify 54 of the 85 third-party hosts recorded here, so it cannot say who operates them. That is a limit of identity coverage, not evidence about the site. The role taxonomy leaves at least one catalog category unclassified for these identified services and assigns none a tracking-related role, so they are not counted as tracking-related: Optimizely.

429 cross-site requests across 85 third-party hosts.High distinct tracking-service entities count (at or above the 12 reference threshold).Show third-party requests

Context

Requests were dispatched to catalogued major-platform domains

This visit dispatched requests to catalogued domains for Google and LinkedIn.

The domain matches identify services, not the requests' purpose, payload, or whether any profile linking occurred.

37 requests to these platforms.Show catalog-matched requests

Nothing observed

No Google Analytics observed

This visit did not contact Google Analytics.

Neither Google Analytics nor its remarketing sync was observed in this visit.

No google-analytics.com or googletagmanager.com requests.Show catalog-matched requests

Review-worthy

Third-party cookies were present

99 third-party cookies showed up during the visit.

The scanner observed cookie metadata whose domain crossed the scanned site's registrable-domain boundary. This report does not retain cookie values or partition keys, so it does not establish whether a cookie was a persistent identifier or could recognize a visitor across sites.

132 cookies total in this report.High third-party cookies count (at or above the 12 reference threshold).

Context

Input-monitoring signal involving a third-party script

Listener coverage that could observe typing-related input events was registered through call chains that included a third-party script.

This is a behavioral instrumentation signal from listener registration, stack-attributed script origins, and known-vendor requests: it shows the page was instrumented to observe interaction, not that anything was transmitted. Stack attribution records the script origins present in the bounded registration call chain; a cross-site origin in that chain does not by itself establish that the cross-site script registered the listener, because first-party code can register its own listeners through a helper served from elsewhere. A different registrable domain is also not by itself a different operator: sites commonly serve their own scripts from a separate asset domain, so the card says third party only when the catalog or reviewed ownership attributes an origin to another organization. On scanners that run the active keystroke-capture probe, actual transmission is tested separately (a synthetic value is typed, never real input, and no typed values are collected); treat this card as a review prompt rather than proof.

307 interaction-listener registrations with https://cdn.cxense.com/, https://cdn.doubleverify.com/ and https://cdn.permutive.com/, plus 8 others in the registration call chain and 99 input-listener registrations with https://cdn.cxense.com/, https://cdn.doubleverify.com/ and https://cdn.speedcurve.com/, plus 4 others in the registration call chain

Nothing observed

No fingerprint-like API calls observed

The scan did not observe the instrumented high-entropy browser APIs.

This is an observation layer, not proof that fingerprinting is impossible.

0 API families recorded.

Brave Shields Comparison

No blocking → Brave-list blocking delta

No blocking: 10,700msBrave-list blocking: 4,095ms
Some deltas are not comparable across these two visits and are not shown.
  • Other detector and causal-path deltas (each visit's own evidence still renders below): v1 never recorded detector versions, so fingerprinting and pixel deltas cannot be proven to come from matching instrumentation.
  • The Shields-number delta (each visit's own evidence still renders below): The two visits measured different Shields quantities (filter-list matches vs engine-blocked requests), which must never share a delta.
  • Fingerprinting deltas (each visit's own evidence still renders below): At least one visit did not complete the fingerprint measurement, so no exact cross-visit delta is shown.
  • Ad-pixel deltas (each visit's own evidence still renders below): At least one visit did not complete the pixel measurement, so no exact cross-visit delta is shown.
Requests-334No blocking: 444 · Brave-list blocking: 110
Third-party requests-325No blocking: 429 · Brave-list blocking: 104
Third-party domains-75No blocking: 85 · Brave-list blocking: 10
Cookies-123No blocking: 132 · Brave-list blocking: 9
Third-party cookies-99No blocking: 99 · Brave-list blocking: 0
Storage keys-72No blocking: 73 · Brave-list blocking: 1
Catalog-matched requests-140No blocking: 142 · Brave-list blocking: 2

Every signed change is Brave-list blocking minus No blocking. A positive or negative direction is descriptive, not a judgment that the result is better or worse.

Cookie and storage count deltas include every observation. Name-level lists show only reviewed names; unreviewed names are not itemized because they can contain identifiers.

Largest per-domain request-count changes

*.the-ozone-project.comunlabeled third partyNo blocking: 20 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-20
*.*.doubleclick.netGoogle · advertisingNo blocking: 19 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-19
*.gumgum.comunlabeled third partyNo blocking: 15 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-15
*.googlesyndication.comGoogle · advertisingNo blocking: 14 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-14
pixel.rubiconproject.comMagnite · advertising / supply-side platformNo blocking: 14 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-14
*.pubmatic.comPubMatic · advertising / supply-side platformNo blocking: 13 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-13
*.rubiconproject.comMagnite · advertising / supply-side platformNo blocking: 13 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-13
*.covatic.iounlabeled third partyNo blocking: 12 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-12
*.cloudflare.comunlabeled third partyNo blocking: 11 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-11
*.piano.iounlabeled third partyNo blocking: 11 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-11
*.doubleverify.comDoubleVerify · advertising measurement / verificationNo blocking: 11 · Brave-list blocking: 1Show No blocking requests · Show Brave-list blocking requests-10
api.permutive.comunlabeled third partyNo blocking: 10 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-10
*.api.bbc.comfirst partyNo blocking: 14 · Brave-list blocking: 5Show No blocking requests · Show Brave-list blocking requests-9
*.analytics.yahoo.comunlabeled third partyNo blocking: 9 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-9
*.*.api.bbc.co.ukunlabeled third partyNo blocking: 7 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-7
*.adsrvr.orgThe Trade Desk · advertising / demand-side platformNo blocking: 7 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-7
*.cxense.comunlabeled third partyNo blocking: 7 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-7
*.undertone.comunlabeled third partyNo blocking: 7 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-7
cdn.privacy-mgmt.comunlabeled third partyNo blocking: 7 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-7
*.amazon-adsystem.comAmazon Ads · advertisingNo blocking: 6 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-6
*.adtrafficquality.googleunlabeled third partyNo blocking: 5 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-5
*.dotmetrics.netunlabeled third partyNo blocking: 5 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-5
*.openx.netOpenX · advertising / exchangeNo blocking: 4 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-4
cdn.doubleverify.comDoubleVerify · advertising measurement / verificationNo blocking: 4 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-4
static.files.bbci.co.ukunlabeled third partyNo blocking: 75 · Brave-list blocking: 72Show No blocking requests · Show Brave-list blocking requests-3
*.*.bidr.iounlabeled third partyNo blocking: 3 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-3
*.*.stackadapt.comStackAdapt · advertising / demand-side platformNo blocking: 3 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-3
*.adform.netunlabeled third partyNo blocking: 3 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-3
*.adnxs.comunlabeled third partyNo blocking: 3 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-3
*.ads.linkedin.comLinkedIn · social / advertising pixelNo blocking: 3 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-3
*.bidswitch.netunlabeled third partyNo blocking: 3 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-3
*.rlcdn.comLiveRamp · identity / advertisingNo blocking: 3 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-3
*.scorecardresearch.comComscore · audience measurementNo blocking: 3 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-3
ads.pubmatic.comPubMatic · advertising / supply-side platformNo blocking: 3 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-3
cdn.cxense.comunlabeled third partyNo blocking: 3 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-3
creativecdn.comunlabeled third partyNo blocking: 3 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-3
*.3lift.comTripleLift · advertising / supply-side platformNo blocking: 2 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-2
*.casalemedia.comIndex Exchange · advertising / exchangeNo blocking: 2 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-2
*.crwdcntrl.netLotame · advertising / data managementNo blocking: 2 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-2
*.demdex.netAdobe · analytics / advertisingNo blocking: 2 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-2
*.imrworldwide.comNielsen · audience measurementNo blocking: 2 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-2
*.ipredictive.comunlabeled third partyNo blocking: 2 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-2
*.mparticle.comunlabeled third partyNo blocking: 2 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-2
*.outbrain.comOutbrain · advertising / recommendationsNo blocking: 2 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-2
*.webcontentassessor.comunlabeled third partyNo blocking: 2 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-2
ads.betweendigital.comunlabeled third partyNo blocking: 2 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-2
bidberry.netunlabeled third partyNo blocking: 2 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-2
cdn.permutive.comunlabeled third partyNo blocking: 2 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-2
cdn.undertone.comunlabeled third partyNo blocking: 2 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-2
pixel.onaudience.comunlabeled third partyNo blocking: 2 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-2
pixel.tapad.comunlabeled third partyNo blocking: 2 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-2
www.google.comunlabeled third partyNo blocking: 2 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-2
cdn.optimizely.comOptimizely · experimentationNo blocking: 2 · Brave-list blocking: 1Show No blocking requests · Show Brave-list blocking requests-1
*.*.googlesyndication.comGoogle · advertisingNo blocking: 1 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-1
*.a-mo.netunlabeled third partyNo blocking: 1 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-1
*.analytics.rlcdn.comLiveRamp · identity / advertisingNo blocking: 1 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-1
*.cdn.optimizely.comOptimizely · experimentationNo blocking: 1 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-1
*.chartbeat.netChartbeat · audience analyticsNo blocking: 1 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-1
*.connatix.comunlabeled third partyNo blocking: 1 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-1
*.contextweb.comunlabeled third partyNo blocking: 1 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-1
*.cootlogix.comunlabeled third partyNo blocking: 1 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-1
*.deepintent.comunlabeled third partyNo blocking: 1 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-1
*.dv.techunlabeled third partyNo blocking: 1 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-1
*.kargo.comunlabeled third partyNo blocking: 1 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-1
*.loopme.meunlabeled third partyNo blocking: 1 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-1
*.optimizely.comOptimizely · experimentationNo blocking: 1 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-1
*.prmutv.counlabeled third partyNo blocking: 1 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-1
*.simpli.fiunlabeled third partyNo blocking: 1 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-1
*.smartadserver.comEquativ · advertising / supply-side platformNo blocking: 1 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-1
*.socdm.comunlabeled third partyNo blocking: 1 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-1
ads.undertone.comunlabeled third partyNo blocking: 1 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-1
ads.yieldmo.comunlabeled third partyNo blocking: 1 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-1
cdn.speedcurve.comunlabeled third partyNo blocking: 1 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-1
edigitalsurvey.comunlabeled third partyNo blocking: 1 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-1
onetag-sys.comunlabeled third partyNo blocking: 1 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-1
pippio.comunlabeled third partyNo blocking: 1 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-1
secure.adnxs.comunlabeled third partyNo blocking: 1 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-1
static.chartbeat.comChartbeat · audience analyticsNo blocking: 1 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-1
static.cloudflareinsights.comCloudflare · web analyticsNo blocking: 1 · Brave-list blocking: 0Show No blocking requests · Show Brave-list blocking requests-1

Domains only with Brave-list blocking

No domain changes observed.

Domains only with No blocking

*.the-ozone-project.comunlabeled · Show No blocking requests20
*.*.doubleclick.netGoogle · advertising · Show No blocking requests19
*.gumgum.comunlabeled · Show No blocking requests15
*.googlesyndication.comGoogle · advertising · Show No blocking requests14
pixel.rubiconproject.comMagnite · advertising / supply-side platform · Show No blocking requests14
*.pubmatic.comPubMatic · advertising / supply-side platform · Show No blocking requests13
*.rubiconproject.comMagnite · advertising / supply-side platform · Show No blocking requests13
*.covatic.iounlabeled · Show No blocking requests12
*.cloudflare.comunlabeled · Show No blocking requests11
*.piano.iounlabeled · Show No blocking requests11
api.permutive.comunlabeled · Show No blocking requests10
*.analytics.yahoo.comunlabeled · Show No blocking requests9
*.*.api.bbc.co.ukunlabeled · Show No blocking requests7
*.adsrvr.orgThe Trade Desk · advertising / demand-side platform · Show No blocking requests7
*.cxense.comunlabeled · Show No blocking requests7
*.undertone.comunlabeled · Show No blocking requests7
cdn.privacy-mgmt.comunlabeled · Show No blocking requests7
*.amazon-adsystem.comAmazon Ads · advertising · Show No blocking requests6
*.adtrafficquality.googleunlabeled · Show No blocking requests5
*.dotmetrics.netunlabeled · Show No blocking requests5
*.openx.netOpenX · advertising / exchange · Show No blocking requests4
cdn.doubleverify.comDoubleVerify · advertising measurement / verification · Show No blocking requests4
*.*.bidr.iounlabeled · Show No blocking requests3
*.*.stackadapt.comStackAdapt · advertising / demand-side platform · Show No blocking requests3
*.adform.netunlabeled · Show No blocking requests3
*.adnxs.comunlabeled · Show No blocking requests3
*.ads.linkedin.comLinkedIn · social / advertising pixel · Show No blocking requests3
*.bidswitch.netunlabeled · Show No blocking requests3
*.rlcdn.comLiveRamp · identity / advertising · Show No blocking requests3
*.scorecardresearch.comComscore · audience measurement · Show No blocking requests3
ads.pubmatic.comPubMatic · advertising / supply-side platform · Show No blocking requests3
cdn.cxense.comunlabeled · Show No blocking requests3
creativecdn.comunlabeled · Show No blocking requests3
*.3lift.comTripleLift · advertising / supply-side platform · Show No blocking requests2
*.casalemedia.comIndex Exchange · advertising / exchange · Show No blocking requests2
*.crwdcntrl.netLotame · advertising / data management · Show No blocking requests2
*.demdex.netAdobe · analytics / advertising · Show No blocking requests2
*.imrworldwide.comNielsen · audience measurement · Show No blocking requests2
*.ipredictive.comunlabeled · Show No blocking requests2
*.mparticle.comunlabeled · Show No blocking requests2
*.outbrain.comOutbrain · advertising / recommendations · Show No blocking requests2
*.webcontentassessor.comunlabeled · Show No blocking requests2
ads.betweendigital.comunlabeled · Show No blocking requests2
bidberry.netunlabeled · Show No blocking requests2
cdn.permutive.comunlabeled · Show No blocking requests2
cdn.undertone.comunlabeled · Show No blocking requests2
pixel.onaudience.comunlabeled · Show No blocking requests2
pixel.tapad.comunlabeled · Show No blocking requests2
www.google.comunlabeled · Show No blocking requests2
*.*.googlesyndication.comGoogle · advertising · Show No blocking requests1
*.a-mo.netunlabeled · Show No blocking requests1
*.analytics.rlcdn.comLiveRamp · identity / advertising · Show No blocking requests1
*.cdn.optimizely.comOptimizely · experimentation · Show No blocking requests1
*.chartbeat.netChartbeat · audience analytics · Show No blocking requests1
*.connatix.comunlabeled · Show No blocking requests1
*.contextweb.comunlabeled · Show No blocking requests1
*.cootlogix.comunlabeled · Show No blocking requests1
*.deepintent.comunlabeled · Show No blocking requests1
*.dv.techunlabeled · Show No blocking requests1
*.kargo.comunlabeled · Show No blocking requests1
*.loopme.meunlabeled · Show No blocking requests1
*.optimizely.comOptimizely · experimentation · Show No blocking requests1
*.prmutv.counlabeled · Show No blocking requests1
*.simpli.fiunlabeled · Show No blocking requests1
*.smartadserver.comEquativ · advertising / supply-side platform · Show No blocking requests1
*.socdm.comunlabeled · Show No blocking requests1
ads.undertone.comunlabeled · Show No blocking requests1
ads.yieldmo.comunlabeled · Show No blocking requests1
cdn.speedcurve.comunlabeled · Show No blocking requests1
edigitalsurvey.comunlabeled · Show No blocking requests1
onetag-sys.comunlabeled · Show No blocking requests1
pippio.comunlabeled · Show No blocking requests1
secure.adnxs.comunlabeled · Show No blocking requests1
static.chartbeat.comChartbeat · audience analytics · Show No blocking requests1
static.cloudflareinsights.comCloudflare · web analytics · Show No blocking requests1

Visible cookie names only with Brave-list blocking

No visible cookie-name changes to show; privacy-filtered names are not itemized.

Visible cookie names only with No blocking

IDE.doubleclick.netthird-party
__cf_bm.linkedin.comthird-party
li_sugr.linkedin.comthird-party
lidc.linkedin.comthird-party
__cf_bm.piano.iothird-party
receive-cookie-deprecation.rubiconproject.comthird-party
TapAd_DID.tapad.comthird-party
TapAd_TS.tapad.comthird-party

Visible storage keys only with Brave-list blocking

No visible storage-key changes to show; privacy-filtered keys are not itemized.

Visible storage keys only with No blocking

No visible storage-key changes to show; privacy-filtered keys are not itemized.

Entities only with Brave-list blocking

No entity changes observed.

Entities only with No blocking

Google3 domains34
Magnite2 domains27
PubMatic2 domains16
The Trade Desk1 domain7
Amazon Ads1 domain6
LiveRamp2 domains4
OpenX1 domain4
Comscore1 domain3
LinkedIn1 domain3
StackAdapt1 domain3
Adobe1 domain2
Chartbeat2 domains2
Index Exchange1 domain2
Lotame1 domain2
Nielsen1 domain2
Outbrain1 domain2
TripleLift1 domain2
Cloudflare1 domain1
Equativ1 domain1

Measurement limits

8 conditions affect how this evidence reads

This report

  • Brave-list blocking comparison runs should be collected under matched crawl conditions, and the blocking run is a simulation with Brave's engine and default lists in this scanner's browser, not a live Brave visit. Differences can still reflect timing, experiments, cache state, consent state, or bot detection.
  • The two visits ran in randomized order; the "Brave-list blocking" visit ran first.

Both visits

  • Each visit in this report is one automated, headless Chromium visit from a fixed en-US / UTC profile, with no scrolling, clicking, or consent interaction. Sites can behave differently for real users, browsers, regions, accounts, or network locations.
  • Counts are a lower bound: trackers that load only after interaction or consent are not observed; Service Workers are blocked, and Web Worker or WebSocket traffic may be incomplete. Service labels use a US-biased hand-curated catalog, so regional services may be under-labeled. Cookie and storage figures are an end-of-visit snapshot, with storage keys read from the top frame only.
  • Read the site's privacy policy (https://www.bbc.com/{seg}/privacy-policy) and compared its text against this visit's observed behavior. Policy checks are an automated text match with the matched sentences quoted, not a legal reading.

No blocking visit only

  • The page did not reach network idle before the scan window ended.
  • Resolved 1 first-party subdomain that is a CNAME alias for a third-party tracker (CNAME cloaking), which request-URL matching alone would miss.

Brave-list blocking visit only

  • Brave Shields block simulation was enabled; matching requests were aborted before loading and are not included in request totals.

This versioned report is currently retained in the public corpus. Follow the currently retained site history, repeat the same public route when it is available, or request a transparent evidence correction.

Report ID
20260807-779516c526b11f856da77ef462410a73
Site
www.bbc.com
Latest visit
Schema
v1 schema · facts legacy-derived · descriptive report
Verify recorded provenance

Baseline visit

Started
Run quality
complete; derived from status and warnings
Scanner
playwright-chromium
Browser
151.0.7922.34
Redaction
not recorded by this schema
Provenance
Exact build and instrument digests were not recorded by this legacy schema.

Variant visit

Started
Run quality
complete; derived from status and warnings
Scanner
playwright-chromium
Browser
151.0.7922.34
Redaction
not recorded by this schema
Provenance
Exact build and instrument digests were not recorded by this legacy schema.

Recorded provenance is self-reported measurement metadata, not a cryptographic attestation. The public versioned report JSON contains the retained public evidence; see the methodology for interpretation and retention limits.

This report covers what the scanner measures, not everything a site can do. 16 browser surfaces are not instrumented at all (Every page except the one that was scanned; Anything that only loads after scrolling or interaction; Why a request happened, as a causal chain; and 13 others), 3 capabilities are declined by policy, and 3 are outside what any single visit can see. Their absence from this report is not evidence that they did not occur. Read the published coverage boundary.

Detector accuracy is unmeasured. No calibration study currently publishes a precision or recall for the detectors on this page, so a detector match here is a recorded observation, not a calibrated classification. How detector accuracy is measured.

Approved use boundary: This report is investigative evidence that requires independent corroboration. It is not a standalone legal determination and not the sole exhibit in a legal proceeding. Recorded in this project's release manifest on .