mirror.co.uk
Heavy tracking seen
0/100
- The banner’s alternative to accepting was a paid option: “Reject and Pay”
- 3 tracking companies were seen loading before any choice was made
- 2 tracking companies were seen after we clicked reject
- The banner asked visitors to accept 979 ad-industry “partners”
- 36 cross-site tracking companies were seen after accepting
Where the data went
From our checker in London to 22 tracker server locations in 10 countries. Drag to spin.
- Advertising
- Analytics
- Data broker
- Social
- Our checker (London)
Server locations
Tap one to find it on the globe
Companies
Who showed up
- 01IInMobiMobile ads · Bengaluru · servers in Seattle (South Lake Union), Frankfurt am MainAdvertisingBeforeAfter rejectAfter accept
- 02TTaboolaContent recommendation ads · New York · servers in London, ConcordAdvertisingBeforeAfter rejectAfter accept
- 03GGoogleAd network, analytics and search · Mountain View · servers in Dublin, Palo AltoAdvertisingBeforeAfter rejectAfter accept
- 04AAmplitudeProduct analytics · San Francisco · servers in London, Frankfurt am MainAnalyticsBeforeAfter rejectAfter accept
- 05CComscoreAudience measurement · Reston · servers in DublinAnalyticsBeforeAfter rejectAfter accept
- 06AAdformAd platform · Copenhagen · servers in CopenhagenAdvertisingBeforeAfter rejectAfter accept
- 07AAdobeMarketing analytics and ad platform · San Jose · servers in Ashburn, Frankfurt am MainData brokerBeforeAfter rejectAfter accept
- 08AAmazon AdsAd network · Seattle · servers in London, Seattle (South Lake Union)AdvertisingBeforeAfter rejectAfter accept
- 09BBomboraB2B intent data · New York · servers in Kansas CityData brokerBeforeAfter rejectAfter accept
- 10CCriteoRetargeting ad network · Paris · servers in Paris, GroningenAdvertisingBeforeAfter rejectAfter accept
- 11EEpsilonMarketing data (data broker) · Irving, TX · servers in Frankfurt am MainData brokerBeforeAfter rejectAfter accept
- 12EEquativAd exchange · Paris · servers in Amsterdam, Palo AltoAdvertisingBeforeAfter rejectAfter accept
- 13EExperianCredit bureau and identity data · Dublin · servers in Kansas CityData brokerBeforeAfter rejectAfter accept
- 14GGumGumContextual ads · Santa Monica · servers in DublinAdvertisingBeforeAfter rejectAfter accept
- 15IID5Shared ad identity · London · servers in Montreal, RoubaixData brokerBeforeAfter rejectAfter accept
- 16IIndex ExchangeAd exchange · Toronto · servers in Montreal, Toronto (Old Toronto)AdvertisingBeforeAfter rejectAfter accept
- 17IIntegral Ad ScienceAd verification · New YorkAdvertisingBeforeAfter rejectAfter accept
- 18LLinkedInProfessional network and ad platform · Sunnyvale · servers in LondonAdvertisingBeforeAfter rejectAfter accept
- 19LLiveRampIdentity graph (data broker) · San Francisco · servers in Kansas CityData brokerBeforeAfter rejectAfter accept
- 20LLotameData platform (data broker) · Columbia, MD · servers in Frankfurt am Main, DublinData brokerBeforeAfter rejectAfter accept
- 21MMagniteAd exchange · Los Angeles · servers in Boston, LondonAdvertisingBeforeAfter rejectAfter accept
- 22MMedia.netContextual ads · Dubai · servers in Kansas City, ParisAdvertisingBeforeAfter rejectAfter accept
- 23MMetaSocial network and ad platform · Menlo Park · servers in DublinSocialBeforeAfter rejectAfter accept
- 24MMicrosoftAd network and analytics · Redmond · servers in Dublin, LondonAdvertisingBeforeAfter rejectAfter accept
- 25OOpenXAd exchange · Pasadena · servers in Kansas CityAdvertisingBeforeAfter rejectAfter accept
- 26PPubMaticAd exchange · Redwood City · servers in Singapore, SloughAdvertisingBeforeAfter rejectAfter accept
- 27QQuantcastAudience data and ads · San Francisco · servers in AshburnAdvertisingBeforeAfter rejectAfter accept
- 28RRTB HouseRetargeting ad network · Warsaw · servers in AmsterdamAdvertisingBeforeAfter rejectAfter accept
- 29SSeedtagContextual ads · Madrid · servers in Kansas CityAdvertisingBeforeAfter rejectAfter accept
- 30SShareThisShare buttons and audience data · Palo Alto · servers in DublinSocialBeforeAfter rejectAfter accept
- 31SSovrnAd exchange · Boulder · servers in Dublin, AshburnAdvertisingBeforeAfter rejectAfter accept
- 32TTeadsContent recommendation and video ads · New York · servers in ChicagoAdvertisingBeforeAfter rejectAfter accept
- 33TThe Trade DeskAd buying platform and identity (UID2) · Ventura · servers in Seattle (South Lake Union), Toronto (Old Toronto)AdvertisingBeforeAfter rejectAfter accept
- 34TTikTokSocial network and ad platform · Singapore · servers in LondonAdvertisingBeforeAfter rejectAfter accept
- 35TTransUnionCredit bureau and identity data · Chicago · servers in LondonData brokerBeforeAfter rejectAfter accept
- 36TTripleLiftAd exchange · New York · servers in Frankfurt am MainAdvertisingBeforeAfter rejectAfter accept
- 37XX (Twitter)Social network and ad platform · San Francisco · servers in Slough, Toronto (Old Toronto)AdvertisingBeforeAfter rejectAfter accept
- 38YYahooAd network · New York · servers in LondonAdvertisingBeforeAfter rejectAfter accept
- 39CChartbeatAudience analytics · New York · servers in Seattle (South Lake Union), AshburnAnalyticsBeforeAfter rejectAfter accept
- 40CCloudflare Web AnalyticsWeb analytics (cookieless) · San Francisco · servers in MontrealAnalyticsBeforeAfter rejectAfter accept
- 41PPianoAnalytics and paywalls · Philadelphia · servers in Montreal, BostonAnalyticsBeforeAfter rejectAfter accept
From our last check on 20 Oct 2026 from London: homepage only, three fresh visits (did nothing, clicked reject, clicked accept). Server locations are approximate, from the IP addresses we connected to. Some requests after rejecting may be strictly necessary services; this is what we observed, not proof that the site broke the law. How we check · Run this site? Ask for a re-check or add a statement
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