49s.co.uk
Heavy tracking seen
0/100
- 15 tracking companies were seen loading before any choice was made
- 22 tracking companies were seen after we clicked reject
- The banner asked visitors to accept 952 ad-industry “partners”
- 28 cross-site tracking companies were seen after accepting
- A session-recording service was seen (Hotjar)
Where the data went
From our checker in London to 21 tracker server locations in 9 countries. Drag to spin.
- Advertising
- Data broker
- Session recording
- Analytics
- Social
- Our checker (London)
Server locations
Tap one to find it on the globe
Companies
Who showed up
- 01CCriteoRetargeting ad network · Paris · servers in Paris, GroningenAdvertisingBeforeAfter rejectAfter accept
- 02EEpsilonMarketing data (data broker) · Irving, TX · servers in Frankfurt am MainData brokerBeforeAfter rejectAfter accept
- 03GGoogleAd network, analytics and search · Mountain View · servers in Dublin, Palo AltoAdvertisingBeforeAfter rejectAfter accept
- 04IIndex ExchangeAd exchange · Toronto · servers in Toronto (Old Toronto)AdvertisingBeforeAfter rejectAfter accept
- 05IInMobiMobile ads · Bengaluru · servers in Seattle (South Lake Union), Frankfurt am MainAdvertisingBeforeAfter rejectAfter accept
- 06LLiveRampIdentity graph (data broker) · San Francisco · servers in Seattle (South Lake Union)Data brokerBeforeAfter rejectAfter accept
- 07MMagniteAd exchange · Los Angeles · servers in Boston, AshburnAdvertisingBeforeAfter rejectAfter accept
- 08MMicrosoftAd network and analytics · Redmond · servers in Doylestown, DublinAdvertisingBeforeAfter rejectAfter accept
- 09PPubMaticAd exchange · Redwood City · servers in Singapore, ParisAdvertisingBeforeAfter rejectAfter accept
- 10TThe Trade DeskAd buying platform and identity (UID2) · Ventura · servers in Seattle (South Lake Union), Toronto (Old Toronto)AdvertisingBeforeAfter rejectAfter accept
- 11TTripleLiftAd exchange (native ads) · New York · servers in Frankfurt am MainAdvertisingBeforeAfter rejectAfter accept
- 12YYahooAd network · New York · servers in LondonAdvertisingBeforeAfter rejectAfter accept
- 13AAmazon AdsAd network · Seattle · servers in London, Seattle (South Lake Union)AdvertisingBeforeAfter rejectAfter accept
- 14HHotjarSession recording and heatmaps · St Julian’s · servers in Dusseldorf, LondonSession recordingBeforeAfter rejectAfter accept
- 15IID5Shared ad identity · London · servers in Montreal, RoubaixData brokerBeforeAfter rejectAfter accept
- 16333AcrossAd exchange and identity · New York · servers in New YorkAdvertisingBeforeAfter rejectAfter accept
- 17AAdformAd platform · Copenhagen · servers in CopenhagenAdvertisingBeforeAfter rejectAfter accept
- 18AAdobeMarketing analytics and ad platform · San Jose · servers in London, AshburnAdvertisingBeforeAfter rejectAfter accept
- 19EEquativAd exchange · Paris · servers in Toronto (Old Toronto), AmsterdamAdvertisingBeforeAfter rejectAfter accept
- 20GGumGumContextual ads · Santa Monica · servers in DublinAdvertisingBeforeAfter rejectAfter accept
- 21MMedia.netContextual ads · Dubai · servers in Kansas City, ParisAdvertisingBeforeAfter rejectAfter accept
- 22OOpenXAd exchange · Pasadena · servers in Kansas CityAdvertisingBeforeAfter rejectAfter accept
- 23RRTB HouseRetargeting ad network · Warsaw · servers in AmsterdamAdvertisingBeforeAfter rejectAfter accept
- 24SSovrnAd exchange · Boulder · servers in DublinAdvertisingBeforeAfter rejectAfter accept
- 25TTeadsContent recommendation and video ads · New York · servers in Dublin, ChicagoAdvertisingBeforeAfter rejectAfter accept
- 26CCloudflare Web AnalyticsWeb analytics (cookieless) · San Francisco · servers in MontrealAnalyticsBeforeAfter rejectAfter accept
- 27LLotameData platform (data broker) · Columbia, MD · servers in DublinData brokerBeforeAfter rejectAfter accept
- 28QQuantcastAudience data and ads · San Francisco · servers in AshburnAdvertisingBeforeAfter rejectAfter accept
- 29SShareThisShare buttons and audience data · Palo Alto · servers in DublinSocialBeforeAfter rejectAfter accept
From our last check on 27 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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