747 sites tagged mostly uk, largest first. Add a second tag, a network or a traffic floor to narrow it.
PublisherPlatformCategory
rightmove.co.ukRTM77,611,154#249React$1.7M1999 27ybusiness_and_consumer_services/real_estate
hotukdeals.comAtolls20,113,138#2,937WordPress$281K2004 22ye-commerce_and_shopping/coupons_and_rebates
company-information.service.gov.ukamine rabai17,664,207$418Kfinance/banking_credit_and_lending
mumsnet.com17,639,948#2,539$181K2000 26ynews_and_media
gbnews.comGB News Limited13,844,503#5,300Vue.js$141K2003 23ynews_and_media
espn.co.ukThe Walt Disney Company9,517,025#7,592$94K1997 29ysports/sports
nationalrail.co.ukTrain Information Services Limited9,208,309#6,287Next.js$153K1997 29ytravel_and_tourism/ground_transportation
tattle.lifeKUMQUAT TREE LIMITED8,588,630#5,393$192K2018 8ycomputers_electronics_and_technology/social_networks_and_online_communities
pickmypostcode.comPick Media Ltd8,298,190#7,142WordPress$118K2017 9ye-commerce_and_shopping/e-commerce_and_shopping
cryptodaily.co.uk7,418,848#284,086$218K2017 9yfinance/investing
bustimes.org7,066,439#5,606$120K2013 13ytravel_and_tourism/ground_transportation
freecycle.orgFRCYCL5,875,481#10,409$106K2003 23yhome_and_garden/home_and_garden
oddschecker.com5,222,141#11,017Angular$49K2000 26ygambling/sports_betting
footballfancast.comValnet Inc5,126,302#16,907WordPress$51K2006 19ysports/soccer
physicsandmathstutor.comGosici Services Ltd3,952,502#13,052WordPress$53K2012 13yscience_and_education/education
lse.co.ukLondon South East Limited3,914,548#16,744$99K1998 28yfinance/investing
designmynight.comDSNMN3,698,384#16,010$52K2009 16yfood_and_drink/restaurants_and_delivery
redcafe.net3,527,264#19,467$38K1999 27ysports/soccer
bfi.org.ukBritish Film Institute3,451,154#14,837$31K1995 31yarts_and_entertainment/tv_movies_and_streaming
tvguide.co.ukSpeakeasy Media Ltd3,314,854#18,393Next.js$34K1997 29yarts_and_entertainment/tv_movies_and_streaming
followfollow.comSnack Media3,040,798#20,485WordPress$35K2000 26ysports/soccer
realtimetrains.co.ukSWlines LTD2,976,475#14,291$50K2012 13ytravel_and_tourism/ground_transportation
checkatrade.comCHCKAT2,628,695#19,006Next.js$36K2003 22yhome_and_garden/home_and_garden
metcheck.com2,618,088#26,340$53K2000 25yscience_and_education/weather
propertypal.comPropertyPal.com Ltd2,514,251#9,897$52K2002 24ybusiness_and_consumer_services/real_estate
brsgolf.com2,502,065#22,596WordPress$30K2004 22ysports/golf
londoninsider.co.ukSuliman Mulhem2,363,930#1,713,248WordPress$32K2022 3ynews_and_media
sportwitness.co.ukSPRTWT2,292,936#37,480WordPress$27K2010 16ysports/soccer
what3words.comwhat3words Limited2,161,078#24,109Next.js$39K2013 13ycomputers_electronics_and_technology/computers_electronics_and_technology
xcweather.co.ukDavid Billington2,073,600#38,674$40K2000 26yscience_and_education/weather
thesalarycalculator.co.ukMu Beta Ltd2,041,129#29,592$52K2005 21yfinance/financial_planning_and_management
funeraltimes.comFNRLT2,007,845#34,447$20K2003 23ycommunity_and_society/decease
dayoutwiththekids.co.ukDay Out With The Kids1,999,337#27,707WordPress$32K2006 20ytravel_and_tourism/travel_and_tourism
nufc.com1,950,999#44,777$22K1996 30ysports/soccer
192.com192COM1,927,051#27,083$21K1997 29yreference_materials/public_records_and_directories
freeads.co.ukFREADS1,911,305#25,455$27K1995 31ye-commerce_and_shopping/classifieds
twtd.co.ukTWTDCO1,903,196#25,074$22K1997 29ysports/soccer
wheresthematch.comwheresthematch.com1,896,780#34,023$16K2007 18ysports/sports
twickets.liveTwickets Ltd1,662,048#26,772$24K2017 9ye-commerce_and_shopping/tickets
marieclaire.co.ukFuture PLC1,655,260#31,380$21K1998 28ylifestyle/fashion_and_apparel
claretandhugh.infoHugh Southon1,577,783#48,061WordPress$18Ksports/soccer
order-order.com1,498,226#57,937WordPress$16K2004 21ynews_and_media
radio-uk.co.ukAPPGEN1,379,337#49,242$13K2017 8yarts_and_entertainment/music
ents24.comEnts24 Ltd1,268,294#51,106Nuxt$13K1999 26yarts_and_entertainment/arts_and_entertainment
janespatisserie.comJane Dunn1,253,564#48,722WordPress$14K2014 11yfood_and_drink/cooking_and_recipes
smartsurvey.co.ukSmartSurvey Ltd1,231,060#37,669$16K2009 16ybusiness_and_consumer_services/marketing_and_advertising
sunderlandecho.com360player.com1,167,996#61,110$12K1999 26ynews_and_media
pieandbovril.com1,160,035#43,704$13K2003 22ysports/soccer
whatsonstage.comInstaread Inc1,139,745#58,792WordPress$12K1997 29yarts_and_entertainment/performing_arts·Page 1 of 15·747 publishers
Tags come from the domain, the homepage title and the search terms SimilarWeb measures driving the traffic.