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A/B testing

VWO market share in the UK

VWO runs on 1.5% of UK websites in our sample (175 of 11,909). Market share by country, top sites using it and technologies it is paired with.

1.5%
Share in United Kingdom
175 / 11,909
0
sites in Tranco top 1K
2 in top 10K
#349,925
median Tranco rank
Tranco
0.1%
Among local business websites
25 / 21,114
16
frequent companions
Google Tag Manager

By market

  1. United Kingdom1.5%175
  2. Global1.6%1,118
  3. Netherlands2.2%191
  4. Italy0.3%26
  5. Spain1%47
  6. Japan0.4%44
  7. Latin America0.9%191

Trend

Often used with

  1. Google Tag ManagerTag managers91%×2.1
  2. jQueryJavaScript libraries50%
  3. BootstrapCSS frameworks47%
  4. CloudflareCDN42%
  5. Google FontsWeb fonts30%
  6. OneTrustCookie consent (CMP)26%×4.8
  7. TrustpilotReviews25%×2.9
  8. Google reCAPTCHACAPTCHA23%
  9. WordPressCMS22%
  10. jsDelivrCDN18%×1.6

Top sites using VWO All 175 sites

TrancoSiteAlso usesHosting
1,227rightmove.co.uk ExpressGoogle Cloud CDN / GFEGoogle Tag ManagerOneTrustVarnish Fastly
7,283york.ac.uk CloudflareGoogle Tag Manager Janet Jisc Services Limited
10,630inews.co.uk Google Marketing Platform (DV360/CM360)JetpackLodashnginxGoogle reCAPTCHAMagnite (Rubicon) Automattic (WordPress.com)
11,474qmul.ac.uk Amazon CloudFrontGoogle Tag ManagerjQueryLinkedIn Insight TagTailwind CSS Amazon Web Services
15,264london.gov.uk Alpine.jsCloudflareCivic Cookie ControlDrupalGoogle FontsGoogle Tag Manager Cloudflare
15,768iwm.org.uk CloudflareDrupal 11Google Tag ManagerjQuery Cloudflare
19,652port.ac.uk AcquiaAlgoliaBootstrapCloudflareCookieFirstDrupal 10 Amazon Web Services
20,904yougov.co.uk Angular 21.2.7EnvoyfluctGoogle Tag ManagerImperva (Incapsula)New Relic Imperva
25,696macmillan.org.uk Azure App ServiceBootstrapGoogle Tag ManagerOneTrustSitecore Microsoft Azure
30,409diabetes.org.uk AddToAnycdnjsDrupal 11Font AwesomeGoogle Tag ManagerjQuery Fastly
33,075lawsociety.org.uk Google AdSenseBootstrap 4.0.0Microsoft ClarityCloudflare Web AnalyticsCivic Cookie ControlGoogle Marketing Platform (DV360/CM360) Microsoft Azure
36,727woodlandtrust.org.uk ASP.NETAzure Front Door / CDNcdnjsGoogle Tag ManagerjQuery 3.7.1jQuery UI Microsoft Azure
38,033easyfundraising.org.uk cdnjsCloudflareCloudflare Bot ManagementCloudflare Web AnalyticsFont AwesomeGoogle Tag Manager Cloudflare
41,735prospects.ac.uk ASP.NETBootstrapcdnjsCloudflareCloudflare Bot ManagementGoogle Fonts Cloudflare
45,404topcashback.co.uk ASP.NETBootstrapAmazon CloudFrontConvertCrazy EggGoogle Marketing Platform (DV360/CM360) Amazon Web Services
47,429salesfire.co.uk Adobe FontsBootstrapCloudflareCloudflare Bot ManagementCookiebot (Usercentrics)core-js Cloudflare
48,107westminster.gov.uk BootstrapAmazon CloudFrontDrupal 11Font AwesomeGoogle FontsGoogle Tag Manager Amazon Web Services
49,012uel.ac.uk AcquiaAkamaiBootstrapDrupal 11Font AwesomeGoogle Tag Manager Amazon Web Services
51,699greenpeace.org.uk BootstrapCookieYescore-jsFont AwesomeGoogle Tag ManagerGutenberg blocks Sucuri
55,065unison.org.uk AcquiaCloudflareCloudflare Bot ManagementCivic Cookie ControlDrupal 11Google Tag Manager Cloudflare
55,564royalparks.org.uk AcquiaAlpine.jsDrupal 11Google Tag ManagerjQueryOneTrust Amazon Web Services
56,105parkers.co.uk Amazon CloudFrontGoogle Tag Managernginx 1.28.1ReactGoogle reCAPTCHASourcepoint Amazon Web Services
57,184appliancesdirect.co.uk Adobe FontsAfterpay / ClearpayAngularJSASP.NETBootstrapFeefo Fastly
57,760canalrivertrust.org.uk CloudflareCloudflare Web AnalyticsCookiebot (Usercentrics)Google Tag ManagerMarketoPlausible Cloudflare
59,434postcodelottery.co.uk Amazon CloudFrontNext.jsReactStoryblokSwiperTailwind CSS Amazon Web Services

Our crawler: 11,909 sites · United Kingdom · updated 23 Oct 2026 · Methodology

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