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A/B testing

VWO market share on brand websites

VWO runs on 2.3% of brand websites in our sample (29 of 1,277). Market share by country, top sites using it and technologies it is paired with.

2.3%
Share in UK brands
29 / 1,277
1
sites in Tranco top 1K
3 in top 10K
#49,960
median Tranco rank
Tranco
16
frequent companions
Google Tag Manager

By market

  1. UK brands2.3%29
  2. United Kingdom1.4%157
  3. Global1.6%1,072

Trend

Often used with

  1. Google Tag ManagerTag managers72%
  2. OneTrustCookie consent (CMP)55%×2.1
  3. BootstrapCSS frameworks41%
  4. jQueryJavaScript libraries34%
  5. Azure Front Door / CDNCDN24%×4.7
  6. Google FontsWeb fonts24%
  7. ASP.NETWeb frameworks21%×2.8
  8. lazysizesJavaScript libraries17%×6.1
  9. UmbracoCMS17%×8.8
  10. VarnishWeb servers17%×3.2

Top sites using VWO All 29 sites

TrancoSiteAlso usesHosting
688uber.comCloudflareCloudflare Bot ManagementDriftEnvoyGoogle FontsMapboxGoogle Cloud
1,231rightmove.co.ukExpressGoogle Cloud CDN / GFEGoogle Tag ManagerOneTrustVarnishFastly
7,986clarivate.comAddToAnyBootstrapcdnjscore-jsOracle EloquaGoogle FontsFastly
10,641inews.co.ukGoogle Marketing Platform (DV360/CM360)JetpackLodashnginxGoogle reCAPTCHAMagnite (Rubicon)Automattic (WordPress.com)
17,007wendys.comAcquiacdnjsDrupal 10Google FontsGoogle Tag ManagerjsDelivrCloudflare
17,194stability.aiGoogle Tag ManagerjQuery 3.5.1jsDelivrOneTrustSquarespaceunpkgSquarespace
21,545yamaha-motor.euAdobe Experience Platform TagsAdobe Experience ManagerAmazon Web Services
21,838yougov.co.ukAngular 21.2.7fluctGoogle Tag ManagerImperva (Incapsula)New RelicOneTrustImperva
27,459virginmoney.comAdobe Experience Platform TagsBootstrapContentsquareDynatraceCrownpeak (Evidon)jQuery 3.5.1Cw Iddqd As
35,063madametussauds.comAzure Front Door / CDNGoogle Tag ManagerlazysizesOneTrustUmbracoMicrosoft Azure
64,858londoneye.comAzure Front Door / CDNGoogle FontsGoogle Tag ManagerlazysizesOneTrustOwl CarouselMicrosoft Azure
99,993poferries.comAstroMicrosoft ClarityCookiebot (Usercentrics)Google Marketing Platform (DV360/CM360)Google Tag ManagerPayPalGtt Backbone Gtt Communicati...
162,771legoland.co.ukASP.NETAzure Front Door / CDNGoogle Tag ManagerlazysizesOneTrustOwl CarouselMicrosoft Azure
201,019yodel.co.ukApache HTTP ServercdnjsMicrosoft ClarityAmazon CloudFrontCivic Cookie ControlGoogle Marketing Platform (DV360/CM360)Cw Iddqd As
266,644chilternrailways.co.ukAcquiaCloudflareDrupal 11Google Tag ManagerjQueryOneTrustAmazon Web Services
277,941biffa.co.ukASP.NETAzure Front Door / CDNBootstrapGoogle FontsGoogle Tag ManagerSitecoreMicrosoft Azure
297,913redrow.co.ukASP.NETBootstrapGoogle Tag ManagerImperva (Incapsula)OneTrustOptimizelyImperva
612,591hoaresbank.co.ukAcquiaBootstrapDrupal 11Google Analytics 4Google Tag ManagerjQueryAmazon Web Services
665,979esso.co.ukAkamai Bot ManagerAkamaiAppDynamicsBootstrapBrightcoveCoveoMicrosoft Azure
982,871cbonline.co.ukAdobe Experience Platform TagsBootstrapContentsquareDynatraceCrownpeak (Evidon)jQuery 3.5.1Cw Iddqd As
—monese.comBootstrapCloudflareGoogle FontsGoogle Tag ManagerTrustpilotWebflowCloudflare
—yorkshirewater.comAkamaiAzure App ServiceBootstrapGoogle MapsjQuery 1.11.2Akamai
—altontowers.comASP.NETAzure Front Door / CDNGoogle Tag ManagerlazysizesOneTrustOwl CarouselMicrosoft Azure
—global.weirASP.NETAzure App ServiceCloudflareGoogle FontsGoogle Tag ManagerLinkedIn Insight TagEpiserver As Optimizely Ab
—sadlerswells.comAdobe FontscdnjsAmazon CloudFrontcore-jsGoogle Tag ManagerHerokuAmazon Web Services

Our crawler: 1,277 sites · UK brands · updated 13 Nov 2026 · Methodology

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