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Blocks an AI crawler 10%Blocks GPTBot 9.6%ads.txt 22%Cookie consent banner 19%Ad pixels 23%llms.txt 15%HTTPS homepage 98%DMARC record 64%Blocks an AI crawler 10%Blocks GPTBot 9.6%ads.txt 22%Cookie consent banner 19%Ad pixels 23%llms.txt 15%HTTPS homepage 98%DMARC record 64%
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A/B testing

Optimizely usage worldwide

Optimizely runs on 0.6% of websites worldwide in our sample (436 of 68,769). Market share by country, top sites using it and technologies it is paired with.

0.6%
Share in Global
436 / 68,769
9
sites in Tranco top 1K
70 in top 10K
#32,308
median Tranco rank
Tranco
16
frequent companions
Google Tag Manager

By market

  1. Global0.6%436
  2. United Kingdom0.5%54
  3. Netherlands0.3%24
  4. Italy0.2%15
  5. Spain0.4%16
  6. Japan0.1%13
  7. Latin America<0.1%20

Trend

Often used with

  1. Google Tag ManagerTag managers76%×2
  2. CloudflareCDN42%
  3. OneTrustCookie consent (CMP)36%×5.8
  4. jQueryJavaScript libraries32%
  5. BootstrapCSS frameworks26%
  6. Google FontsWeb fonts25%
  7. ReactWeb frameworks24%×2
  8. Next.jsWeb frameworks20%×2
  9. WordPressCMS18%
  10. Cloudflare Bot ManagementSecurity & bot protection17%

Top sites using Optimizely All 436 sites

TrancoSiteAlso usesHosting
68zoom.usCloudflareCloudflare Bot ManagementGoogle Tag ManagerOneTrustSwiperCloudflare
115bit.lyGoogle Cloud CDN / GFEGoogle Tag ManagernginxOneTrustUserWayWordPressGoogle Cloud
297salesforce.comAkamai Bot ManagerAkamaiContentfulGoogle FontsGoogle Tag ManagerOneTrustAkamai
363gitlab.comBootstrapCloudflareMarketoNuxtOneTrustVue.jsCloudflare
587klaviyo.comAstroCloudflareGoogle Tag ManagerHubSpotKlaviyoGoogle reCAPTCHAAmazon Web Services
678optimizely.comGoogle Tag ManagerNext.jsReactTailwind CSSVercelAmazon Web Services
757mailchimp.comAdobe Experience ManagerAkamai Bot ManagerAkamaiBugsnagOracle EloquaEnvoyAkamai
782zoom.comCloudflareCloudflare Bot ManagementGoogle Tag ManagerOneTrustSwiperAmazon Web Services
821mixpanel.comFramerGoogle Cloud CDN / GFEGoogle Tag ManagerMixpanelnginxSentryGoogle Cloud
1,070typeform.comAmplitudeCloudflareAmazon CloudFrontGoogle FontsGSAPGoogle Tag ManagerAmazon Web Services
1,713eepurl.comAdobe Experience ManagerAkamai Bot ManagerAkamaiBugsnagOracle EloquaEnvoyAkamai
1,867sky.comAdobe Experience Platform TagsAkamai Bot ManagerAkamaiGoogle Cloud CDN / GFEGoogle Tag ManagerNext.jsBskyb Broadband As
1,909clevelandclinic.orgAdobe Experience Platform TagsCloudflareCloudflare Web AnalyticsDynamics 365 Customer InsightsGoogle Tag ManagerNext.jsCloudflare
2,034ninjarmm.comMicrosoft ClarityCloudflareCloudflare Web Analyticscore-jsGoogle Tag Managerimpact.comCloudflare
2,058asu.eduAcquiaBootstrapCloudflareCloudflare Web AnalyticsDrupal 10Font AwesomeCloudflare
2,077screenconnect.comAdobe FontsASP.NETAzure App ServiceBootstrap 5.3.2CloudflareCloudflare Bot ManagementAmazon Web Services
2,125asana.comDatadog RUMGoogle Tag ManagerJotformNetlifyNext.jsOneTrustAmazon Web Services
2,185elastic.coGoogle Tag ManagerNext.jsnginxReactTailwind CSSVarnishGoogle Cloud
2,274inmotionhosting.comBootstrap 3.0.3CloudflareCloudflare Web Analyticscore-jsDiviEqualWebCloudflare
2,503webrootcloudav.comBootstrapGoogle Tag ManagerImperva (Incapsula)Next.jsReactVercelAmazon Web Services
2,563evergage.comAkamai Bot ManagerAkamaiContentfulGoogle FontsGoogle Tag ManagerOneTrustAmazon Web Services
2,625parallels.comBootstrapCloudflareDjangoFont AwesomejQuery 3.6.0MarketoCloudflare
2,655zend.comAddToAnyAlpine.jscdnjsDrupalGoogle Tag ManagerjQueryFastly
2,958zapier.comAmazon CloudFrontContentfulGoogle Tag ManagerNext.jsOneTrustReactAmazon Web Services
2,994ctvnews.caAkamaiAmazon Publisher ServicesChartbeatComscoreGoogle Marketing Platform (DV360/CM360)Google Publisher Tag (Ad Manager)Amazon Web Services

Our crawler: 68,769 sites · Global · updated Oct 23, 2026 · Methodology

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