A/B Testing, Personalisation · crawled September 2026

Websites using Optimizely

657 of the top 216,840 websites (0.30%) use Optimizely, detected from the website's code.

Where they rank

Top 10k90
10k–50k172
50k–100k125
100k+243

Global rank in the Majestic Million.

Top countries

  • Global530
  • United Kingdom31
  • Australia21
  • Canada11
  • Germany11
  • Netherlands9
  • Sweden8
  • Japan7

From the domain's country code; .com and similar count as Global.

Often used with

Share of Optimizely sites that also use each tool.

Top 25 websites using Optimizely

RankWebsiteTitle
92bbc.comBBC Home - Breaking News, World News, US News, Sports, Business, Innovation, Climate, Culture, Travel, Video & Audio
95cnn.comBreaking News, Latest News and Videos | CNN
178npr.orgNPR - Breaking News, Analysis, Music, Arts & Podcasts : NPR
250mailchimp.comEmail & SMS Marketing Platform | Mailchimp
585zend.comEnterprise PHP Development Platform | Expert PHP Support | Zend
655parallels.comParallels | Run Windows on Mac, VDI, and Enterprise Virtualization Solutions
692sky.comDiscover TV, Broadband & Mobile Phone Packages with Sky
727asu.eduASU Homepage | Arizona State University
778heart.orgAmerican Heart Association | To be a relentless force for a world of longer, healthier lives
907hootsuite.comSocial Media Marketing and Management Tool | Hootsuite
1024routledge.comRoutledge - Publisher of Professional & Academic Books
1045bitly.comBitly | Short URLs, QR Codes, and More
1237ctvnews.caCTV News – Breaking News and Video, Canada News Today
1314ama-assn.orgAmerican Medical Association | Medical News | News for Doctors
1389cvent.comCvent | Event Platform for In-person, Virtual, and Hybrid Events & Webinars
1426aclu.orgAmerican Civil Liberties Union | The ACLU dares to create a more perfect union — beyond one person, party, or side. Our mission is to realiz
1532elastic.coElastic — The Search AI Company | Elastic
1671channel4.comChannel 4 | Stream & Watch Live TV
1735starbucks.comStarbucks Coffee Company
1992fourseasons.comFour Seasons Hotels and Resorts | Luxury Hotels | Four Seasons
2100pingdom.comWebsite Monitoring Service - Availability and Performance | Pingdom
2324smartsheet.comWork Management Platform | Smartsheet
2435ul.comUL Solutions
2772aspca.orgASPCA | American Society for the Prevention of Cruelty to Animals
3017pitchbook.comPrivate Market Data, Research & Tools - PitchBook

The full list includes every site's domain, rank, country hint, title, language, full technology stack and company SaaS tools.

The full list: $1.31

$2 per 1,000 websites, no subscription. Open our Websites Using Technology tool on Apify, enter “Optimizely” and export as CSV, Excel or JSON. Combine technologies, exclude tools, and filter by country or rank. BuiltWith starts at $295 a month.

Need a list for your own domains or a technology we don’t list? Run the Tech Stack Detector on any list of websites for $3 per 1,000.