Technology · A/B testing
Websites using Google Optimize
As of 2026-10-02, Google Optimize (A/B testing) is detected on 22 of the 7,859 popular websites we analysed (0.3%), including flurry.com, global-e.com, dmm.com, krone.at and gnavi.co.jp.
Top sites using Google Optimize (22)
- flurry.com #1,339
- global-e.com #2,052
- dmm.com #2,483
- krone.at #2,887
- gnavi.co.jp #3,111
- streamable.com #3,378
- cgtn.com #3,508
- cloudez.io #3,844
- easports.com #3,867
- etoro.com #4,352
- titan.email #4,749
- immoweb.be #4,782
- palcloset.jp #4,828
- rees46.ru #7,069
- fanbox.cc #7,268
- origin.com #7,297
- usgbc.org #7,315
- edublogs.org #7,407
- tanki.su #8,220
- popcap.com #8,959
- ohsu.edu #8,980
- anywhereworks.com #9,163
The number is the position in our popularity-ordered sample (1 = most popular).
Technologies often used together with Google Optimize
| Technology | Sites | Share of Google Optimize sites |
|---|---|---|
| Google Tag Manager | 19 | 86% |
| PHP | 8 | 36% |
| Google Analytics | 7 | 32% |
| Cloudflare | 6 | 27% |
| Google Fonts | 6 | 27% |
| Nginx | 6 | 27% |
| unpkg | 5 | 23% |
| Bootstrap | 4 | 18% |
| cdnjs | 4 | 18% |
| jQuery | 4 | 18% |
Google Optimize by site sector
| Sector | Sites with Google Optimize | Share of sector |
|---|---|---|
| Education | 1 | 0.4% |
| Other | 20 | 0.3% |
| News | 1 | 0.3% |
| Technology | 0 | <0.1% |
| Entertainment | 0 | <0.1% |
| Social media | 0 | <0.1% |
| Government | 0 | <0.1% |
| Finance | 0 | <0.1% |
Google Optimize by top-level domain
FAQ
- How many popular websites use Google Optimize?
- As of 2026-10-02, Google Optimize (A/B testing) is detected on 22 of the 7,859 popular websites we analysed (0.3%), including flurry.com, global-e.com, dmm.com, krone.at and gnavi.co.jp.
- Which are the most popular websites using Google Optimize?
- flurry.com, global-e.com, dmm.com, krone.at, gnavi.co.jp, streamable.com, cgtn.com, cloudez.io, easports.com and etoro.com, and 12 more (ordered by popularity in our sample, detected 2026-10-02).
- Which kinds of sites use Google Optimize most?
- By share of sites: education (0.4%), other (0.3%) and news (0.3%).
- How do I find out what technology a website uses?
- Open the site's page in the Tech Stack Index, or run the Tech Stack Detector API on any domain: it reads the home page HTML and headers and lists the CMS, framework, CDN and analytics with evidence.
Other A/B testing technologies
- VWO 142
- Optimizely 91
- Convert Experiences 37
- AB Tasty 30
- Kameleoon 22