As of October 27, 2026, Google Optimize is used by 52,621 websites in the TechLeads index: 32.1% of all A/B Testing detections, the 1st most-used of 34 A/B Testing technologies.
Websites using each technology in the TechLeads index, and its share of all A/B Testing detections.
| # | Technology | Websites | Share |
|---|---|---|---|
| 1 | Google Optimize | 52,621 | 32.1% |
| 2 | VWO | 37,709 | 23.0% |
| 3 | Convert | 16,367 | 10.0% |
| 4 | AB Tasty | 11,006 | 6.7% |
| 5 | Adobe Target Standard | 8,624 | 5.3% |
| 6 | Decibel | 8,564 | 5.2% |
| 7 | Estore Compare | 6,168 | 3.8% |
| 8 | Intelligems | 6,137 | 3.7% |
| 9 | Adobe Target |
Rows link to each competitor's market share page where one exists. The table lists the 12 most-used technologies; ranks are by website count.
In HTTP Archive's monthly crawl of public websites, Google Optimize was detected on 86,890 pages in September 2026, down 20.7% from a year earlier (peak: 867,748). HTTP Archive is a separate dataset from the TechLeads index, so its numbers are not added to ours.
Same month, other A/B Testing technologies in HTTP Archive: Complianz 897,049, OneSignal 182,075, Optimizely 118,227, Zoho PageSense 38,017, Adobe Target 34,792.
See all 52,621 websites using Google Optimize or download the full list as a CSV for $29.
TechLeads scans public websites and detects Google Optimize from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Market share is Google Optimize's website count divided by the website counts of all A/B Testing technologies we track; a site using two A/B Testing tools counts for both. Counts were last refreshed on October 27, 2026 and update daily.
Google Optimize accounts for 32.1% of A/B Testing detections in the TechLeads index (52,621 websites), which makes it the 1st most-used of 34 A/B Testing technologies we track.
TechLeads currently detects Google Optimize on 52,621 websites. HTTP Archive's monthly crawl, a separate dataset, detected it on 86,890 pages in September 2026.
By number of websites, the largest A/B Testing technologies besides Google Optimize are VWO (37,709), Convert (16,367), AB Tasty (11,006), Adobe Target Standard (8,624), Decibel (8,564).
Websites using Google Optimize include speedtest.net, hypebeast.com, teket.jp, prtimes.jp, elifesciences.org, wpengine.com. The full list of 52,621 websites can be exported as a CSV for $29.
| 4,606 |
| 2.8% |
| 10 | Kameleoon | 4,415 | 2.7% |
| 11 | Dynamic Yield | 2,186 | 1.3% |
| 12 | Omniconvert | 1,315 | 0.80% |
