A/B Testing · comparison
Google Optimize vs Optimizely
Optimizely is used on 16,413 sites, 12% more than Google Optimize (14,618 sites).
In A/B Testing, Google Optimize ranks #3 and Optimizely #2 by number of sites.
From Jul 2026 to Oct 2026, Google Optimize grew less than 0.1% and Optimizely grew 0.2%.
48 sites run both: 0.3% of Google Optimize sites and 0.3% of Optimizely sites.
Go
Google Optimize
optimize.google.com
- Sites
- 14,618
- Share of tracked sites
- 0.09%
- Rank in A/B Testing
- #3
- Change since Jul 2026
- ▲ +0.06%
Op
Optimizely
www.optimizely.com
- Sites
- 16,413
- Share of tracked sites
- 0.11%
- Rank in A/B Testing
- #2
- Change since Jul 2026
- ▲ +0.17%
Sites using both
48
sites run Google Optimize and Optimizely
of Google Optimize sites0.3%
of Optimizely sites0.3%
Top sites using Google Optimize
No ranked site yet.
All Google Optimize sites →Often used with Google Optimize
More A/B Testing comparisons
Site counts and ranks come from our crawl of the web; the change compares the monthly adoption snapshots both technologies have.