Google Optimize vs GrowthBook

Google Optimize is used by more websites in our catalog: 1,992 use Google Optimize and 200 use GrowthBook.

GrowthBook sites have the higher median Ahrefs Domain Rating (Google Optimize: 45, GrowthBook: 53).

Between 2026-06 and 2026-07, Google Optimize went from 0.30% to 0.23% of all tracked sites, while GrowthBook went from 0.03% to 0.02%. GrowthBook is gaining ground faster in our index.

2 websites in our catalog use both Google Optimize and GrowthBook.

Adoption is counted from Site Stats Database's own crawl; Domain Rating comes from Ahrefs and traffic from DataForSEO. Figures reflect the sites we track and refresh at least monthly.