Optimizely vs SiteSpect

Optimizely is used by more websites in our catalog: 1,701 use Optimizely and 1,081 use SiteSpect.

Optimizely sites have the higher median Ahrefs Domain Rating (Optimizely: 54, SiteSpect: 43).

Between 2026-06 and 2026-07, Optimizely went from 0.21% to 0.19% of all tracked sites, while SiteSpect went from 0.06% to 0.12%. SiteSpect is gaining ground faster in our index.

4 websites in our catalog use both Optimizely and SiteSpect.

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.