LaunchDarkly vs Optimizely

LaunchDarkly is used by more websites in our catalog: 2,810 use LaunchDarkly and 1,701 use Optimizely.

Optimizely sites have the higher median Ahrefs Domain Rating (LaunchDarkly: 13, Optimizely: 54).

Between 2026-06 and 2026-07, LaunchDarkly went from 0.27% to 0.32% of all tracked sites, while Optimizely went from 0.21% to 0.19%. LaunchDarkly is gaining ground faster in our index.

23 websites in our catalog use both LaunchDarkly and Optimizely.

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.