Fathom vs Microsoft Clarity

Fathom is used by more websites in our catalog: 1,332 use Fathom and 718 use Microsoft Clarity.

Fathom and Microsoft Clarity sites have a similar median Ahrefs Domain Rating.

Between 2026-06 and 2026-07, Fathom went from 0.18% to 0.15% of all tracked sites, while Microsoft Clarity went from 0.11% to 0.08%. Microsoft Clarity is gaining ground faster in our index.

0 websites in our catalog use both Fathom and Microsoft Clarity.

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.