Fathom vs Sentry

Sentry is used by more websites in our catalog: 1,332 use Fathom and 5,018 use Sentry.

Fathom sites have the higher median Ahrefs Domain Rating (Fathom: 40, Sentry: 17).

Between 2026-06 and 2026-07, Fathom went from 0.18% to 0.15% of all tracked sites, while Sentry went from 0.52% to 0.57%. Sentry is gaining ground faster in our index.

5 websites in our catalog use both Fathom and Sentry.

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.