Fastly vs Fly.io

Fastly is used by more websites in our catalog: 35,866 use Fastly and 252 use Fly.io.

Fly.io sites have the higher median Ahrefs Domain Rating (Fastly: 27, Fly.io: 29).

Between 2026-06 and 2026-07, Fastly went from 4.1% to 4.1% of all tracked sites, while Fly.io went from 0.03% to 0.03%. Fly.io is gaining ground faster in our index.

3 websites in our catalog use both Fastly and Fly.io.

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.