Fly.io vs WP Engine

WP Engine is used by more websites in our catalog: 252 use Fly.io and 4,413 use WP Engine.

WP Engine sites have the higher median Ahrefs Domain Rating (Fly.io: 29, WP Engine: 31).

Between 2026-06 and 2026-07, Fly.io went from 0.03% to 0.03% of all tracked sites, while WP Engine went from 0.54% to 0.50%. Fly.io is gaining ground faster in our index.

0 websites in our catalog use both Fly.io and WP Engine.

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.