Caddy vs Phusion Passenger

Phusion Passenger is used by more websites in our catalog: 585 use Caddy and 943 use Phusion Passenger.

Phusion Passenger sites have the higher median Ahrefs Domain Rating (Caddy: 28, Phusion Passenger: 32).

Between 2026-06 and 2026-07, Caddy went from 0.08% to 0.07% of all tracked sites, while Phusion Passenger went from 0.12% to 0.11%. Caddy is gaining ground faster in our index.

2 websites in our catalog use both Caddy and Phusion Passenger.

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.