Phusion Passenger

Phusion Passenger is one of 91 technologies we detect in Web servers.

detected by AwesomeTechStack audits

About Phusion Passenger

Phusion Passenger is a free web server and application server with support for Ruby, Python and Node.js.

How we audit Phusion Passenger

We measure the detected version against Phusion Passenger's release history and grade the surrounding stack with a Lighthouse-grade quality audit. Weak or outdated links weigh more - one risky dependency can pull the whole score down.

How the score works

Audit any site that runs Phusion Passenger.

Enter a URL to score its stack for technology quality, version health, Lighthouse performance - and AI-readiness.

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