Ruby on Rails checker
Ruby on Rails is a full stack web framework known for fast development. Shopify and many SaaS apps run on it. Enter any website below to check whether it uses Ruby on Rails. The check is free and needs no signup.
Enter a website address and press Scan.
Detection reads the page HTML, response headers and cookies. Tools that load later or run only on the server can be missed.
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How we detect Ruby on Rails
We look for a csrf-param meta tag with authenticity_token, an x-runtime response header, or a Phusion Passenger x-powered-by header.
Detection reads what the page sends to a visitor. A site can hide Ruby on Rails, or use it only on the server, and then we can't see it.