Passmarked is a suite of tests that can be run against any page/website to identify issues with parity to most online tools in one package.
The passmarked terminal client is intended for use by developers to integrate into their workflow / CI Servers but also integrate into their own application that might need to test websites and provide realtime feedback.
For those on the war path, the direct API is also provided to allow anyone to integrate from any language at api.passmarked.com.
The Passmarked community has built out a few library that the team have adopted as the offical clients. We will keep adding as more and more client libraries are found and used by the community: