SPOFCheck : A CLI tool for detecting frontend SPOF, mainly blocking scripts and CSS
tracing-framework : Rich tools for instrumenting, analyzing, and visualizing web apps.
Yellow Lab Tools : Online test to help speeding up heavy web pages
Sitespeed.io : Sitespeed.io is an open source tool that helps you analyze and optimize your website speed and performance based on performance best practices. It col...
The coach helps you find performance problems on your web page. Think of the coach as a modern version of YSlow. The coach will give advice of how your page can be faster.