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 : 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 you...
boomerang : boomerang is a piece of javascript that you add to your web pages, where it measures the performance of your website from your end user's point of vie...
SPOFCheck : A CLI tool for detecting frontend SPOF, mainly blocking scripts and CSS
Yellow Lab Tools : Online test to help speeding up heavy web pages
Flashlight takes inspiration from Lighthouse and gives a performance score to your Android apps (including native, React Native and Flutter). Measure performance on CLI, Flipper or via E2E tests.