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
Nx : Nx is a smart and extensible build framework to help you architect, test, and build at any scale — integrating seamlessly with modern technologies and...
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...
Rich tools for instrumenting, analyzing, and visualizing web apps.