tracing-framework : Rich tools for instrumenting, analyzing, and visualizing web apps.
webhint : webhint is a linting tool that will help you with your site's accessibility, speed, security and more, by checking your code for best practices and co...
Skipfish : Skipfish is an active web application security reconnaissance tool. It prepares an interactive sitemap for the targeted site by carrying out a recursi...
SPOF-O-Matic : Chrome extension for detecting and simulating frontend Single Points Of Failure. Detects likely third-party single points of failure as you browse and...
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.