paulirish

Launch latest Chrome with the Devtools Protocol port open

Good-lookin' diffs with diff-highlight and more

Automated auditing, performance metrics, and best practices for the web.

Parse raw trace data into the Chrome DevTools' structured profiling data models

Simple, secure static file server – serve any directory over HTTP

Wrapper for request module that saves all traffic as a HAR file, useful for auto mocking a client

Magically retrieves a GitHub users email even though it's not publicly shown

Trace-Viewer is the javascript frontend for Chrome about:tracing and Android systrace.

Gather progressive web metrics for a url. CLI & lib

Get the speed index from chrome dev tool timeline files

matchMedia polyfill for testing media queries in JS