sitespeedio/coach-core

deterministic JSON.stringify() with custom sorting to get deterministic hashes from stringified results

Get performance metrics from your web page using Browsertime.

Full featured Promises/A+ implementation with exceptionally good performance

BDD/TDD assertion library for node.js and the browser. Test framework agnostic.

Extends Chai with assertions about promises.

Runs prettier as an eslint rule

Recursively mkdir, like `mkdir -p`

simple, flexible, fun test framework

JavaScript parser, mangler/compressor and beautifier toolkit for ES6+

Xray your HAR file and know all about the page

Recursively read directories and return a list of files, filtered to have only the files for which the (optional) filter function returns `true`. Sync and async.

From a single javascript file, create a bookmarklet

Categorized data on third party entities on the web.

sitespeed.io is an open-source tool for comprehensive web performance analysis, enabling you to test, monitor, and optimize your website’s speed using real browsers in various environments.

The coach gives you advice on building a better web page