Awesome Wpo

Find unused and duplicate CSS

Pipeline is an asset packaging library for Django.

Navigation Timing API measurement helpers

Minify files with UglifyJS.

Prepare compressed versions of assets to serve them with Content-Encoding

jsperf.com v2. https://github.com/h5bp/lazyweb-requests/issues/174

Minify PNG, JPG, GIF and SVG images.

Performance-Bookmarklet helps to analyze the current page through the Resource Timing API, Navigation Timing API and User-Timing - requests by type, domain, load times, marks and more. Sort of a light live WebPageTest.

Grunt task for converting a set of images into a spritesheet and corresponding CSS variables

⚡️ Web Performance Research

CSS minifier

The httperf HTTP load generator

:bullettrain_front: Lazyload images, iframes, widgets with a standalone JavaScript lazyloader

DEPRECATED. Remove unused CSS selectors.

lightweight lossless file minifier/optimizer

Grunt task for performance budgeting.

Concatenate files.

Compress CSS files.

Javascript Minifier built in PHP

Automated image compression for efficiently distributing images on the web.

Minify HTML

Analyze bundle stats(bundle size, assets, modules, packages) and compare the results between different builds. Support for webpack, rspack, vite, rolldown and rollup.

Automatic CSS Sprite Generator

**Archived.** Derping around with measuring CSS performance.

A caffeine driven, simplistic approach to benchmarking.

No description.

HTML minifier for Python frameworks (not only Django, despite the name).

JIT(Just In Time) plugin loader for Grunt.

A image sprite generator

Make ImageOptim, ImageAlpha and JPEGmini part of your automated build process

Polymer Tools Monorepo

Minify SVG

Minify HTML.

Fast webpages for all browsers.

A no-dependencies HTTP client library for browsers and Node.js with a promise-based or Node.js-style callback-based API to progress events, text and binary file upload and download, partial response body, request and response headers, status code.

Create SVG sprites or compile to <symbols>

Cross-browser web performance testing agent

Grunt plugin wrapping phantomas to measure frontend performance

WebP with Accept negotiation

Convert images to WebP

CLI image optimization tool

Ruby driver for httperf - automated load and performance testing

Simple, easy, javascript benchmark testing

Minimize HTML

Fast command-line HTML minifier — works on any HTML, with special support for Razor and Web Forms views. Parallel processing, safe preservation of <pre>/<code>/Knockout blocks, and easy MSBuild/CI integration.

:cake: The easiest way to measure your performance budget

Convert your images to WebP format.

:horse_racing: A model driven framework for the evaluation web page performance

Concatenate a set of Web Components into one file

Grunt task to optimize images using reSmush.it