Service Workers

Audit the CSS on a page to see what elements are using styles from the style guide and which styles are overriding them

Brotli compression format

Mozilla's new typeface, used in Firefox OS

336 pixel perfect, all-purpose vector icons in a web-font kit

The iconic SVG, font, and CSS toolkit

A package of flat vector icons together with an installable ligature font

AdminLTE - Free admin dashboard template based on Bootstrap 5

A frontend styleguide for the pragmatic.

Keep multiple browsers & devices in sync when building websites. https://browsersync.io

Fake data generator for javascript

Colour schemes for a variety of editors created by Dayle Rees.

The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web.

Format and syntax highlight CSS files you open

Customizable Windows terminal with tabs, splits, quake-style, hotkeys and more

📩 Starter project for designing and testing HTML email templates

Implement localStorage web font caching in seconds

Base64 encodes web fonts to cache in LocalStorage for high performance.

Mailgun email address jquery validation plugin http://mailgun.github.io/validator-demo/

💫 Perceived performance best practices & resources.

A responsive image polyfill for <picture>, srcset, sizes, and more

🌐 Jekyll is a blog-aware static site generator in Ruby

Get as many FPS as you need and amazing effects by rendering HTML/CSS in WebGL

A modern alternative to CSS resets

A module to teach you how to module.

Scout-App - The simplest Sass processor

selectivizr is a JavaScript utility that emulates CSS3 pseudo-classes and attribute selectors in Internet Explorer 6-8.

The classic email sending library for PHP - this is my personal fork, please post issues on the upstream project

🍿 A cross-browser library of CSS animations. As easy to use as an easy thing.

✏️ Debug utility with markdown support that runs on browser and server