React Native library for Castle

Chrome Extension that shows a pages Largest Contentful Paint (LCP) measure on it's icon

Performant financial charts built with HTML5 canvas

A collection of UI Snippets.

Bootstrap-inspired grid system based on CSS custom properties and flexbox

High performance and SEO friendly lazy loader for images (responsive and normal), iframes and more, that detects any visibility changes triggered through user interaction, CSS or JavaScript without…

Scrollytelling with IntersectionObserver.

Minify images seamlessly

Progressive web metrics at your fingertipz

Promise based HTTP client for the browser and node.js

Converts PKP Intercity PDF train tickets to iCalendar events. Check out the web version: https://github.com/ravicious/konbikol

🔬 A fast, interactive web-based viewer for performance profiles.

An Azure Function solution to crawl through all of your image files in GitHub and losslessly compress them. This will make the file size go down, but leave the dimensions and quality untouched. Onc…

Fully customisable & accessible vector icons

Create web applications entirely by writing HTML and CSS!

Generating styled markup from a folder of markup snippets.

Load CSS asynchronously

PWACompat to bring Web App Manifest to older browsers

Replace <img /> elements with <img-2> to automatically pre-cache images and improve page performance.

Accessible rating forms with cute animations on top.

Offline-capable Pokédex web site (unmaintained)

Aims to be the biggest checklist of inclusive design considerations ever

download statistics for npm packages

Awesome speakers in the programming and design communities

🔥 Highly performant, light ~1kb and configurable lazy loader in pure JS with no dependencies for responsive images, iframes and more

Source code to formatted text converter

🖼 Reframe unresponsive elements responsively.

Manually curated collection of resources for frontend web developers.

Eliminates layout thrashing by batching DOM measurement and mutation tasks