A bundler for javascript and friends. Packs many modules into a few bundled assets. Code Splitting allows for loading parts of the application on demand. Through "loaders", modules can be CommonJs, AMD, ES6 modules, CSS, Images, JSON, Coffeescript, LESS, ... and your custom stuff.
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A modern JavaScript utility library delivering modularity, performance, & extras.
High performance Node.js image processing, the fastest module to resize JPEG, PNG, WebP, AVIF and TIFF images. Uses the libvips library.
Quasar Framework - Build high-performance VueJS user interfaces in record time
Node.js test runner that lets you develop with confidence 🚀
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 configuration.
High-performance Protocol Buffers for JavaScript and TypeScript. Conformant through Edition 2026, and unusually versatile. No protoc required.
🔥 Highly performant, light ~1kb and configurable lazy loader in pure JS with no dependencies for responsive images, iframes and more
SpeedTest by OpenSpeedTest™ is a Free and Open-Source HTML5 Network Performance Estimation Tool Written in Vanilla Javascript and only uses built-in Web APIs like XMLHttpRequest (XHR), HTML, CSS, JS, & SVG. No Third-Party frameworks or libraries are Required. Started in 2011 and moved to OpenSpeedTest.com dedicated Project/Domain Name in 2013.
Pgtune - tuning PostgreSQL config by your hardware
Headless Chromium-based web performance metrics collector and monitoring tool
jsperf.com v2. https://github.com/h5bp/lazyweb-requests/issues/174
⚡️ Web Performance Research
Create HTML canvas graphics without writing code. Just draw with your pointer on the HTML canvas, then get the code to render it.
Fast lossless JSON parse event streaming, in JavaScript.
Get the global cache directory