A high-performance color library with extended support for modern color spaces including OKLCH, OKLAB, Display-P3, and more

Reads / writes floats / doubles from / to buffers in both modern and ancient browsers.

Stylelint rule for preventing the use of low performance animation and transition properties.

walk paths fast and efficiently

A very fast HTML parser, generating a simplified DOM, with basic element query support.

Measure React Native performance

Intl.LocaleMatcher ponyfill

Simple, efficient, scalable, high-performance LMDB interface

Fastest, most accurate & effecient user agent string parser, uses Browserscope's research for parsing

A CSS parser, transformer, and minifier written in Rust

A WebAssembly implementation of xxHash

Firebase performance for web

A Storybook addon that provides a real-time performance monitoring panel with frame timing, input latency, layout shift, and React render profiling.

An implementation of the WebDriver BiDi protocol for Chromium implemented as a JavaScript layer translating between BiDi and CDP, running inside a Chrome tab.

UI Client for Unlighthouse.

Fast, lightweight i18n for Nuxt with strategy-based routing and minimal overhead.

Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js

HTML5 2d canvas library.

JavaScript implementations of network transports, cryptography, ciphers, PKI, message digests, and various utilities.

The compatibility package of Firebase Performance