voxpelli
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🏎️ Performance
⏩ Efficient compression of streams of short JSON strings
View deoptimizations of your JavaScript in V8
🐦 Friendly little instrumentation profiler for Rust 🦀
An online tool to quickly bundle & minify your projects, while viewing the compressed gzip/brotli bundle size, all running locally on your browser.
Simple “Least Recently Used” (LRU) cache
Make a synchronous function asynchronous by running it in a worker
React render tracker – a tool to discover performance issues related to unintentional re-renders and unmounts
Implement a live chat beacon in your React application without performance regressions.
Make a regular expression time out if it takes too long to execute
A lock-free, partially wait-free, eventually consistent, concurrent hashmap.
Data structure serialization library with several opposite design goals from Serde
⚖️ Find the cost of adding a new dependency to your project
Automated auditing, performance metrics, and best practices for the web.
DataLoader is a generic utility to be used as part of your application's data fetching layer to provide a consistent API over various backends and reduce requests to those backends via batching and…
fast HTTP/1.1 benchmarking tool written in Node.js
Calculate the real cost to run your JS app or lib to keep good performance. Show error in pull request if the cost exceeds the limit.
Essential metrics for a healthy site.
Clinic.js diagnoses your Node.js performance issues
HTTP(S) load generator, ApacheBench (ab) replacement, written in Go
Lossy PNG compressor — pngquant command based on libimagequant library
sitespeed.io is an open-source tool for comprehensive web performance analysis, enabling you to test, monitor, and optimize your website’s speed using real browsers in various environments.
A fast cache that automatically deletes the least recently used items
Front-end performance heatmap bookmarklet.
🔬 A fast, interactive web-based viewer for performance profiles.
Insane(ly slow but wicked good) PNG image optimization