performance

why-did-you-render by Welldone Software monkey patches React to notify you about potentially avoidable re-renders. (Works with React Native as well.)

Continuous Profiling Platform. Debug performance issues down to a single line of code

Powerful .NET library for benchmarking

⚡️Faster subsequent page-loads by prefetching in-viewport links during idle time

Firefox user.js for optimal privacy and security. Your favorite browser, but better.

📈 A small, fast chart for time series, lines, areas, ohlc & bars

Next-gen browser and mobile automation test framework for Node.js

🏋️ Find out the cost of adding a new frontend dependency to your project

Apache JMeter open-source load testing tool for analyzing and measuring the performance of a variety of services

pprof is a tool for visualization and analysis of profiling data

The complete load testing platform. Everything you need for production-grade load tests. Serverless & distributed. Load test with Playwright. Load test HTTP APIs, GraphQL, WebSocket, and more. Use any Node.js module.

immudb - immutable database based on zero trust, SQL/Key-Value/Document model, tamperproof, data change history

Free, open-source Windows optimization tool for performance, privacy, and simplicity.

Efficient cache for gigabytes of data written in Go.

An exhaustive expansion of the standard SwiftUI library.

Entitas is a super fast Entity Component System (ECS) Framework specifically made for C# and Unity

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

🔮 Libraries & tools for enabling Machine Learning driven user-experiences on the web

Which is the fastest web framework?

A high performance memory-bound Go cache