597 Open source projects that are alternatives of or similar to Web Performance

Makes {passive: true} by default when EventListenerOptions are supported

top, but for Emacs.

Vue component for efficiently rendering large collection data

A modern load testing tool, using Go and JavaScript - https://k6.io

Pretty CSS analytics on the CLI

React implementation of the Intersection Observer API to tell you when an element enters or leaves the viewport.

Fast webpages for all browsers.

DEPRECATED - See Elastic APM instead: https://github.com/elastic/apm-agent-nodejs

Catch bad SQL queries before they cause problems in production

Parallel Apache Kafka client wrapper with client side queueing, a simpler consumer/producer API with key concurrency and extendable non-blocking IO processing.

Install and manage a high performance WordPress stack with a few keystrokes

App Metrics is an open-source and cross-platform .NET library used to record and report metrics within an application.

Database validations for ActiveRecord

R package: Methods that Apply to Rows and Columns of Matrices (and to Vectors)

This repository has been archived.

Load testing tool, inspired by Locust

The case of partial hydration (with Next and Preact)

Find memory issues & leaks in your iOS app without instruments

Shows your current framerate (fps) in the status bar of your iOS app

Command-line control panel for Nginx Server to manage WordPress sites running on Nginx, PHP, MySQL, and Let's Encrypt

A Webpack plugin for Lighthouse

A Chrome extension to measure essential metrics for a healthy site

Intel® Nervana™ reference deep learning framework committed to best performance on all hardware

Implement a live chat beacon in your React application without performance regressions.

A fast object pool for the JVM

APM, (Application Performance Management) tool for large-scale distributed systems.

Reduce CPU usage by non-blocking async loop and psychologically speed up in JavaScript

Python Geohash Compression Tool

Mirror kept for legacy. Moved to https://github.com/llvm/llvm-project

Infinite Scroll and Occlusion at > 60FPS

Cross-platform, fiber-based, multi-threaded task scheduler designed for video games.

Easily run code asynchronously

Helpers to debug and record component render performance 🚀

Run your JavaScript apps backed by Rust

Example of how CL133375 can be utilized to mitigate Go escape analysis limitations.

JS Search is an efficient, client-side search library for JavaScript and JSON objects

high performance fixed decimal place math library for Go

Playing with counting word frequencies (and performance) in various languages.

cross-platform coroutine library in c++

Scouter is an open source APM (Application Performance Management) tool.

Project Glimpse: Node Edition - Spend less time debugging and more time developing.

Easily optimize images using WP CLI

List of performance analysis, monitoring and optimization tools

Evaluates how long the browser will execute your javascript code.

Find time-consuming database queries for ActiveRecord-based Rails Apps

Web Vitals: Essential module for a healthy Nuxt.js

Performance Analyzer

C++ benchmark tool. Practical, stable and fast performance testing framework.

Ripzap - Fast and 0 allocs leveled JSON logger for Go ⚡️. Dependency free.

Speed up a Laravel app by caching the entire response

🚀 Modern cross-platform HTTP load-testing tool written in Go

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.

📱 Tips and tricks to improve your React Native FlatList performance and memory consumption

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

Fast ExpressionTree compiler to delegate

Yet Another Python Profiler, but this time thread&coroutine&greenlet aware.

Efficient cache for gigabytes of data written in Go.

The fastest HTTP/2 Go Web Framework. AWS Lambda, gRPC, MVC, Unique Router, Websockets, Sessions, Test suite, Dependency Injection and more. A true successor of expressjs and laravel | 谢谢 https://github.com/kataras/iris/issues/1329 |

LaravelS is an out-of-the-box adapter between Swoole and Laravel/Lumen.

Blazing-fast Expression Templates Library (ETL) with GPU support, in C++