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Top 50 web-performance open source projects

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.
A modular library for collecting front-end performance metrics.
Flying Pages
Load inner pages instantly, intelligently
React Live Chat Loader
Implement a live chat beacon in your React application without performance regressions.
Web Vitals Reporter
Report Web Vitals to your API with one POST request per session.
Ngx Hover Preload
🖱 Preload Angular lazy-loaded routes on mouse over
Kabarvirus cepat (PageSpeed 100), ringan (10 KB)
Puppeteer Webperf
Automating Web Performance testing with Puppeteer 🎪
🏇 A model driven framework for the evaluation web page performance
Protractor Perf
E2E test framework to check for performance regressions in Angular apps
Surf N Perf
Micro-library for gathering web page performance data
⚡️Faster subsequent page-loads by prefetching in-viewport links during idle time
Time Slicing
Break down long tasks into smaller tasks, avoid blocking the main process.
Assassin is a decentralized database that uses background threads to kill slow JavaScript.
Awesome Mobile Web Development
All that you need to create a great mobile web experience
Pagespeed Score
DEPRECATED - use GoogleChrome/lighthouse-ci instead
🔮 Libraries & tools for enabling Machine Learning driven user-experiences on the web
Awesome Pagespeed Metrics
⚡Metrics to help understand page speed and user experience
Kweb Core
A lightweight Kotlin web framework for backend developers 🦆
V Lazy Image
Lazy load images using Intersection Observer, apply progressive rendering and css animations.
Guess Next
🔮 Demo application showing the integration of Guess.js with Next.js
Checking browser rendering performance regression
Progress Bar Animation
Making a Doughnut Progress Bar - research notes
Automated image compression for efficiently distributing images on the web.
Pwa Fundamentals
👨‍🏫 Mike & Steve's Progressive Web Fundamentals Course
Karma Framework for running performance tasks using Telemetry
Promise like module loader with automatic resolution of nested dependencies using XHR requests and localStorage caching to dynamically load modules, legacy JavaScript, CSS, text and bundles. Supports custom handler and plugins as well.
It's an open-source report template that guides web professionals thought steps to audit any website in terms of the page speed and technical SEO optimisation.
A blazing fast server side rendering & project optimiser cli tool using Parcel (POC/Experiment)
performance-budgets gives you a simple way to check and stay on top of performance
PerfLint is a tool to identify unexpected performance levels of a Website
A simple lighthouse plugin to collect few performance metrics
The WordPress plugin for quicklink. ⚡️ Faster subsequent page-loads by prefetching in-viewport links during idle time.
Client-side JavaScript exception and tracing library for Apache SkyWalking APM.
Sharp collection of tools for front-end development, created with performance in mind. 🗡
A drop-in toolbar to help visualize a website's performance.
A collection of awesome things regarding the Climate tech ecosystem.
1-50 of 50 web-performance projects