Internet SpeedTest is a blazing-fast Progressive Web App (PWA) that lets users test their internet speed directly from their browser — without downloading anything!
Measure Download, Upload, Ping, and Jitter accurately using a lightweight, mobile-first app built with modern web technologies.
- ✅ Accurate Download/Upload speed measurement
- ✅ Real-time Ping and Jitter
- ✅ No app install needed — works in the browser!
- ✅ Fully offline-capable PWA
- ✅ Optimized for mobile and desktop
- ✅ Add to home screen like a native app
- ✅ Clean UI and responsive layout
- ✅ Works with all networks: Wi-Fi, 4G/5G, broadband, fiber
Demo - https://mamedul.github.io/ispeedtest
- Open the website in any modern browser.
- Click "Start Test" to begin speed measurement.
- View your download, upload, ping, and jitter results in seconds.
- HTML5, CSS3, Vanilla JavaScript
- Service Worker + Cache API (for offline PWA)
- Custom-built speed test logic (third-party dependencies)
- Optimized for performance and low network overhead
git clone https://github.com/mamedul/ispeedtest.git
cd ispeedtest
# Just open index.html in your browserOr download https://github.com/mamedul/ispeedtest/archive/refs/heads/main.zip
You can also deploy it to GitHub Pages, Netlify, Vercel, Firebase Hosting, etc.
Hi! I'm Mamedul Islam, a passionate Web Developer who builds modern web applications, E-commerce, PWAs, and fast, static, dynamic, responsive websites. Specializing in WooCommerce, Wordpress, PHP, MySQL, and modern web development. Creating exceptional digital experiences since 2017.
I'm open for freelance work, Woocommerce, E-commerce, Wordpress, PWA development, speed test apps, Firebase projects, websocket, PHP, MySQL and more. Hire me to bring your ideas to life with clean, modern code!
Keywords: internet speed test, broadband speed test, fast.com alternative, okla alternative, wifi speed, mobile data speed, PWA speed test
Meta Description: Test your internet speed including download, upload, ping, and jitter. Lightweight PWA with offline support. Built by Mamedul.
This project is open-source and available under the MIT License.
⭐ Don't forget to star this repo if you like it!
If you find this extension useful, please consider giving it a star on GitHub! Your support helps motivate further development and improvements.
