A free internet speed testing and network diagnostic tool.
WiFiSpeedTest is a free, browser-based tool that lets you instantly measure your internet connection speed. Test your download speed, upload speed, ping, and jitter -- no app installation required. It works on any device with a web browser.
Measure how fast you can receive data from the internet.
Measure how fast you can send data to the internet.
Check your connection latency and stability for gaming and video calls.
IP lookup, DNS leak test, WiFi analyzer, port checker, traceroute, and ISP speed comparisons.
WiFiSpeedTest measures your internet speed by transferring data between your browser and test servers powered by Cloudflare's global network. Here is what happens when you run a test:
All testing happens in your browser. No data is stored on our servers unless you explicitly choose to share your results.
WiFiSpeedTest is completely free to use with no hidden costs, no sign-up required, and no limitations. The site is supported by non-intrusive advertising through Google AdSense, allowing us to keep the tool accessible to everyone.
Speed test results can vary based on several factors including network congestion, distance to test servers, device performance, and WiFi interference. For the most accurate results, we recommend testing over a wired ethernet connection, closing other tabs and applications, and running multiple tests at different times of day.
Founded and operated by an independent developer based in the United States. We are passionate about helping people understand and improve their internet connection and committed to building free, high-quality tools for everyone.
WiFiSpeedTest is built with vanilla HTML, CSS, and JavaScript. It is hosted on Cloudflare Pages for fast, reliable global delivery with edge servers close to users worldwide. No frameworks, no bloat -- just fast, clean code.
Have feedback, suggestions, or want to report an issue? We would love to hear from you.
Email: [email protected]