Use Speedtest on all your devices with our free desktop and mobile apps.

How fast is your download speed? In seconds, FAST.com's simple Internet speed test will estimate your ISP speed.

Check your internet speed with our simple and fast speed test. Get detailed results for your download speed, upload speed, and personalized insights into your connection performance.

Test your Internet connection. Check your network performance with our Internet speed test. Powered by Cloudflare's global edge network.

Let's test the speed to your device We'll measure the speed from our servers to this device. Results are often lower than plan speeds due to WiFi conditions and device capabilities.

Test your internet speed instantly with TestMySpeed, the leading broadband speed test. Get real-time results for download, upload, and ping.

Fast Internet? Prove It! Run a Free Internet Speed Test using your Web browser, No App Needed. Fast, Accurate HTML5 Speed Test that works on any device.

Use our internet speed test tool to see how fast your internet speed really is. You’ll find out if your connection is fast enough for everyday activities like remote work or streaming movies — and …

Test your internet connection speed in seconds to locations all around the world with this broadband speed test to see how fast your home or mobile internet connection really is across …

Measurement Lab (M-Lab) provides the largest collection of open Internet performance data on the planet. As a consortium of research, industry, and public-interest partners, M-Lab is …