Test your internet speed on any device with Speedtest by Ookla, available for free on desktop and mobile apps.

FAST.com speed test gives you an estimate of your current Internet speed. You will generally be able to get this speed from leading Internet services, which use globally distributed servers.

Test your connection fast with Xfinity’s internet speed test tool and get tips on how to improve your internet performance.

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.

Check your internet speed, quality and performance with the AT&T Internet speed test tool.

Check your internet speed instantly with our internet speed test. Learn what your results mean and how to improve your connection.

M-Lab's Speed Test provides advanced diagnostics of the performance of your broadband connection through quick measurements. I agree to the data policy, which includes retention …

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

An internet speed test measures the connection speed and quality of your connected device to the internet. It does so by running multiple consecutive tests that analyze different aspects of …

Speed is the magnitude of velocity (a vector), which indicates additionally the direction of motion. Speed has the dimensions of distance divided by time. The SI unit of speed is the metre per …