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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.
Test your internet speed in seconds with Speedtest by Ookla, the global leader in broadband testing. Compare your results with other devices and locations.
Check your upload and download speeds with Shaw Speedtest. It lets you know how your computer is performing and lets us know how to improve your internet experience.
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 your internet connection, namely ping (latency), download speed, and upload speed.
