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

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 .

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.

Find out how your internet speed is performing, plus consider using our bandwidth calculator tool to understand what your household needs to run at its most optimal. In the past 30 days over 10,769,824 people have used speed tests to see their …

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.

Run a speed test to see how your speeds compare to all our speed test results. Your download speed is faster than -of all our speed test results.

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