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

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

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 current internet speed, and find out how fast your broadband wi-fi handles uploads and downloads. See Google Fiber plan options for faster internet.

fast, rapid, swift, fleet, quick, speedy, hasty, expeditious mean moving, proceeding, or acting with celerity. fast and rapid are very close in meaning, but fast applies particularly to the thing that moves

Test your internet speed in seconds with FastSpeedTest.com. Measure your download and upload speeds, ping, and jitter accurately on broadband, WiFi, or mobile networks.

Test your internet’s speed and stability by connecting to 50+ global websites. Quick, simple, and private. Tap the button above to begin checking your internet speed across over 50 leading global websites.

Test your internet speed instantly. Check download, upload, and ping with our fast, free online speed test tool. No install or signup needed.

How fast is your internet speed? Take our test to connect to dozens of public popular resources to see your results.

Use the FAST.com app to help you see how fast your Internet connection is, whether on mobile or broadband, anywhere in the world. It has a streamlined design that is quick and easy to understand.