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.

¿Cuál es tu velocidad de descarga? En segundos, la prueba de velocidad de internet de FAST.com calcula la velocidad de tu ISP.

FAST is a Postal Service initiative that improves the drop shipment and Origin Entry appointment scheduling processes through allocating appointment availability and decreasing dock wait times.

FAST definition: moving or able to move, operate, function, or take effect quickly; quick; swift; rapid: a fast pain reliever; See examples of fast used in a sentence.

Grammar Fast, quick or quickly? Fast and quick mean moving with great speed. Fast is both an adjective and an adverb. Quick is an adjective and the adverb form is quickly. …

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.

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

Search the world's information, including webpages, images, videos and more. Google has many special features to help you find exactly what you're looking for.