TestMy.net is a powerful broadband speed test that will test your Internet, calculate your transfer rate and output accurate, reliable and easy to understand results. TestMy.net is an independent third party and is not affiliated with your Internet service provider. 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. Use Speedtest on all your devices with our free desktop and mobile apps. Fast.com estimates your current internet download speed. You will generally be able to get this speed from leading internet services, which use globally distributed servers. 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. Take Verizon's speed test to see how fast your internet connection is. Check your Wi-Fi download and upload speeds and browse tips to improve your connection. Test your Internet connection. Check your network performance with our Internet speed test. Powered by Cloudflare's global edge network. Download speed is how fast your internet connection can pull data from the internet to your device. It’s measured in megabits per second (Mbps) or gigabits per second (Gbps) and determines how quickly you can load web pages, stream video, download files, or update apps. 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.