Speedtest.net measures the performance of your broadband connection. At the end of each test, you are presented with the download (the speed of data from the server to your computer) and upload (the speed of sending data from your computer to the server) bandwidth speeds. The tests are performed completely within your web browser over HTTP (just like normal web browsing). If you experience any problems using Speedtest.net, please visit our Questions & Answers section for help.

The technology behind Speedtest.net is identical to that of the Ookla Speed Test which is provided to a wide variety of companies and organizations on a licensed basis. Collectively, the application is used over eight million times each month by millions of individuals worldwide. If you would like to have a Speed Test to install and run on your server, please visit our licensing site. We have a variety of options from basic to highly customized.

At Ookla we are focused on building and operating cross-platform web applications that are reliable, accurate, scalable and matched with an attractive and useful user-interface. We are currently working on additional connection diagnostic tools for specialized applications such as VoIP and future network environments where the individual may have have multiple wired and wireless connections to a variety of devices. Learn more here.