Test your internet speed on any device with Speedtest by Ookla, available for free on desktop and mobile apps.

Quickly and easily test your internet connection with free apps from Speedtest—any time, on any device.

Why take the time to load up a browser when Speedtest is right there on your desktop? Available for Mac and Windows, this embedded experience is specifically designed to be fast and easy to use.

It's never been faster or easier to take a Speedtest. Download the free Speedtest desktop app for Windows to check your internet speeds at the touch of a button.

To run a Speedtest, make sure you are connected to a network (mobile or broadband), hit the “GO” button, and you’ll see your download and upload speeds, along with latency (ping) and jitter.

Learn how to effectively troubleshoot your internet connection using Speedtest and Downdetector. Discover steps to identify and resolve issues with speed, latency, and connectivity across devices …

Speedtest relies on a network of over 5,500 host servers owned and operated by internet service providers (ISPs) and mobile carriers around the globe. By default, Speedtest chooses a nearby …

Join the millions of other people helping us to accelerate the Internet! By creating an account, you'll be able to access your historical results anywhere and manage your Speedtest preferences.

Discover the speed of your mobile connection with easy, one-tap testing—accurate anywhere thanks to our massive global server network.

Troubleshooting Connection Problems How do I clear my browser cache? How can Ping help me diagnose network quality? Why don't my results match the bandwidth I pay for? Why are my speeds …