Speedtest by Ookla is a popular online tool that measures internet connection speed. It provides users with information about their download and upload speeds, as well as ping latency. This helps individuals and businesses assess the performance of their internet service. The service is available as a website and a mobile app, making it accessible on various devices. Users can easily run a test by clicking a button, and the results can be shared or compared with others. Speedtest is widely used to troubleshoot connectivity issues and to ensure that internet speeds meet expectations.