monkeytype

Monkeytype is a customizable typing test application that offers multiple test modes, detailed stats tracking, and customizable themes. It provides real-time feedback on typing speed, accuracy, and errors to emulate a natural typing experience. Users can run it in a modern web browser.

From the repository: “The most customizable typing website with a minimalistic design and a ton of features. Test yourself in various modes, track your progress and improve your speed.”