Web API and CSS property feature detections to assist the @mdn/browser-compat-data project
Chrome 1+
Edge 12+
Firefox 1+
Internet Explorer 6+
Opera 9.5+
Safari 3+
If you find any errors in feature detection, please file an issue in the GitHub repository.
This website is designed to test as many browser features as possible. This includes features revealing personal information, such as microphone, camera, geolocation, etc. No personal information is stored locally or transmitted to any servers.
Cookies are used for session tracking, so that test results can be stored on the server and then optionally exported. Test results are deleted after 15 days.