On the standards track: Yes
Is Experimental: No
Is Deprecated: No
In Chrome version 3 on 2009-09-15 Note: Defaults to metadata in Chrome 64.
In Chrome Android version 18 on 2012-06-27 Note: Defaults to metadata in Chrome Android 64.
In Edge version 12 on 2015-07-29
In Firefox version 4 on 2011-03-22
In Firefox for Android version 4 on 2011-03-29
In Internet Explorer version 9 on 2011-03-14
In Quest Browser version 5.0 on undefined Note: Defaults to metadata in Quest Browser 5.0.
In Opera version 15 on 2013-07-02 Note: Defaults to metadata in Opera 51.
In Opera Android version 14 on 2013-05-21 Note: Defaults to metadata in Opera Android 47.
In Safari version 3.1 on 2008-03-18
In Safari on iOS version 3 on 2009-06-17
In Samsung Internet version 1.0 on 2013-04-27 Note: Defaults to metadata in Samsung Internet 9.0.
In WebView Android version 4.4 on 2013-12-09 Note: Defaults to metadata in WebView Android 64.
In WebView on iOS version 3 on 2009-06-17