On the standards track: No
Is Experimental: No
Is Deprecated: Yes
In Chrome version 21 on 2012-07-31 Removed from Chrome version 56 on 2017-01-25
In Chrome Android version 25 on 2013-02-27 Removed from Chrome Android version 56 on 2017-02-01
Not in Edge
In Firefox version 1.5 on 2005-11-29 Removed from Firefox version 21 on 2013-05-14
In Firefox for Android version 4 on 2011-03-29 Removed from Firefox for Android version 21 on 2013-05-14
Not in Internet Explorer
Not in Quest Browser
In Opera version 15 on 2013-07-02 Removed from Opera version 43 on 2017-02-07
In Opera Android version 14 on 2013-05-21 Removed from Opera Android version 43 on 2017-09-27
In Safari version 7 on 2013-10-22
In Safari on iOS version 7 on 2013-09-18
In Samsung Internet version 1.5 on 2013-09-25 Removed from Samsung Internet version 6.0 on 2017-08-23
In WebView Android version 4.4 on 2013-12-09 Removed from WebView Android version 56 on 2017-02-01