On the standards track: No
Is Experimental: No
Is Deprecated: Yes
In Chrome version 2 on 2009-05-21 Removed from Chrome version 36 on 2014-07-16
In Chrome Android version 18 on 2012-06-27 Removed from Chrome Android version 36 on 2014-07-16
Not in Edge
Not in Firefox
Not in Firefox for Android
Not in Internet Explorer
Not in Quest Browser
In Opera version 15 on 2013-07-02 Removed from Opera version 23 on 2014-07-22
In Opera Android version 14 on 2013-05-21 Removed from Opera Android version 24 on 2014-09-10
In Safari version 4 on 2009-06-08
In Safari on iOS version 3.2 on 2010-04-03
In Samsung Internet version 1.0 on 2013-04-27 Removed from Samsung Internet version 3.0 on 2015-04-10
In WebView Android version 2 on 2009-10-26 Removed from WebView Android version 37 on 2014-09-03