All browsers listed in the table below support web pages working in standard mode.


Supported browser(s)Supported version(s)Notes
Web browsersChrome

The latest stable version


Microsoft Internet Explorer (IE)

9.0*, 10.0*, 11.0

* Support of IE 9.0 and 10.0 is available for SCAYT plugin for CKEditor 4 only.

The compatibility view or quirks mode in IEs is not supported.

Microsoft EdgeThe latest stable version 
Mozilla Firefox

The latest stable version 


Safari

The latest stable version on Mac OS X only


Mobile and tablet browsersChrome for AndroidThe latest stable version 
iOS SafariThe latest stable version