Opera does support Websocket - http://www.opera.com/docs/specs/presto27/websocket/ http://www.opera.com/docs/specs/presto27/websocket/ As will IE10 - http://ht

Opera does support Websocket - http://www.opera.com/docs/specs/presto27/websocket/ http://www.opera.com/docs/specs/presto27/websocket/ As will IE10 - http://html5labs.interoperabilitybridges.com/prototypes/websockets/websockets/info http://html5labs.interoperabilitybridges.com/prototypes/webs... Full matrix at http://caniuse.com/#feat=websockets http://caniuse.com/#feat=websockets