This is probably a better solution to the problem that is already implemented in one, albeit unpopular, browser: http://www.whatwg.org/specs/web-apps/current-w

This is probably a better solution to the problem that is already implemented in one, albeit unpopular, browser: http://www.whatwg.org/specs/web-apps/current-work/multipage/comms.html#server-sent-events http://www.whatwg.org/specs/web-apps/current-work/multipage/...