Web platform features explorer

Server-sent events

Widely available since 2022-07-15
Tags: api Groups: Messaging

The EventSource API creates a connection to a server and listens to a stream of events sent by the server.

Specifications

Browser support (view on caniuse.com)

  • Chrome 6 Released on 2010-09-02
  • Chrome Android 18 Released on 2012-06-27
  • Edge 79 Released on 2020-01-15
  • Firefox 6 Released on 2011-08-16
  • Firefox for Android 45 Released on 2016-03-08
  • Safari 5 Released on 2010-06-07
  • Safari on iOS 5 Released on 2011-10-12