Which Browsers Support the HTML5 WebSocket API?

Which Browsers Support the HTML5 WebSocket API?

Developing an instant messaging application for the browser requires understanding which browsers support the WebSocket API. This technology allows for real-time bidirectional communication over a single TCP connection, enabling instant message functionality.

Client-Side Support

• Hixie-75: Chrome 4.0 5.0, Safari 5.0.0
• HyBi-00/Hixie-76: Chrome 6.0 - 13.0, Safari 5.0.2 5.1, iOS 4.2 iOS 5
• HyBi-07 : Chrome 14.0, Firefox 6.0 (prefixed: MozWebSocket), IE 9 (via Silverlight extension)
• HyBi-10: Chrome 14.0 15.0, Firefox 7.0 8.0 9.0 10.0 (prefixed: MozWebSocket), IE 10
• HyBi-17/RFC 6455: Chrome 16, Firefox 11, Opera 12.10 / Opera Mobile 12.1

Browsers with Flash support can also utilize WebSocket through the web-socket-js shim.

Server-Side Support

Server-side support depends on the programming language used:

Java/Java EE

• Jetty, GlassFish, Caucho Resin, Tomcat, JSR 356

Other Java Implementations

• Kaazing Gateway, jWebSocket, Netty, xLightWeb, Webbit, Atmosphere, Grizzly, ActiveMQ, Camel

C#

• XSockets.NET, SuperWebSocket, Nugget, Alchemy-Websockets, Fleck, SignalR

PHP

• Ratchet, phpwebsocket, Extendible Web Socket Server, phpdaemon

Python

• pywebsockets, websockify, gevent-websocket, gevent-socketio, flask-sockets, Autobahn, Tornado

Node.js

• Socket.io, sockjs, WebSocket-Node

Vert.x (Node.x)

• Multiple languages supported (Ruby, Java, Groovy, Javascript, Scala, etc.)
• True threading
• Supports multiple network protocols

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