HTML and CSS Reference
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Pragma: no-cache
Cache-Control: no-cache
Sec-WebSocket-Key: AAf/gvkPw6szicrMH3Rwbg==
Sec-WebSocket-Version: 13
Sec-WebSocket-Extensions: x-webkit-deflate-frame
The Sec-WebSocket-Version parameter can help you identify the browser used.
shake from the server should look as follows:
HTTP/1.1 101 Switching Protocols
Upgrade: websocket
Connection: Upgrade
If you are interested in more theoretical details, feel free to read the complete spe-
cification of RFC 6455 at .
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