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https://caniwebview.com/features/mdn-http-header-secwebsocketaccept/
Can I WebView… HTTP header: Sec-WebSocket-Accept
HTTP header: Sec-WebSocket-Accept
http header secwebsocketaccept
https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Sec-WebSocket-Protocol
Sec-WebSocket-Protocol header - HTTP | MDN
The HTTP Sec-WebSocket-Protocol request and response header is used in the WebSocket opening handshake to negotiate a sub-protocol to use in the communication....
header http mdnsec websocketprotocol
https://http.dev/sec-websocket-key
Sec-WebSocket-Key - Expert Guide to HTTP headers
Apr 4, 2026 - Initiate WebSocket connections with Sec-WebSocket-Key. Understand the base64 nonce preventing accidental HTTP-to-WebSocket upgrades.
sec websocketexpert guidehttp headerskey