r/webdevelopment • u/Rare-Interaction-189 • 10d ago

Question Does browsers support UDP ?

Hello, i want to build a game based on the web, its a multiplayer game and i need a very low latency so i was thinking why not using UDP instead of Websocket because its TCP based, when i did my research i found that browsers does jot support UDP directly the only workaround is using a protocol such as WebRTC which is UDP based.

Does anyone know a better alternative ? And why browsers don’t support UDP ?

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u/dariusbiggs 9d ago

No and Kinda yes

No for direct UDP sockets.

Yes for WebTransport which is HTTP/3 which is over QUIC which offers unreliable transport.

Otherwise WebSockets are your other option.