Backend Developer
mediumwebsockets-vs-sse

WebSockets vs Server-Sent Events (SSE): when would you use each?

Answer

**WebSockets** are full-duplex (client and server can push messages). **SSE** is server → client only over HTTP. **Use SSE for:** live updates/notifications, simpler infrastructure. **Use WebSockets for:** chat, multiplayer, bi-directional real-time apps. Consider load balancing, connection limits, and message ordering guarantees.

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RealtimeNetworkingBackend

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