What is WebSocket Server?

Turkish: WebSocket Sunucusu

A WebSocket server is the backend component that keeps persistent client connections and routes real-time messages.

What is a WebSocket Server?

A WebSocket server is the backend component that keeps persistent connections with clients and manages real-time message exchange over those connections. Browsers, mobile apps, or other services can connect to it.

How It Works

The server accepts the WebSocket handshake, associates the connection with a user or session, and routes incoming messages to the right recipients. Rooms, channels, presence, heartbeat or ping messages, reconnection, and message authorization are common parts of the design.

WebSocket defines the protocol itself; a WebSocket server is the application layer that runs it in production. It can be built on Node.js with tools such as ws, Socket.IO, or uWebSockets.js. When scaled across multiple servers, Redis Pub/Sub, queues, or managed realtime services may be needed.

Business Use

WebSocket servers power support chat, live operations dashboards, instant order status, courier tracking, and multi-user business tools. For example, a warehouse screen can update package status for all operators at the same time.

Design should define connection limits, per-user authorization, message history, delivery expectations, and observability. Otherwise a connection may appear healthy while messages are lost or sent to the wrong user.