WebSockets and Node.js - testing WS and SockJS by building a web app

This post discusses implementing low-level WebSockets libraries with Node.js as the WebSocket server. It covers WS, a WebSocket server for Node.js, and SockJS, which mimics the native WebSocket API and falls back to HTTP when necessary. The post also explores scaling challenges with WebSockets and how third-party services like Ably can help manage these issues.

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