Knowledge Base

Answers and Guides

What Recent Updates and Resources Are Available for Socket.IO?

Socket.IO's site lists recent blog posts covering a Bun engine, npm package provenance, a monorepo move, three new adapters, and …

Where to Find and Run a Basic Socket.IO Example

The Socket.IO homepage provides a Basic example that you can run directly in the browser through Replit, StackBlitz, or CodeSandb…

How Socket.IO Scales Across Multiple Servers

Socket.IO can scale horizontally across multiple servers, but not by default: you need a shared transport layer called an adapter…

How does Socket.IO handle connection reliability and reconnection?

Socket.IO keeps a connection alive through three layers of defense: it uses WebSocket when the network allows it, falls back to H…

What is Socket.IO and what is it used for?

Socket.IO is an open-source JavaScript library for real-time, bidirectional communication between a server and a client. You use …