Learn WebSockets
Everything you need to know about the WebSocket protocol — from basics to advanced topics.
What Is WebSocket? Protocol Explained
WebSocket is a protocol for real-time, two-way communication between browser and server. Learn how it works, when to use it, and see code examples.
WebSocket vs HTTP - Key Differences
Compare WebSocket and HTTP protocols side by side. Performance, latency, use cases, and when to choose which for your application.
WebSocket Handshake - How It Works
Learn how the WebSocket handshake upgrades an HTTP connection to a persistent WebSocket channel, including headers, server response, and debugging.
WebSocket Close Codes - Complete Reference
Every WebSocket close code explained with tables, code examples, and reconnection strategies. Covers standard codes 1000-1015 and custom ranges.
WebSocket vs SSE - Which One to Use?
Compare WebSocket and Server-Sent Events (SSE) for real-time server push. Learn when to pick each protocol based on direction, performance, and complexity.
WebSocket Security Best Practices
Learn essential WebSocket security practices including TLS, origin validation, authentication, rate limiting, and protection against common attacks.
WebSocket Authentication Methods
Learn four practical WebSocket authentication methods with working code examples, from query string tokens to ticket-based exchange.
Scaling WebSocket - Architecture Guide
Learn how to scale WebSocket connections across multiple servers using sticky sessions, Redis pub/sub, and proven architecture patterns.
WSS Protocol and WebSocket over TLS
How WSS (WebSocket Secure) works over TLS. Covers the wss:// scheme, certificates, mixed content, and debugging encrypted connections.
WebSocket Libraries Compared
Compare popular WebSocket libraries across languages. Covers ws, Socket.IO, websockets, gorilla/websocket, SignalR, and more.
WebSocket Examples and Use Cases
Real-world WebSocket examples: chat apps, live dashboards, multiplayer games, notifications, and collaborative editing with code samples.
WebSocket vs gRPC - When to Use Which
Compare WebSocket and gRPC for real-time communication. Covers streaming, performance, browser support, and when to choose each protocol.