The WebSocket Hub
Testing tools, language guides, tutorials, and a Chrome extension for debugging WebSocket connections. All in one place.
Learn WebSockets
Understand how WebSockets work: the protocol, handshake, close codes, security, and more.
Browse articles →Language Guides
Practical WebSocket examples in JavaScript, Python, Go, Rust, Java, C#, and more.
Browse guides →Testing and Debugging
Tools comparison, testing strategies, load testing, debugging. Everything for QA.
Browse articles →Online WebSocket Tools
Test WebSocket connections directly in your browser. No installation needed.