The WebSocket Handbook: learn about the technology behind the realtime web
Standardized a decade ago through RFC 6455, WebSocket has since matured into one of the main technologies powering the modern web. Designed to be event-driven and full-duplex, and optimized for minimum overhead and low latency, WebSockets have become a preferred choice for many organizations and developers seeking to build interactive, realtime digital experiences that provide delightful user experiences.