juniorWebSockets
What is a WebSocket frame?
Updated May 6, 2026
Short answer
A frame is a unit of data transmitted over a WebSocket connection.
Deep explanation
WebSocket messages are broken into frames containing metadata and payload. Frames enable efficient streaming of large messages.
Real-world example
Streaming video chunks over WebSockets.
Common mistakes
- Confusing frames with HTTP packets.
Follow-up questions
- Are frames visible to developers?