HTTP/2 and HTTP/3

Newer HTTP versions that send many requests at once over one connection.

What is HTTP/2 and HTTP/3?

HTTP/2 sends many requests over one connection at once; HTTP/3 does the same over QUIC (UDP) for faster starts and better behaviour on bad networks. The methods and status codes are unchanged.

Level: Master · More Web Development terms at this level

Updated September 27, 2026