HTTP/3

HTTP/3 is a major revision of the HTTP network protocol, succeeding HTTP/2.

The most notable difference in HTTP/3 is that it uses a protocol named QUIC over UDP instead of TCP. This reduces latency and eliminates the head-of-line blocking problem in HTTP.

See also

• HTTP on MDN
• HTTP/3 on Wikipedia
• Related glossary terms:
  • HTTP, HTTP 2
  • TCP, QUIC, UDP
  • Latency, Head-of-line blocking