HTTP/3
n.n. Stands for Hypertext Transfer Protocol version 3. The newest way that web browsers and servers talk to each other to make websites load faster and more securely.
n. Abbreviation for Hypertext Transfer Protocol version 3. The third major version of the Hypertext Transfer Protocol, which uses the QUIC transport protocol to reduce latency and improve performance over unreliable networks.
HTTP/3 makes websites load much faster on your mobile device.
Many modern web browsers now support HTTP/3 to improve connection speeds and security.
By utilizing the QUIC transport protocol instead of TCP, HTTP/3 significantly reduces latency and improves performance on unstable networks.
An initialism formed from Hypertext Transfer Protocol, following the numerical sequence established by HTTP/1.1 and HTTP/2. The designation was formally adopted by the Internet Engineering Task Force in 2018 to identify the iteration of the protocol built upon QUIC.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Typically used as a proper noun in technical contexts; often appears without an article.
Last updated July 22, 2026