HTTP/3 is a major revision of the HTTP network protocol, providing improved performance and efficiency by using QUIC as the underlying transport protocol.

Compatibility (view on caniuse.com)

• Chrome 87 Released on 2020-11-17
• Chrome Android 87 Released on 2020-11-17
• Edge 87 Released on 2020-11-19
• Firefox 88 Released on 2021-04-19
• Firefox for Android 88 Released on 2021-04-19
• Safari ❌ Search for bugs Search for standards position
• Safari on iOS ❌ Search for bugs Search for standards position

Baseline availability blocked since April 2021 by Safari (43 months)