HTTP/2 protocol
- OTHERNetworking protocol for low-latency transport of content over the web. Originally started out from the SPDY protocol, now standardized as HTTP version 2.
Chrome
- ❌ 4 - 40: Not supported
- ✅ 41 - 50: Supported
- ✅ 51 - 129: Supported
- ✅ 130: Supported
- ✅ 131 - 133: Supported
Edge
- ✅ 12 - 18: Supported
- ✅ 79 - 129: Supported
- ✅ 130: Supported
Safari
- ❌ 3.1 - 8: Not supported
- ◐ 9 - 10.1: Partial support
- ✅ 11 - 17.6: Supported
- ✅ 18.0: Supported
- ✅ 18.1 - TP: Supported
Firefox
- ❌ 2 - 35: Not supported
- ✅ 36 - 52: Supported
- ✅ 53 - 131: Supported
- ✅ 132: Supported
- ✅ 133 - 135: Supported
Opera
- ❌ 9 - 27: Not supported
- ✅ 28 - 37: Supported
- ✅ 38 - 113: Supported
- ✅ 114: Supported
IE
- ❌ 5.5 - 10: Not supported
- ◐ 11: Partial support
Chrome for Android
- ✅ 130: Supported
Safari on iOS
- ❌ 3.2 - 8.4: Not supported
- ✅ 9 - 17.7: Supported
- ✅ 18.0: Supported
- ✅ 18.1: Supported
Samsung Internet
- ✅ 4: Supported
- ✅ 5 - 25: Supported
- ✅ 26: Supported
Opera Mini
- ❌ all: Not supported
Opera Mobile
- ❌ 10 - 12.1: Not supported
- ✅ 80: Supported
UC Browser for Android
- ✅ 15.5: Supported
Android Browser
- ❌ 2.1 - 4.4.4: Not supported
- ✅ 130: Supported
Firefox for Android
- ✅ 130: Supported
QQ Browser
- ✅ 14.9: Supported
Baidu Browser
- ✅ 13.52: Supported
KaiOS Browser
- ✅ 2.5: Supported
- ✅ 3: Supported
HTTP/2 is only supported over TLS (HTTPS). See also the precursor of HTTP/2, the SPDY protocol, which has been deprecated and removed from most browsers, in favor of HTTP/2.