SPDY protocol
- UNOFFNetworking protocol for low-latency transport of content over the web. Superseded by HTTP version 2.
Chrome
- ✅ 4 - 50: Supported
- ❌ 51 - 130: Not supported
- ❌ 131: Not supported
- ❌ 132 - 134: Not supported
Edge
- ❌ 12 - 130: Not supported
- ❌ 131: Not supported
Safari
- ❌ 3.1 - 7.1: Not supported
- ✅ 8 - 12: Supported
- ✅ 12.1 - 18.0: Supported
- ✅ 18.1: Supported
- ✅ 18.2 - TP: Supported
Firefox
- ❌ 2 - 12: Not supported
- ✅ 13 - 50: Supported
- ❌ 51 - 132: Not supported
- ❌ 133: Not supported
- ❌ 134 - 136: Not supported
Opera
- ❌ 9 - 12: Not supported
- ✅ 12.1 - 39: Supported
- ❌ 40 - 41: Not supported
- ✅ 42: Supported
- ❌ 43: Not supported
- ✅ 44: Supported
- ❌ 45 - 113: Not supported
- ❌ 114: Not supported
IE
- ❌ 5.5 - 10: Not supported
- ✅ 11: Supported
Chrome for Android
- ❌ 131: Not supported
Safari on iOS
- ❌ 3.2 - 7.1: Not supported
- ✅ 8 - 12.1: Supported
- ✅ 12.2 - 18.0: Supported
- ✅ 18.1: Supported
- ✅ 18.2: Supported
Samsung Internet
- ✅ 4: Supported
- ❌ 5 - 25: Not supported
- ❌ 26: Not supported
Opera Mini
- ❌ all: Not supported
Opera Mobile
- ❌ 10 - 12: Not supported
- ✅ 12.1: Supported
- ❌ 80: Not supported
UC Browser for Android
- ❌ 15.5: Not supported
Android Browser
- ❌ 2.1 - 2.3: Not supported
- ✅ 3 - 4.4.4: Supported
- ❌ 131: Not supported
Firefox for Android
- ❌ 132: Not supported
QQ Browser
- ❌ 14.9: Not supported
Baidu Browser
- ❌ 13.52: Not supported
KaiOS Browser
- ✅ 2.5: Supported
- ❌ 3: Not supported
See also support for HTTP2, successor of SPDY.
- Resources:
- SPDY whitepaper
- Wikipedia