headers HTTP header: Cache-Control: `immutable`
IE
- 6 - 10: Not supported
- 11: Not supported
Edge
- 12 - 14: Not supported
- 15 - 18: Supported
- 79 - 116: Not supported
- 117: Not supported
Firefox
- 2 - 48: Not supported
- 49 - 116: Supported
- 117: Supported
- 118 - 120: Supported
Chrome
- 4 - 116: Not supported
- 117: Not supported
- 118 - 120: Not supported
Safari
- 3.1 - 10.1: Not supported
- 11 - 16.6: Supported
- 17.0: Supported
- 17.1 - TP: Supported
Opera
- 10 - 101: Not supported
- 102: Not supported
Safari on iOS
- 3.2 - 10.3: Not supported
- 11 - 16.6: Supported
- 17.0: Supported
- 17.1: Supported
Opera Mini
- all: Support unknown
Android Browser
- 2.1 - 4.4.4: Not supported
- 117: Not supported
Opera Mobile
- 12 - 12.1: Not supported
- 73: Not supported
Chrome for Android
- 117: Not supported
Firefox for Android
- 117: Not supported
UC Browser for Android
- 15.5: Support unknown
Samsung Internet
- 4 - 21: Not supported
- 22: Not supported
QQ Browser
- 13.1: Support unknown
Baidu Browser
- 13.18: Support unknown
KaiOS Browser
- 2.5: Support unknown
- 3: Support unknown