Offline web applications
- UNOFFNow deprecated method of defining web page files to be cached using a cache manifest file, allowing them to work offline on subsequent visits to the page.
IE
- 5.5: Not supported
- 6 - 8: Not supported (but has polyfill available)
- 9: Not supported
- 10: Supported
- 11: Supported
Edge
- 12 - 84: Supported
- 85 - 102: Not supported
- 103: Not supported
Firefox
- 2: Not supported (but has polyfill available)
- 3: Partial support
- 3.5 - 83: Supported
- 84 - 101: Not supported
- 102: Not supported
- 103 - 104: Not supported
Chrome
- 4 - 84: Supported
- 85 - 102: Not supported
- 103: Not supported
- 104 - 106: Not supported
Safari
- 3.1 - 3.2: Not supported (but has polyfill available)
- 4 - 15.4: Supported
- 15.5: Supported
- 16.0 - TP: Supported
Opera
- 9 - 9.6: Not supported
- 10 - 10.5: Not supported (but has polyfill available)
- 10.6 - 72: Supported
- 73 - 85: Not supported
- 86: Not supported
- 87: Not supported
Safari on iOS
- 3.2 - 15.4: Supported
- 15.5: Supported
- 16.0: Supported
Opera Mini
- all: Not supported
Android Browser
- 2.1 - 4.4.4: Supported
- 103: Not supported
Opera Mobile
- 10: Not supported
- 11 - 12.1: Supported
- 64: Not supported
Chrome for Android
- 103: Not supported
Firefox for Android
- 101: Not supported
UC Browser for Android
- 12.12: Supported
Samsung Internet
- 4 - 16.0: Supported
- 17.0: Supported
QQ Browser
- 10.4: Supported
Baidu Browser
- 7.12: Supported
KaiOS Browser
- 2.5: Supported
This technology is being deprecated in favor of Service Workers