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.
Chrome
- 4 - 84: Supported
- 85 - 107: Not supported
- 108: Not supported
- 109 - 111: Not supported
Edge
- 12 - 84: Supported
- 85 - 106: Not supported
- 107: Not supported
Safari
- 3.1 - 3.2: Not supported (but has polyfill available)
- 4 - 16.0: Supported
- 16.1: Supported
- 16.2 - TP: Supported
Firefox
- 2: Not supported (but has polyfill available)
- 3: Partial support
- 3.5 - 83: Supported
- 84 - 106: Not supported
- 107: Not supported
- 108 - 109: Not supported
Opera
- 9 - 9.6: Not supported
- 10 - 10.5: Not supported (but has polyfill available)
- 10.6 - 72: Supported
- 73 - 91: Not supported
- 92: Not supported
IE
- 5.5: Not supported
- 6 - 8: Not supported (but has polyfill available)
- 9: Not supported
- 10: Supported
- 11: Supported
Chrome for Android
- 107: Not supported
Safari on iOS
- 3.2 - 16.0: Supported
- 16.1: Supported
Samsung Internet
- 4 - 18.0: Supported
- 19.0: Supported
Opera Mini
- all: Not supported
Opera Mobile
- 10: Not supported
- 11 - 12.1: Supported
- 72: Not supported
UC Browser for Android
- 13.4: Supported
Android Browser
- 2.1 - 4.4.4: Supported
- 107: Not supported
Firefox for Android
- 106: Not supported
QQ Browser
- 13.1: Supported
Baidu Browser
- 13.18: Not supported
KaiOS Browser
- 2.5: Supported
This technology is being deprecated in favor of Service Workers