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 - 136: Not supported
- ❌ 137: Not supported
- ❌ 138 - 140: Not supported
Edge
- ✅ 12 - 84: Supported
- ❌ 85 - 136: Not supported
- ❌ 137: Not supported
Safari
- ❌ 3.1 - 3.2: Not supported (but has polyfill available)
- ✅ 4 - 14.1: Supported
- ❌ 15 - 18.4: Not supported
- ❌ 18.5: Not supported
- ❌ 26.0 - TP: Not supported
Firefox
- ❌ 2: Not supported (but has polyfill available)
- ◐ 3: Partial support
- ✅ 3.5 - 83: Supported
- ❌ 84 - 138: Not supported
- ❌ 139: Not supported
- ❌ 140 - 142: Not supported
Opera
- ❌ 9 - 9.6: Not supported
- ❌ 10 - 10.5: Not supported (but has polyfill available)
- ✅ 10.6 - 72: Supported
- ❌ 73 - 116: Not supported
- ❌ 117: 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
- ❌ 137: Not supported
Safari on iOS
- ✅ 3.2 - 14.8: Supported
- ❌ 15 - 18.4: Not supported
- ❌ 18.5: Not supported
- ❌ 26.0: Not supported
Samsung Internet
- ✅ 4 - 27: Supported
- ✅ 28: Supported
Opera Mini
- ❌ all: Not supported
Opera Mobile
- ❌ 10: Not supported
- ✅ 11 - 12.1: Supported
- ❌ 80: Not supported
UC Browser for Android
- ✅ 15.5: Supported
Android Browser
- ✅ 2.1 - 4.4.4: Supported
- ❌ 137: Not supported
Firefox for Android
- ❌ 139: Not supported
QQ Browser
- ✅ 14.9: Supported
Baidu Browser
- ❌ 13.52: Not supported
KaiOS Browser
- ✅ 2.5: Supported
- ❌ 3: Not supported
This technology is being deprecated in favor of Service Workers