Ruby annotation
- LSMethod of adding pronunciation or other annotations using ruby elements (primarily used in East Asian typography).
Chrome
- ❌ 4: Not supported (but has polyfill available)
- ◐ 5 - 141: Partial support
- ◐ 142: Partial support
- ◐ 143 - 145: Partial support
Edge
- ◐ 12 - 141: Partial support
- ◐ 142: Partial support
Safari
- ❌ 3.1 - 4: Not supported (but has polyfill available)
- ◐ 5 - 26.0: Partial support
- ◐ 26.1: Partial support
- ◐ 26.2 - TP: Partial support
Firefox
- ❌ 2 - 37: Not supported (but has polyfill available)
- ✅ 38 - 143: Supported
- ✅ 144: Supported
- ✅ 145 - 147: Supported
Opera
- ❌ 9 - 12.1: Not supported (but has polyfill available)
- ◐ 15 - 121: Partial support
- ◐ 122: Partial support
IE
- ◐ 5.5 - 8: Partial support
- ◐ 9 - 10: Partial support
- ◐ 11: Partial support
Chrome for Android
- ◐ 142: Partial support
Safari on iOS
- ❌ 3.2 - 4.3: Not supported (but has polyfill available)
- ◐ 5 - 18.6: Partial support
- ◐ 26.0: Partial support
- ◐ 26.1: Partial support
Samsung Internet
- ◐ 4 - 28: Partial support
- ◐ 29: Partial support
Opera Mini
- ❌ all: Not supported (but has polyfill available)
Opera Mobile
- ❌ 10 - 12.1: Not supported (but has polyfill available)
- ◐ 80: Partial support
UC Browser for Android
- ◐ 15.5: Partial support
Android Browser
- ❌ 2.1 - 2.3: Not supported (but has polyfill available)
- ◐ 3 - 4.4.4: Partial support
- ◐ 142: Partial support
Firefox for Android
- ✅ 144: Supported
QQ Browser
- ◐ 14.9: Partial support
Baidu Browser
- ◐ 13.52: Partial support
KaiOS Browser
- ✅ 2.5: Supported
- ✅ 3: Supported
Browsers without native support can still simulate support using CSS. Partial support refers to only supporting basic ruby, may still be missing writing-mode, Complex ruby and CSS3 Ruby.