High-quality kerning pairs & ligatures
- UNOFFWhen used in HTML, the unofficial text-rendering: optimizeLegibility CSS property enables high-quality kerning and ligatures in certain browsers. Newer browsers have this behavior enabled by default.
Chrome
- ✅ 4 - 156: Supported
- ✅ 157: Supported
- ✅ 158 - 160: Supported
Edge
- ❌ 12 - 17: Not supported
- ✅ 18 - 155: Supported
- ✅ 156: Supported
Safari
- ❌ 3.1 - 4: Not supported
- ✅ 5 - 27.1: Supported
- ✅ 27.2: Supported
- ✅ 27.3 - TP: Supported
Firefox
- ❌ 2: Not supported
- ✅ 3 - 159: Supported
- ✅ 160: Supported
- ✅ 161 - 163: Supported
Opera
- ❌ 9 - 12.1: Not supported
- ✅ 15 - 138: Supported
- ✅ 139: Supported
IE
- ❌ 5.5 - 10: Not supported
- ❌ 11: Not supported
Chrome for Android
- ✅ 157: Supported
Safari on iOS
- ﹖ 3.2 - 4.1: Support unknown
- ✅ 4.2 - 26.6: Supported
- ✅ 27.0: Supported
- ✅ 27.1 - 27.2: Supported
Samsung Internet
- ✅ 4 - 30: Supported
- ✅ 31: Supported
Opera Mini
- ❌ all: Not supported
Opera Mobile
- ❌ 10 - 12.1: Not supported
- ✅ 80: Supported
UC Browser for Android
- ✅ 15.5: Supported
Android Browser
- ❌ 2.1 - 2.3: Not supported
- ◐ 3 - 4.3: Partial support
- ✅ 4.4 - 4.4.4: Supported
- ✅ 157: Supported
Firefox for Android
- ✅ 160: Supported
QQ Browser
- ✅ 14.9: Supported
Baidu Browser
- ✅ 13.52: Supported
KaiOS Browser
- ✅ 2.5: Supported
- ✅ 3: Supported
The text-rendering property is specified in SVG, though behavior there is not related to kerning pairs & ligatures.