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Font unicode-range subsetting

- CR

This @font-face descriptor defines the set of Unicode codepoints that may be supported by the font face for which it is declared. The descriptor value is a comma-delimited list of Unicode range (<urange>) values. The union of these ranges defines the set of codepoints that serves as a hint for user agents when deciding whether or not to download a font resource for a given text run.

Chrome

  1. ◐ 4 - 35: Partial support
  2. ✅ 36 - 153: Supported
  3. ✅ 154: Supported
  4. ✅ 155 - 157: Supported

Edge

  1. ◐ 12 - 16: Partial support
  2. ✅ 17 - 153: Supported
  3. ✅ 154: Supported

Safari

  1. ◐ 3.1 - 9.1: Partial support
  2. ✅ 10 - 26.6: Supported
  3. ✅ 27: Supported
  4. ✅ 27.1 - TP: Supported

Firefox

  1. ❌ 2 - 35: Not supported
  2. ❌ 36 - 43: Disabled by default
  3. ✅ 44 - 157: Supported
  4. ✅ 158: Supported
  5. ✅ 159 - 161: Supported

Opera

  1. ❌ 9 - 12.1: Not supported
  2. ◐ 15 - 22: Partial support
  3. ✅ 23 - 134: Supported
  4. ✅ 135: Supported

IE

  1. ❌ 5.5 - 8: Not supported
  2. ◐ 9 - 10: Partial support
  3. ◐ 11: Partial support

Chrome for Android

  1. ✅ 154: Supported

Safari on iOS

  1. ◐ 3.2 - 9.3: Partial support
  2. ✅ 10 - 26.6: Supported
  3. ✅ 27.0: Supported
  4. ✅ 27.1 - 27.2: Supported

Samsung Internet

  1. ◐ 4: Partial support
  2. ✅ 5 - 29: Supported
  3. ✅ 30: Supported

Opera Mini

  1. ❌ all: Not supported

Opera Mobile

  1. ❌ 10 - 12.1: Not supported
  2. ✅ 80: Supported

UC Browser for Android

  1. ✅ 15.5: Supported

Android Browser

  1. ◐ 2.1 - 4.4.4: Partial support
  2. ✅ 154: Supported

Firefox for Android

  1. ✅ 157: Supported

QQ Browser

  1. ✅ 14.9: Supported

Baidu Browser

  1. ✅ 13.52: Supported

KaiOS Browser

  1. ✅ 2.5: Supported
  2. ✅ 3: Supported

Partial support indicates that unnecessary code-ranges are downloaded by the browser - see browser test matrix.

Resources:
Safari CSS Reference: unicode-range
MDN Web Docs - CSS unicode-range
Demo
Web Platform Docs: unicode-range