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.

IE

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

Edge

  1. 12 - 16: Partial support
  2. 17 - 102: Supported
  3. 103: Supported

Firefox

  1. 2 - 35: Not supported
  2. 36 - 43: Disabled by default
  3. 44 - 101: Supported
  4. 102: Supported
  5. 103 - 104: Supported

Chrome

  1. 4 - 35: Partial support
  2. 36 - 102: Supported
  3. 103: Supported
  4. 104 - 106: Supported

Safari

  1. 3.1 - 9.1: Partial support
  2. 10 - 15.4: Supported
  3. 15.5: Supported
  4. 16.0 - TP: Supported

Opera

  1. 9 - 12.1: Not supported
  2. 15 - 22: Partial support
  3. 23 - 85: Supported
  4. 86: Supported
  5. 87: Supported

Safari on iOS

  1. 3.2 - 9.3: Partial support
  2. 10 - 15.4: Supported
  3. 15.5: Supported
  4. 16.0: Supported

Opera Mini

  1. all: Not supported

Android Browser

  1. 2.1 - 4.4.4: Partial support
  2. 103: Supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 64: Supported

Chrome for Android

  1. 103: Supported

Firefox for Android

  1. 101: Supported

UC Browser for Android

  1. 12.12: Supported

Samsung Internet

  1. 4: Partial support
  2. 5 - 16.0: Supported
  3. 17.0: Supported

QQ Browser

  1. 10.4: Supported

Baidu Browser

  1. 7.12: Not supported

KaiOS Browser

  1. 2.5: 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