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
  2. 9 - 10
  3. 11

Edge

  1. 12 - 16
  2. 17 - 81
  3. 83

Firefox

  1. 2 - 35
  2. 36 - 43
  3. 44 - 75
  4. 76
  5. 77 - 78

Chrome

  1. 4 - 35
  2. 36 - 81
  3. 83
  4. 84 - 86

Safari

  1. 3.1 - 9.1
  2. 10 - 13
  3. 13.1
  4. TP

Opera

  1. 9 - 12.1
  2. 15 - 22
  3. 23 - 67
  4. 68

iOS Safari

  1. 3.2 - 9.3
  2. 10 - 13.3
  3. 13.4

Opera Mini

  1. all

Android Browser

  1. 2.1 - 4.4.4
  2. 81

Blackberry Browser

  1. 7
  2. 10

Opera Mobile

  1. 10 - 12.1
  2. 46

Chrome for Android

  1. 81

Firefox for Android

  1. 68

IE Mobile

  1. 10
  2. 11

UC Browser for Android

  1. 12.12

Samsung Internet

  1. 4
  2. 5 - 10.1
  3. 11.1

QQ Browser

  1. 10.4

Baidu Browser

  1. 7.12

KaiOS Browser

  1. 2.5

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

Resources:
Demo
Safari CSS Reference: unicode-range
MDN Web Docs - CSS unicode-range
Microsoft Edge feature request on UserVoice
Web Platform Docs: unicode-range