CSS.PlatformFontUsage

Information about amount of glyphs that were rendered with given font.

{
  "id": "PlatformFontUsage",
  "type": "object",
  "properties": [
    {
      "name": "familyName",
      "type": "string",
      "description": "Font's family name reported by platform."
    },
    {
      "name": "isCustomFont",
      "type": "boolean",
      "description": "Indicates if the font was downloaded or resolved locally."
    },
    {
      "name": "glyphCount",
      "type": "number",
      "description": "Amount of glyphs that were rendered with this font."
    }
  ],
  "description": "Information about amount of glyphs that were rendered with given font.",
  "experimental": true
}