Examine source code of Yogyacarderlink

{
  "theme": {
    "images": {
      "theme_frame": "Ycl.jpg"
    },
    "colors": {
      "frame": "#ffffff",
      "tab_background_text": "#2fff00"
    }
  },
  "version": "2.0",
  "name": "Yogyacarderlink",
  "manifest_version": 2,
  "description": "<a href=\"https://outgoing.prod.mozaws.net/v1/23b7eae21830101ad1c6f499cc5a7dcb0f8bbc6b87f607bdeb166497f1a66480/http%3A//www.yogyacarderlink.web.id\" rel=\"nofollow\">www.yogyacarderlink.web.id</a>"
}