Examine source code of Rick the Stick

{
  "theme": {
    "images": {
      "theme_frame": "firefoxtop.jpg"
    },
    "colors": {
      "frame": "#ebebeb",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Rick the Stick",
  "manifest_version": 2,
  "description": "Rick the Stick is an extraordinary stickman living in an ordinary cartoon world - drop by and visit his unusual brand of hilarity at <a href=\"https://outgoing.prod.mozaws.net/v1/c639ecf5882ba2bb9312357fc8ce8f0ec96ccbb88ff02a953c3b7f102f36a0c3/http%3A//RicktheStick.com\" rel=\"nofollow\">RicktheStick.com</a> for a new daily comic Monday through Friday!"
}