Examine source code of Learn Dutch 2BDutch

{
  "theme": {
    "images": {
      "theme_frame": "Header1.jpg"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "Learn Dutch 2BDutch",
  "manifest_version": 2,
  "description": "Learn Dutch at <a href=\"https://outgoing.prod.mozaws.net/v1/2817f2bf113eb25c76cfd684ba27ea81b2bae6e76121db50393319241dd1c0ef/http%3A//www.2bdutch.nl\" rel=\"nofollow\">www.2bdutch.nl</a>\n\nFacebook 2BDutch: <a href=\"https://outgoing.prod.mozaws.net/v1/fa375fd1090c825f318ca968bc1c050d80606ecdf7fbf3a87a932628cebe6972/http%3A//www.facebook.com/%23%21/pages/Learn-Dutch-at-2BDutchnl/329997482977ref=ts\" rel=\"nofollow\">http://www.facebook.com/#!/pages/Learn-Dutch-at-2BDutchnl/329997482977ref=ts</a>\n\nTwitter: <a href=\"https://outgoing.prod.mozaws.net/v1/7e9d4c3b3c62eba0e72a5ef4231b9033e8d4cc854516d84d9b66c189800f12b9/http%3A//twitter.com/%23%21/2bdutch\" rel=\"nofollow\">http://twitter.com/#!/2bdutch</a>"
}