Examine source code of Nielsen Digital

{
  "theme": {
    "images": {
      "theme_frame": "firefox-persona-nd-header.jpg"
    },
    "colors": {
      "frame": "#ffff66",
      "tab_background_text": "#ffcc00"
    }
  },
  "version": "2.0",
  "name": "Nielsen Digital",
  "manifest_version": 2,
  "description": "Nielsen Digital is a full service business to business web application development and design company. FREE ESTIMATES. Please visit our website (<a rel=\"nofollow\" href=\"https://outgoing.prod.mozaws.net/v1/5c9a9e80ff5b007ab9c9c3a02b69715baee39d1d6ee3c8e3b3e73bbc4ea4dc7c/http%3A//nielsendigital.com\">http://nielsendigital.com</a>) for details."
}