Examine source code of next-episode.net

{
  "theme": {
    "images": {
      "theme_frame": "nepersona.png"
    },
    "colors": {
      "frame": "#000000",
      "tab_background_text": "#ff9900"
    }
  },
  "version": "2.0",
  "name": "next-episode.net",
  "manifest_version": 2,
  "description": "Persona for best place online for TV addicts: <a href=\"https://outgoing.prod.mozaws.net/v1/cd417b00d3704e07336db4e389135ad4473f2591bc481ab4bd69bfa9119c272d/http%3A//NEXT-EPISODE.NET\" rel=\"nofollow\">NEXT-EPISODE.NET</a>, the site that brings you instant information about the next episode of your favourite TV show!"
}