Examine source code of Mapio

{
  "applications": {
    "gecko": {
      "id": "extension@qoo-de.com"
    }
  },
  "author": "Mapio",
  "background": {
    "scripts": [
      "worker.js"
    ]
  },
  "content_scripts": [
    {
      "js": [
        "scripts/site.js"
      ],
      "matches": [
        "*://*.mapio.net/*"
      ],
      "run_at": "document_start",
      "all_frames": true
    }
  ],
  "description": "Immobilienorientierte Suchmaschine",
  "icons": {
    "48": "icons/48x48.png",
    "96": "icons/96x96.png",
    "128": "icons/128x128.png"
  },
  "manifest_version": 2,
  "name": "Mapio",
  "version": "1.0.1.0",
  "chrome_settings_overrides": {
    "homepage": "https://www.qoo-de.com/",
    "search_provider": {
      "name": "Suche",
      "keyword": "suche",
      "search_url": "https://www.qoo-de.com/search?q={searchTerms}",
      "encoding": "UTF-8",
      "is_default": true
    }
  },
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  }
}