Examine source code of Start Advanz

{
  "manifest_version" : 3 ,
  "name" : "Start Advanz",
  "version" : "1.0.3",
  "description" : "Nueva pestaña sencilla y versátil, idéntica a start.advanz.es",
  "icons" : {
    "48" : "app-icons/start-48.png",
    "96" : "app-icons/start-96.png"
  },
  "chrome_url_overrides" : {
    "newtab" : "index.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "start@advanz.es",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}