Examine source code of BIGTIFY NET

{
  "manifest_version": 2,
  "name": "BIGTIFY NET",
  "description": "The Internet Speed Testing Tool",
  "version": "2.0.0",
  "browser_action": {
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "speedtest@bigtify.net",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}