Examine source code of IP Location Lookup

{
  "manifest_version": 3,
  "name": "IP Location Lookup",
  "description": "IP Location Lookup by ipwhois.io",
  "version": "1.2.1",
  "author": "IPWHOIS.io",
  "icons": {
    "128": "icon_128.png"
  },
  "action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  },
  "permissions": [
    "activeTab",
    "scripting"
  ],
  "host_permissions": [
    "https://ipwhois.app/*",
    "https://cdn.ipwhois.io/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{3cc4ec19-12d7-4081-9d88-a6082b71e5ec}",
      "strict_min_version": "109.0"
    }
  }
}