Examine source code of IP data

{
  "name": "IP data",
  "short_name": "IPdata",
  "description": "Find out your public IP address, IP location: country and flag",
  "version": "0.1",
  "author": "httpstuff.com",
  "manifest_version": 3,
  "icons": {
    "32": "icons/ip32.png",
    "48": "icons/ip48.png",
    "64": "icons/ip64.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "IP data",
    "default_icon": "icons/ip32.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "ipdata@httpstuff.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "host_permissions": [
    "https://httpstuff.com/jsip"
  ]
}