Examine source code of IP Address & Time Display

{
  "manifest_version": 3,
  "name": "IP Address & Time Display",
  "version": "1.3",
  "description": "Display your public IP address and current system time.",
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://whatismyip.akamai.com/*",
    "https://checkip.amazonaws.com/*",
    "https://api.ipify.org/*",
    "https://ipinfo.io/*",
    "https://ifconfig.co/*",
    "https://wtfismyip.com/*",
    "https://icanhazip.com/*",
    "https://ifconfig.io/*",
    "https://ipecho.net/*"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "@IPAddressTime.sheentee.net",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}