Examine source code of Sondea URL Tracking

{
  "author": "Sondea",
  "background": {
    "scripts": [
      "js/jquery.js",
      "js/fingerprint2.js",
      "js/keygenerator.js",
      "js/jwt-decode.js",
      "js/utils.js",
      "js/rest_conf.js",
      "js/rest.js",
      "js/background.js"
    ]
  },
  "action": {
    "default_popup": "index.html",
    "default_icon": {
      "16": "16.png",
      "48": "48.png"
    }
  },
  "description": "Sondea URLs tracking",
  "icons": {
    "16": "16.png",
    "48": "48.png",
    "128": "128.png"
  },
  "manifest_version": 3,
  "name": "Sondea URL Tracking",
  "permissions": [
    "tabs",
    "storage",
    "activeTab",
    "cookies"
  ],
  "host_permissions": [
    "http://www.sondea.es/*",
    "https://auth-server-dot-despanelcomportamental.ew.r.appspot.com/*",
    "https://auth-server-dot-prepropanelcomportamental.ew.r.appspot.com/*",
    "https://auth-server-dot-propanelcomportamental.ew.r.appspot.com/*",
    "https://tracking-services-dot-despanelcomportamental.ew.r.appspot.com/*",
    "https://tracking-services-dot-prepropanelcomportamental.ew.r.appspot.com/*",
    "https://tracking-services-dot-propanelcomportamental.ew.r.appspot.com/*"
  ],
  "optional_host_permissions": [
    "*://*/*"
  ],
  "version": "3.11",
  "web_accessible_resources": [
    {
      "resources": [
        "48.png"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "sondea@url.tracking"
    }
  }
}