Examine source code of Conductor SEO Extension

{
  "name": "Conductor SEO Extension",
  "version": "4.10.8",
  "description": "Experience faster, better, smarter SEO insights in one click. The most advanced SEO extension is now free for all marketers.",
  "manifest_version": 2,
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "permissions": [
    "tabs",
    "activeTab",
    "webRequest",
    "storage",
    "cookies",
    "<all_urls>"
  ],
  "browser_action": {
    "default_title": "Conductor SEO Extension",
    "default_icon": {
      "32": "assets/icon.png"
    }
  },
  "icons": {
    "128": "assets/icon.png"
  },
  "content_scripts": [
    {
      "js": [
        "contentScript.js"
      ],
      "css": [],
      "matches": [
        "<all_urls>"
      ]
    },
    {
      "js": [
        "clientRedirects.js"
      ],
      "run_at": "document_end",
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "background": {
    "scripts": [
      "serviceWorker.js"
    ],
    "persistent": false
  },
  "options_page": "options.html",
  "web_accessible_resources": [
    "assets/*.png",
    "assets/*.svg",
    "fonts/*.otf",
    "heap/*.*",
    "contentScript.css",
    "heap.js"
  ],
  "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwLVTGm1MH4wzbQ/y4WcosuoQRQx9UyFmYJ5vMDdHgUiMieKivlhwFwbt7DtDc8Yb3yKk5RAgHwKaBzzHxHoIhR5rbWZnyZ3F7AFk1+zdeVLxokm+dQyKf4PjtEjkNvfbWNKeFOOPJ1p6ExzdEu9PlNFjUJfTSU6tn/kcEyEIBXWzI7QXM8jWxWCQ7PK3OiuaESWEDYbnLMCdC96BQmeHFIs+37JhOepnaU4qJd0ogPLi0fBbHrxRAbA+h0/UMGK+rWqcEWXf5r9qyCSK64QubbW8IRNDBRcXdwXnnsXZe4N47mtOhKM3AS4VwOPZ2AKeMyouNdvryRNEOIwoNMtSXwIDAQAB",
  "browser_specific_settings": {
    "gecko": {
      "id": "{572b9c4a-5c5c-484b-8134-be987c845f2c}"
    }
  }
}