Examine source code of Semrush Website SEO Tools

{
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {},
  "manifest_version": 2,
  "icons": {
    "128": "128x128.png"
  },
  "name": "Semrush Website SEO Tools",
  "description": "Instantly shows website rankings using extension icons",
  "permissions": [
    "activeTab",
    "webNavigation",
    "https://seoquake.publicapi.semrush.com/*"
  ],
  "version": "1.1.1",
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "style.css"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{2786e152-a7ce-419e-a077-efdebb64a74c}"
    }
  }
}