Examine source code of Web Authority - SEO & Page Analyzer

{
  "manifest_version": 3,
  "name": "Web Authority - SEO & Page Analyzer",
  "version": "1.0.1",
  "description": "Analyze metadata, headers, schema, and technical SEO signals instantly. The fastest SEO diagnostics tool for your browser.",
  "author": "Loopstates",
  "browser_specific_settings": {
    "gecko": {
      "id": "web-authority@loopstates.com",
      "strict_min_version": "115.0",
      "data_collection_permissions": {
        "required": [
          "personallyIdentifyingInfo",
          "websiteContent"
        ]
      }
    }
  },
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "background": {
    "scripts": [
      "background/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content/content.js"
      ]
    }
  ],
  "permissions": [
    "activeTab",
    "scripting",
    "alarms",
    "storage",
    "webRequest"
  ],
  "host_permissions": [
    "https://api.freemius.com/*",
    "http://*/*",
    "https://*/*"
  ]
}