Examine source code of Website Font Analyzer

{
  "manifest_version": 2,
  "name": "Website Font Analyzer",
  "version": "1.0",
  "description": "Analyze and identify fonts used on websites with detailed typography statistics",
  "permissions": [
    "activeTab",
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "fontanalyzer.js"
      ],
      "css": [
        "fontanalyzer.css"
      ],
      "run_at": "document_end"
    }
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "Website Font Analyzer",
    "default_icon": {
      "16": "icon16.png",
      "48": "icon48.png",
      "128": "icon128.png"
    }
  },
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e08678c1-89e9-42d5-9337-a59335642052}"
    }
  }
}