Examine source code of Image Lazy Load Detector

{
  "manifest_version": 2,
  "name": "Image Lazy Load Detector",
  "version": "1.0",
  "description": "Detect and analyze lazy loading images with visual indicators and performance metrics",
  "permissions": [
    "activeTab",
    "storage",
    "tabs"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "lazydetector.js"
      ],
      "css": [
        "lazydetector.css"
      ],
      "run_at": "document_end"
    }
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "Image Lazy Load Detector",
    "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": "{d24991ca-f74c-4736-b9f7-827c20df555e}"
    }
  }
}