Examine source code of Meta Tag Analyzer vg2

{
  "manifest_version": 2,
  "name": "Meta Tag Analyzer",
  "version": "1.2",
  "description": "Analyze and display meta tag information from the current website.",
  "icons": {
    "64": "icons/logo_64.png"
  },
  "permissions": [
    "activeTab",
    "tabs"
  ],
  "browser_action": {
    "default_icon": "icons/logo_64.png",
    "default_popup": "popup.html",
    "default_title": "Analyze Meta Tags"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{3d59c534-82f9-4cec-96b2-51b1cce206d2}"
    }
  }
}