Examine source code of SEO Report Generator

{
  "manifest_version": 2,
  "name": "SEO Report Generator",
  "version": "1.1",
  "description": "Automatically generate SEO reports for analyzed websites.",
  "permissions": [
    "activeTab",
    "storage",
    "downloads",
    "http://*/*",
    "https://*/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icons/logo_64.png"
  },
  "icons": {
    "64": "icons/logo_64.png"
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{6f59b2f2-c6c5-4d3f-96be-ddc07876d191}"
    }
  }
}