Examine source code of Bounce Rate Tracker

{
  "manifest_version": 2,
  "name": "Bounce Rate Tracker",
  "version": "1.1",
  "description": "Measure the bounce rate of websites by tracking user interactions.",
  "permissions": [
    "storage",
    "activeTab"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icons/logo_64.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{b0b7d736-9ca0-4e06-9d11-7cbbcb707b70}"
    }
  }
}