Examine source code of Tab Access Tracker

{
  "manifest_version": 2,
  "name": "Tab Access Tracker",
  "version": "1.6",
  "description": "Track tab access with page name, URL, enter date, and duration",
  "permissions": [
    "tabs",
    "activeTab",
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{60a350c4-8171-470d-bd02-a4bef8f80f65}",
      "strict_min_version": "130.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "16": "icon.svg",
    "48": "icon.svg",
    "128": "icon.svg"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "Tab Access Tracker",
    "default_icon": "icon.svg"
  }
}