Examine source code of Domain Visit Tracker

{
  "manifest_version": 2,
  "name": "Domain Visit Tracker",
  "version": "1.0",
  "description": "Track daily page visits per domain with real-time display and historical charts",
  "permissions": [
    "webNavigation",
    "storage",
    "activeTab",
    "tabs"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "Domain Visit Tracker"
  },
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{0dddd3c2-44d1-44fb-864e-60e3c5ff8726}"
    }
  }
}