Examine source code of analyticsLink

{
  "manifest_version": 2,
  "name": "analyticsLink",
  "version": "1.0",
  "description": "Useful links for Analysis",
  "homepage_url": "https://giovannifulin.com",
  "icons": {
    "48": "icons/beasts-48.png"
  },
  "permissions": [
    "activeTab",
    "tabs"
  ],
  "browser_action": {
    "default_icon": "icons/beasts-32.png",
    "default_title": "analyticsLink",
    "default_popup": "popup/popup.html"
  }
}