Examine source code of Audit Your Store

{
  "manifest_version": 3,
  "name": "Audit Your Store",
  "version": "1.1.1",
  "description": "Audit your store to boost your eCommerce conversion rate & revenue",
  "action": {
    "default_popup": "audit-your-store.html",
    "default_icon": {
      "16": "icon_16.png",
      "48": "icon_48.png",
      "128": "icon_128.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "hi@audityourstore.com",
      "strict_min_version": "58.0"
    }
  },
  "permissions": [
    "storage"
  ],
  "icons": {
    "16": "icon_16.png",
    "48": "icon_48.png",
    "128": "icon_128.png"
  }
}