Examine source code of ShopHop

{
  "manifest_version": 3,
  "name": "ShopHop — Supermarket Price Checker",
  "version": "2.1.3",
  "description": "Compare supermarket prices inline, sync lists and alerts, and view ShopHop price history.",
  "author": "ShopHop",
  "homepage_url": "https://shophop.au",
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png"
    },
    "default_title": "ShopHop"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.woolworths.com.au/*",
        "*://*.coles.com.au/*",
        "*://*.aldi.com.au/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "content.css"
      ],
      "run_at": "document_end"
    }
  ],
  "permissions": [
    "activeTab",
    "storage",
    "alarms",
    "identity",
    "scripting"
  ],
  "host_permissions": [
    "https://shophop.au/*",
    "https://*.woolworths.com.au/*",
    "https://*.coles.com.au/*",
    "https://*.aldi.com.au/*"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "icons/*"
      ],
      "matches": [
        "*://*.woolworths.com.au/*",
        "*://*.coles.com.au/*",
        "*://*.aldi.com.au/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "shophop@shophop.au",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "websiteContent",
          "browsingActivity",
          "searchTerms"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}