Examine source code of SiteRecipe

{
  "manifest_version": 3,
  "name": "SiteRecipe Technology Lookup",
  "version": "2.1.0",
  "description": "Technology and website intelligence lookup",
  "permissions": [
    "storage",
    "tabs"
  ],
  "host_permissions": [
    "https://pro.siterecipe.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://pro.siterecipe.com/extension/activate/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_title": "SiteRecipe Lookup",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{703daefc-c02e-4a2c-8a0a-bb96348f9756}"
    }
  }
}