Examine source code of Tag & Tech Checker

{
  "manifest_version": 3,
  "name": "Tag & Tech Checker",
  "version": "6.7",
  "description": "Detects Kelkoo, GTM, and the website's e-commerce platform.",
  "permissions": [
    "storage",
    "webRequest",
    "webNavigation",
    "tabs",
    "cookies",
    "declarativeNetRequest"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon-default-16.png",
      "48": "icons/icon-default-48.png",
      "128": "icons/icon-default-128.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "16": "icons/icon-default-16.png",
    "48": "icons/icon-default-48.png",
    "128": "icons/icon-default-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle",
      "all_frames": true
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "tag-tech-checker@yourcompany.com",
      "strict_min_version": "113.0"
    }
  }
}