Google user agent關於「Test user agent」標籤，搜尋引擎有相關的訊息討論：
透過用戶代理偵測瀏覽器- HTTP - MDN Web Docsdeveloper.mozilla.org › 給開發者的網頁技術文件 › HTTPUser Agent Spoofing: What Is It & Why Does It Matter? - CHEQcheq.ai › blog › user-agent-spoofingUser agent - MDN Web Docs Glossary: Definitions of Web-related ...developer.mozilla.org › en-US › Glossa