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User Agent 字符串是如何生成的
User-Agent (UA) 字符串是浏览器和爬虫发送给 Web 服务器以识别身份的 HTTP 报头。它通常包含浏览器名称、版本、渲染引擎和操作系统信息。
Frequently Asked Questions
是的。从“类型”下拉菜单中选择“机器人 / 爬虫 (Bot / Crawler)”，即可获得如 Googlebot、Bingbot 等知名爬虫的 UA 字符串。
Yes. Chrome major versions range from 110 to 124, Firefox from 115 to 126, and Safari minor versions vary — all within the range of versions commonly seen in real traffic.
Yes. Select "Bot / Crawler" from the Type dropdown to get only well-known bot UA strings such as Googlebot, Bingbot, curl and Python requests.
Yes. The bot UA strings match the signatures used by major crawlers. Test your allow/block lists against them.
Yes. Generate up to 1,000 user agents and export to CSV or JSON.
Related Tools
所有生成的数据均为虚构，不适合作为真实的个人信息使用。