显示HTTP状态码和HEAD信息↓
HTTP/1.1 301 Moved Permanently
Location: https://developers.baidu.com/
Date: Thu, 23 May 2024 21:34:49 GMT
Content-Type: text/plain; charset=utf-8
HTTP/1.1 301 Moved Permanently
Location: https://developer.baidu.com
Date: Thu, 23 May 2024 21:34:49 GMT
Content-Type: text/plain; charset=utf-8
HTTP/1.1 200 OK
Cache-Control: s-maxage=10, stale-while-revalidate
Connection: keep-alive
Content-Length: 100254
Content-Type: text/html; charset=utf-8
Date: Thu, 23 May 2024 21:34:49 GMT
Etag: "1879e-mKN3fXIDW7ho4sKtt//3tAffJoE"
Vary: Accept-Encoding
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