显示HTTP状态码和HEAD信息↓
HTTP/1.0 302 Moved Temporarily
Location: https://dag.csu.edu.cn/
Server: BigIP
Connection: Keep-Alive
Content-Length: 0
HTTP/1.1 200 OK
Date: Tue, 11 Jun 2024 10:20:46 GMT
Server: *********
X-Frame-Options: SAMEORIGIN
Last-Modified: Tue, 11 Jun 2024 07:19:28 GMT
Accept-Ranges: bytes
Content-Length: 73234
Cache-Control: max-age=600
Expires: Tue, 11 Jun 2024 10:30:46 GMT
Vary: Accept-Encoding
ETag: "11e12-61a9816226907-gzip"
Keep-Alive: timeout=5, max=87
Connection: close
Content-Type: text/html
Content-Language: zh-CN