显示HTTP状态码和HEAD信息↓
HTTP/1.1 302 Found
Date: Sun, 28 Apr 2024 13:17:38 GMT
Server: *********
X-Frame-Options: SAMEORIGIN
Location: https://math.xpu.edu.cn/
Content-Type: text/html; charset=iso-8859-1
HTTP/1.1 200 OK
Date: Sun, 28 Apr 2024 13:17:38 GMT
Server: *********
X-Frame-Options: SAMEORIGIN
Last-Modified: Thu, 25 Apr 2024 07:40:21 GMT
ETag: "cfd0-616e6e63d0218"
Accept-Ranges: bytes
Content-Length: 53200
Cache-Control: max-age=600
Expires: Sun, 28 Apr 2024 13:27:38 GMT
Vary: Accept-Encoding
Content-Type: text/html