显示HTTP状态码和HEAD信息↓
HTTP/1.1 302 Found
Date: Fri, 28 Jun 2024 13:38:23 GMT
Content-Type: text/html; charset=UTF-8
Connection: keep-alive
Location: https://mail.sina.cn?vt=4
DPOOL_HEADER: mail-sina-com-cn-new-68d79d66c7-ddstq
HTTP/2 200
server: nginx
date: Fri, 28 Jun 2024 13:38:23 GMT
content-type: text/html; charset=UTF-8
vary: Accept-Encoding
expires: Thu, 19 Nov 1981 08:52:00 GMT
cache-control: private, must-revalidate, max-age=0, proxy-revalidate, no-transform
pragma: no-cache
dpool_header: mail-sina-com-cn-new-canary-56ff6f445-ph7th
x-via-ssl: ssl.35.sinag1.yf.lb.sinanode.com