显示HTTP状态码和HEAD信息↓
HTTP/1.1 302 Found
Date: Tue, 23 Apr 2024 10:56:28 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-canary-649d4f648b-gv2sk
HTTP/2 200
server: nginx
date: Tue, 23 Apr 2024 10:56:28 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-6db6557dbd-9vclf
x-via-ssl: ssl.33.wbg1.bx.lb.sinanode.com