显示HTTP状态码和HEAD信息↓
HTTP/1.1 302 Found
Cache-Control: private
Content-Length: 140
Content-Type: text/html; charset=utf-8
Location: http://www.linkwin.com/
Server: Microsoft-IIS/8.5
X-AspNet-Version: 4.0.30319
X-Powered-By: ASP.NET
Date: Sun, 16 Jun 2024 18:01:03 GMT
HTTP/1.1 200 OK
Server: nginx
Date: Sun, 16 Jun 2024 18:01:03 GMT
Content-Type: text/html; charset=utf-8
Connection: keep-alive
Vary: Accept-Encoding
Cache-Control: private
X-AspNetMvc-Version: 5.2
X-AspNet-Version: 4.0.30319
X-Powered-By: ASP.NET