显示HTTP状态码和HEAD信息↓
HTTP/1.1 200 OK
Server: nginx
Date: Fri, 21 Jun 2024 16:38:47 GMT
Content-Type: text/html
Content-Length: 32221
Last-Modified: Thu, 30 Dec 2021 12:17:58 GMT
Connection: keep-alive
Vary: Accept-Encoding
ETag: "61cda376-7ddd"
Strict-Transport-Security: max-age=31536000
Accept-Ranges: bytes