显示HTTP状态码和HEAD信息↓
HTTP/1.1 404 Not Found
Date: Thu, 23 May 2024 02:57:49 GMT
Content-Type: text/html; charset=utf-8
Connection: keep-alive
CF-Cache-Status: DYNAMIC
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v4?s=IYxoJ7gfK1v4ujS6GBGavdpUfDuJoMtjxaecAfMHrbegoygW5LuFv%2FzjTHz1nPrRi7qCo3yb39bjpXj%2BrnbK7FMvHORI6C9H6MByNUJbjcONpeM6CH5LRTI48idzDD14pqk%3D"}],"group":"cf-nel","max_age":604800}
NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
Server: cloudflare
CF-RAY: 8881c7d9ebe49571-LHR
alt-svc: h3=":443"; ma=86400