显示HTTP状态码和HEAD信息↓
HTTP/1.1 200 OK
Connection: keep-alive
Content-Length: 9238
Server: GitHub.com
Content-Type: text/html; charset=utf-8
Last-Modified: Wed, 28 Dec 2016 09:41:01 GMT
Access-Control-Allow-Origin: *
ETag: "586388ad-2416"
expires: Fri, 07 Jun 2024 09:23:04 GMT
Cache-Control: max-age=600
x-proxy-cache: MISS
X-GitHub-Request-Id: 7128:278D0F:20358C:2165D2:6662CF1F
Accept-Ranges: bytes
Age: 0
Date: Fri, 07 Jun 2024 18:22:18 GMT
Via: 1.1 varnish
X-Served-By: cache-nrt-rjtf7700024-NRT
X-Cache: HIT
X-Cache-Hits: 0
X-Timer: S1717784538.420447,VS0,VE214
Vary: Accept-Encoding
X-Fastly-Request-ID: db56f7ab42c8c3847762381cc812f2281bc2f90d