Header check
Type Content
HTTP/1.1 200 OK
Server nginx/1.12.2
Date Tue, 21 Nov 2017 04:40:42 GMT
Content-Type text/html; charset=UTF-8
Content-Length 58923
Connection keep-alive
Last-Modified Sun, 10 Sep 2017 17:13:45 GMT
Accept-Ranges bytes
Vary Accept-Encoding,User-Agent