Header check
Type Content
HTTP/1.1 200 OK
Server nginx
Date Tue, 17 Oct 2017 02:11:59 GMT
Content-Type text/html; charset=UTF-8
Connection keep-alive
Vary Accept-Encoding
X-Powered-By PHP/5.6.31
Cache-Control max-age=3, must-revalidate
Cache-Control max-age=2592000
Expires Thu, 16 Nov 2017 02:11:58 GMT
X-Cache HIT from Backend