Header check
Type Content
HTTP/1.1 200 OK
Server nginx
Date Tue, 21 Nov 2017 04:41:11 GMT
Content-Type text/html; charset=utf-8
Connection keep-alive
Keep-Alive timeout=60
X-Powered-By PHP/5.4.45
Content-Encoding gzip
Cache-Control no-cache, must-revalidate, max-age=0
Expires Wed, 11 Jan 1984 05:00:00 GMT
Pragma no-cache