Header check
Type Content
HTTP/1.1 200 OK
Server nginx/1.9.15
Date Thu, 21 Mar 2019 19:48:28 GMT
Content-Type text/html; charset=utf-8
Content-Length 108246
Last-Modified Thu, 14 Mar 2019 05:13:04 GMT
Connection keep-alive
Vary Accept-Encoding
ETag "5c89e2e0-1a6d6"
Accept-Ranges bytes