Header check
Type Content
HTTP/1.1 200 OK
Server nginx/1.9.15
Date Tue, 21 May 2019 08:47:09 GMT
Content-Type text/html; charset=utf-8
Content-Length 100307
Last-Modified Wed, 15 May 2019 05:28:58 GMT
Connection keep-alive
Vary Accept-Encoding
ETag "5cdba39a-187d3"
Accept-Ranges bytes