=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 200 OK
Server: nginx
Date: Thu, 15 Feb 2018 08:59:58 GMT
Content-Type: text/html; charset=UTF-8
Connection: close
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Pragma: no-cache
Link: &lt;https://www.acrolinx.com/wp-json/&gt;; rel=&quot;https://api.w.org/&quot;
Link: &lt;https://www.acrolinx.com/&gt;; rel=shortlink
WPE-Backend: apache
X-UA-Compatible: IE=edge
X-Content-Type-Options: nosniff
X-Cacheable: SHORT
Vary: Accept-Encoding,Cookie
Cache-Control: max-age=600, must-revalidate
X-Cache: HIT: 4
X-Pass-Why: 
X-Cache-Group: normal
X-Type: default
Access-Control-Allow-Origin: *
Access-Control-Allow-Origin: *

Request headers
================
HEAD / HTTP/1.1
Host: www.acrolinx.com
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Accept: */*
Referer: http://51.15.134.16
Connection: close


Link is valid.