=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 200 OK
Date: Mon, 15 Apr 2019 08:13:09 GMT
Server: Apache
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
X-Powered-By: W3 Total Cache/0.9.7.3
X-Pingback: http://www.go-gulf.ae/xmlrpc.php
Link: &lt;https://www.go-gulf.ae/wp-json/&gt;; rel=&quot;https://api.w.org/&quot;, &lt;https://www.go-gulf.ae/?p=3667&gt;; rel=shortlink
Set-Cookie: PHPSESSID=0roin4hln4o604o8cvrpbgjdv5; path=/
Connection: close
Content-Type: text/html; charset=UTF-8

Request headers
================
HEAD /blog/responsive-web-design/ HTTP/1.1
Host: www.go-gulf.ae
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Accept: */*
Referer: https://itxdesign.com
Connection: close


Link is valid.