=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 200 OK
Server: Apache
Strict-Transport-Security: max-age=15552000
X-Content-Type-Options: nosniff
X-Powered-By: PHP/5.6.37
X-Drupal-Cache: MISS
Cache-Control: public, max-age=86400
X-Content-Type-Options: nosniff
Content-Language: en
X-Frame-Options: SAMEORIGIN, SAMEORIGIN, SAMEORIGIN
Link: &lt;https://www.nowfoods.com/essential-oils&gt;; rel=&quot;canonical&quot;
Etag: &quot;1537744059-1&quot;
Last-Modified: Sun, 23 Sep 2018 23:07:39 GMT
Vary: Accept-Encoding
Content-Type: text/html; charset=utf-8
Date: Mon, 24 Sep 2018 15:59:27 GMT
X-Varnish: 1645817152 1645254657
Age: 60706
Via: 1.1 varnish
Connection: close
X-Varnish-Cache: HIT

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


Link is valid.