=== HTTP code : 200 ===

Response headers
================
HTTP/2 200 
server: nginx
date: Sun, 14 Apr 2019 06:09:44 GMT
content-type: text/html; charset=utf-8
vary: Accept-Encoding
strict-transport-security: max-age=360
link: &lt;https://wordpress.org/plugins/wp-json/&gt;; rel=&quot;https://api.w.org/&quot;
link: &lt;https://wordpress.org/plugins/?p=26089&gt;; rel=shortlink
x-olaf: ⛄
x-frame-options: SAMEORIGIN
x-nc: EXPIRED ord 2

Request headers
================
HEAD /plugins/mentionable/ HTTP/2
Host: wordpress.org
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.