=== HTTP code : 200 ===

Response headers
================
HTTP/2 200 
server: nginx
date: Mon, 15 Apr 2019 01:09:17 GMT
content-type: text/html; charset=UTF-8
x-sucuri-id: 17018
vary: Accept-Encoding
link: &lt;https://css-tricks.com/wp-json/&gt;; rel=&quot;https://api.w.org/&quot;
link: &lt;https://wp.me/354tK&gt;; rel=shortlink
x-cache-status: HIT
x-sucuri-cache: EXPIRED

Request headers
================
HEAD / HTTP/2
Host: css-tricks.com
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.