=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Server: nginx
Date: Sun, 14 Apr 2019 16:09:38 GMT
Content-Type: text/html
Content-Length: 178
Connection: close
Location: https://designmodo.com/startup/
X-Powered-By: PleskLin
X-Frame-Options: SAMEORIGIN
X-Xss-Protection: 1; mode=block
X-Content-Type-Options: nosniff
Referrer-Policy: same-origin
Strict-Transport-Security: max-age=31536000

HTTP/2 200 
server: nginx
date: Sun, 14 Apr 2019 16:09:38 GMT
content-type: text/html; charset=UTF-8
vary: Accept-Encoding
set-cookie: PHPSESSID=h51mki787l99pf27b97um1h63q; expires=Tue, 14-May-2019 16:09:38 GMT; Max-Age=2592000; path=/
expires: Thu, 19 Nov 1981 08:52:00 GMT
cache-control: no-store, no-cache, must-revalidate
pragma: no-cache
set-cookie: mailchimp_landing_site=https%3A%2F%2Fdesignmodo.com%2Fstartup%2F; expires=Sun, 12-May-2019 16:09:38 GMT; Max-Age=2419200; path=/
link: &lt;https://designmodo.com/wp-json/&gt;; rel=&quot;https://api.w.org/&quot;
link: &lt;https://designmodo.com/?p=304818&gt;; rel=shortlink
x-powered-by: PleskLin
x-frame-options: SAMEORIGIN
x-xss-protection: 1; mode=block
x-content-type-options: nosniff
referrer-policy: same-origin
strict-transport-security: max-age=31536000

Request headers
================
HEAD /startup/ HTTP/2
Host: designmodo.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.