=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 302 Found
Date: Thu, 25 Nov 2021 21:18:21 GMT
Server: Apache
Upgrade: h2,h2c
Connection: Upgrade, close
Location: http://www.ec4u.com/
Content-Type: text/html; charset=UTF-8

HTTP/1.1 301 Moved Permanently
Date: Thu, 25 Nov 2021 21:18:22 GMT
Server: Apache
Vary: Accept-Encoding,Cookie
X-UA-Compatible: IE=edge,chrome=1
X-Pingback: http://www.ec4u.com/xmlrpc.php
X-Redirect-By: WordPress
Upgrade: h2,h2c
Connection: Upgrade, close
Location: https://www.ec4u.com/
Content-Type: text/html; charset=UTF-8

HTTP/1.1 200 OK
Date: Thu, 25 Nov 2021 21:18:24 GMT
Server: Apache
Vary: Accept-Encoding,Cookie
X-UA-Compatible: IE=edge,chrome=1
X-Pingback: https://www.ec4u.com/xmlrpc.php
Link: &lt;https://www.ec4u.com/wp-json/&gt;; rel=&quot;https://api.w.org/&quot;, &lt;https://www.ec4u.com/wp-json/wp/v2/pages/431&gt;; rel=&quot;alternate&quot;; type=&quot;application/json&quot;, &lt;https://www.ec4u.com/&gt;; rel=shortlink
Upgrade: h2,h2c
Connection: Upgrade, close
Content-Type: text/html; charset=UTF-8

Request headers
================
HEAD / HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: www.ec4u.com
Accept: */*
Referer: http://web-marketing.zako.org
Connection: close


Link is valid.