=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Server: nginx
Date: Sat, 13 Apr 2019 14:10:02 GMT
Content-Type: text/html
Content-Length: 178
Connection: close
Location: https://blog.capterra.com/mailchimp-vs-constant-contact/

HTTP/1.1 200 OK
Server: nginx
Date: Sat, 13 Apr 2019 14:10:03 GMT
Content-Type: text/html; charset=UTF-8
Connection: close
Vary: Accept-Encoding
Vary: Accept-Encoding
X-Powered-By: PHP/5.4.16
X-Pingback: https://blog.capterra.com/xmlrpc.php
Link: &lt;https://blog.capterra.com/wp-json/&gt;; rel=&quot;https://api.w.org/&quot;
Link: &lt;https://blog.capterra.com/?p=8473&gt;; rel=shortlink
X-Frame-Options: DENY
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
Strict-Transport-Security: max-age=31536000; includeSubDomains
X-Distil-CS: MISS

Request headers
================
HEAD /mailchimp-vs-constant-contact/ HTTP/1.1
Host: blog.capterra.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.