=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Date: Mon, 29 Jul 2019 00:38:31 GMT
Server: Apache
Location: https://www.mpp.org/
Connection: close
Content-Type: text/html; charset=iso-8859-1

HTTP/1.1 200 OK
Date: Mon, 29 Jul 2019 00:38:31 GMT
Server: Apache
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate
Pragma: no-cache
X-Powered-By: MODX Revolution
Set-Cookie: PHPSESSID=4mrqjhl5bomltsr6kl0hpdeoj7; expires=Mon, 05-Aug-2019 00:38:31 GMT; Max-Age=604800; path=/; domain=.mpp.org; HttpOnly
Connection: close
Content-Type: text/html; charset=UTF-8

Request headers
================
HEAD / HTTP/1.1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36
Host: www.mpp.org
Accept: */*
Referer: https://ssdp.org
Connection: close


Link is valid.