=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 200 OK
Date: Sat, 13 Apr 2019 23:08:44 GMT
Content-Type: text/html; charset=utf-8
Connection: close
Set-Cookie: __cfduid=d78a7232a8584efceff11556a4c5851641555196924; expires=Sun, 12-Apr-20 23:08:44 GMT; path=/; domain=.selfcontrolapp.com; HttpOnly
Last-Modified: Tue, 17 Apr 2018 06:34:27 GMT
Access-Control-Allow-Origin: *
Expires: Sun, 14 Apr 2019 03:08:44 GMT
Cache-Control: public, max-age=14400
X-GitHub-Request-Id: CC26:5954:3F92C7:5387EC:5C4B2AF7
CF-Cache-Status: REVALIDATED
Server: cloudflare
CF-RAY: 4c711a8ad8025e82-TPA

Request headers
================
HEAD / HTTP/1.1
Host: selfcontrolapp.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.