=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 200 OK
Date: Tue, 03 Jan 2017 20:10:10 GMT
Server: Apache/2.4.23
X-Powered-By: PHP/5.5.38
Pragma: no-cache
Cache-Control: max-age=604800
Expires: Tue, 10 Jan 2017 20:10:10 GMT
Content-Encoding: none
Connection: close
Set-Cookie: grav-site-79e8ee2=7a11lbdlk2sm7qehodsbim2ag1; expires=Tue, 03-Jan-2017 20:40:10 GMT; Max-Age=1800; path=/
Set-Cookie: grav-site-79e8ee2=7a11lbdlk2sm7qehodsbim2ag1; expires=Tue, 03-Jan-2017 20:40:10 GMT; Max-Age=1800; path=/; domain=summer.co; httponly
Content-Length: 12238
Vary: User-Agent
Content-Type: text/html

Request headers
================
HEAD /blog HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: summer.co
Accept: */*
Referer: https://mompreneurs.de
Connection: close


Link is valid.