=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 200 OK
Location: http://www.facebook.com/slashrootcafe
Cache-Control: private
Content-Type: text/html; charset=UTF-8
P3P: CP=&quot;This is not a P3P policy! See g.co/p3phelp for more info.&quot;
Date: Mon, 29 Jul 2019 01:18:14 GMT
Server: gws
Content-Length: 367
X-XSS-Protection: 0
Expires: Mon, 29 Jul 2019 01:18:14 GMT
Set-Cookie: NID=188=YC_zlPxF0YYZ-cEghyjHb50A0ga7ZDc8XNbF1q8UN-pI34tm7wz7z3XEjgS-IahiQ0asfg6RJaH7ApzzejLYKTRXEKT3DN_K145LXq4X-1fIsGO4XXeZhQ17OEUoLzQX72uijDgwBEdm1Cn_TDxxAxCEl5xrFLmvOPoV_99m34o; expires=Tue, 28-Jan-2020 01:18:14 GMT; path=/; domain=.google.com; HttpOnly
Connection: close

Request headers
================
HEAD /url?q=http%3A%2F%2Fwww.facebook.com%2Fslashrootcafe&amp;sa=D&amp;sntz=1&amp;usg=AFQjCNGMILMF1ot9dXKAtmqXmwUIjrCaXg 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.google.com
Accept: */*
Referer: https://ssdp.org
Connection: close


Link is valid.