=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 200 OK
Location: http://ssdp.org/sustain
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 01:18:21 GMT
Server: gws
Content-Length: 325
X-XSS-Protection: 0
Expires: Mon, 29 Jul 2019 01:18:21 GMT
Set-Cookie: NID=188=kbLRA5_OZ0q6UPxaeyW2uAj3vFM_PThS3LcG7WejtZepyffLklHUTuBI5nPj9Pre4_yMQ5Mjpj9KTlHGnJ5zx2WVVUj6gSqr37BoOJ87WYscPTi6qrlUkvZYHbtHCpao-g4TRs6ch7AOY41eKCK33JjJb9-cd46N0z64nNtk3-4; expires=Tue, 28-Jan-2020 01:18:21 GMT; path=/; domain=.google.com; HttpOnly
Connection: close

Request headers
================
HEAD /url?q=http%3A%2F%2Fssdp.org%2Fsustain&amp;sa=D&amp;sntz=1&amp;usg=AFQjCNEPEWs-jC4NAY9tSsxEpuiWzE7Hgw 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.