=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Date: Mon, 29 Jul 2019 00:25:52 GMT
Server: Apache/2
X-Powered-By: PHP/7.1.28
Expires: Mon, 29 Jul 2019 01:25:52 GMT
Cache-Control: max-age=3600
X-Redirect-By: WordPress
Set-Cookie: qtrans_front_language=nl; expires=Tue, 28-Jul-2020 00:25:52 GMT; Max-Age=31536000; path=/
Upgrade: h2,h2c
Connection: Upgrade, close
Location: https://www.unity.nl/
Vary: User-Agent
Content-Type: text/html; charset=UTF-8

HTTP/1.1 200 OK
Date: Mon, 29 Jul 2019 00:25:52 GMT
Server: Apache/2
X-Powered-By: PHP/7.1.28
Link: &lt;https://www.unity.nl/wp-json/&gt;; rel=&quot;https://api.w.org/&quot;
Set-Cookie: qtrans_front_language=nl; expires=Tue, 28-Jul-2020 00:25:53 GMT; Max-Age=31536000; path=/
Upgrade: h2,h2c
Connection: Upgrade, close
Vary: User-Agent
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.unity.nl
Accept: */*
Referer: https://ssdp.org
Connection: close


Link is valid.