=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Date: Mon, 29 Jul 2019 00:38:24 GMT
Server: UltraDNS Client Redirection Server
Last-Modified: Mon, 29 Jul 2019 00:38:24 GMT
Accept-Ranges: none
Connection: close
Content-type: text/html
Location: https://www.stantec.com/

HTTP/1.1 302 Moved Temporarily
Server: Apache/2.4.6 (Red Hat Enterprise Linux) Communique/4.3.1
X-Frame-Options: SAMEORIGIN
X-Content-Type-Options: nosniff
X-Frame-Options: SAMEORIGIN
Location: http://www.stantec.com/content/stantec/en.html
Content-Type: text/html; charset=UTF-8
Content-Length: 0
Date: Mon, 29 Jul 2019 00:38:25 GMT
Connection: close
Content-Security-Policy: upgrade-insecure-requests

HTTP/1.1 301 Moved Permanently
Server: AkamaiGHost
Content-Length: 0
Location: https://www.stantec.com/content/stantec/en.html
Date: Mon, 29 Jul 2019 00:38:25 GMT
Connection: close

HTTP/1.1 302 Moved Temporarily
Server: Apache/2.4.6 (Red Hat Enterprise Linux) Communique/4.3.1
X-Frame-Options: SAMEORIGIN
Location: http://www.stantec.com/en.html
Content-Type: text/html; charset=iso-8859-1
Content-Length: 0
Date: Mon, 29 Jul 2019 00:38:25 GMT
Connection: close
Content-Security-Policy: upgrade-insecure-requests

HTTP/1.1 301 Moved Permanently
Server: AkamaiGHost
Content-Length: 0
Location: https://www.stantec.com/en.html
Date: Mon, 29 Jul 2019 00:38:25 GMT
Connection: close

HTTP/1.1 301 Moved Permanently
Server: Apache/2.4.6 (Red Hat Enterprise Linux) Communique/4.3.1
X-Frame-Options: SAMEORIGIN
Location: http://www.stantec.com/en
Content-Length: 233
Content-Type: text/html; charset=iso-8859-1
Date: Mon, 29 Jul 2019 00:38:25 GMT
Connection: close
Content-Security-Policy: upgrade-insecure-requests

HTTP/1.1 301 Moved Permanently
Server: AkamaiGHost
Content-Length: 0
Location: https://www.stantec.com/en
Date: Mon, 29 Jul 2019 00:38:25 GMT
Connection: close

HTTP/1.1 200 OK
Server: Apache/2.4.6 (Red Hat Enterprise Linux) Communique/4.3.1
X-Frame-Options: SAMEORIGIN
X-Content-Type-Options: nosniff
X-Frame-Options: SAMEORIGIN
Content-Type: text/html;charset=utf-8
Content-Length: 340594
Date: Mon, 29 Jul 2019 00:38:25 GMT
Connection: close
Content-Security-Policy: upgrade-insecure-requests

Request headers
================
HEAD /en 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.stantec.com
Accept: */*
Referer: https://ssdp.org
Connection: close


Link is valid.