=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Content-Length: 157
Content-Type: text/html; charset=UTF-8
Location: http://www.ucl.ac.uk/bartlett/casa
Server: Microsoft-IIS/8.5
X-Powered-By: ASP.NET
Date: Fri, 03 Dec 2021 02:19:05 GMT
Connection: close

HTTP/1.1 301 Moved Permanently
Date: Fri, 03 Dec 2021 02:19:23 GMT
Connection: close
Location: https://www.ucl.ac.uk/bartlett/casa
CF-Ray: 6b794f47f88f0aa8-NRT
Cache-Control: max-age=3600
Expires: Fri, 03 Dec 2021 03:19:23 GMT
Server: cloudflare

HTTP/1.1 200 OK
Date: Fri, 03 Dec 2021 02:19:24 GMT
Content-Type: text/html; charset=utf-8
Connection: close
CF-Ray: 6b794f515cf8344b-NRT
Age: 72645
Cache-Control: public, max-age=86400
Content-Language: en
ETag: W/&quot;1638364502-1&quot;
Expires: Sun, 19 Nov 1978 05:00:00 GMT
Last-Modified: Wed, 01 Dec 2021 13:15:02 GMT
Link: &lt;https://www.ucl.ac.uk/bartlett/casa/&gt;; rel=&quot;canonical&quot;
Strict-Transport-Security: max-age=31536000; includeSubDomains
CF-Cache-Status: HIT
Expect-CT: max-age=604800, report-uri=&quot;https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct&quot;
Permissions-Policy: interest-cohort=()
X-Content-Type-Options: nosniff
X-Drupal-Cache: HIT
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 1; mode=block
Server: cloudflare

Request headers
================
HEAD /bartlett/casa HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: www.ucl.ac.uk
Accept: */*
Referer: http://web-marketing.zako.org
Connection: close


Link is valid.