=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Server: Apache
Location: http://www.googlesightseeing.com/2008/02/04/panopticon-prisons/
Vary: Accept-Encoding
Content-Type: text/html; charset=iso-8859-1
X-Cacheable: YES:Forced
Date: Wed, 01 Dec 2021 13:19:20 GMT
X-Varnish: 1854186791
Age: 0
Connection: close

HTTP/1.1 301 Moved Permanently
Date: Wed, 01 Dec 2021 13:19:38 GMT
Content-Type: text/html; charset=UTF-8
Connection: close
expires: Wed, 11 Jan 1984 05:00:00 GMT
cache-control: no-cache, must-revalidate, max-age=0
x-redirect-by: WordPress
location: http://www.googlesightseeing.com/2008/02/panopticon-prisons/
vary: User-Agent,Accept-Encoding
x-cacheable: NO:Not Cacheable
x-varnish: 1854186792
age: 0
CF-Cache-Status: DYNAMIC
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CF-RAY: 6b6c9bb32aa280ba-NRT

HTTP/1.1 200 OK
Date: Wed, 01 Dec 2021 13:19:39 GMT
Content-Type: text/html; charset=UTF-8
Connection: close
link: &lt;http://www.googlesightseeing.com/wp-json/&gt;; rel=&quot;https://api.w.org/&quot;, &lt;http://www.googlesightseeing.com/wp-json/wp/v2/posts/1766&gt;; rel=&quot;alternate&quot;; type=&quot;application/json&quot;, &lt;http://gss.st/1ch&gt;; rel=shortlink
cache-control: max-age=600
expires: Wed, 01 Dec 2021 13:29:22 GMT
vary: User-Agent,Accept-Encoding
x-cacheable: YES
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age: 0
CF-Cache-Status: DYNAMIC
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Server: cloudflare
CF-RAY: 6b6c9bb85abb3420-NRT

Request headers
================
HEAD /2008/02/panopticon-prisons/ HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: www.googlesightseeing.com
Accept: */*
Referer: http://web-marketing.zako.org
Connection: close


Link is valid.