=== HTTP code : 200 ===

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HTTP/1.1 301 Moved Permanently
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HTTP/1.1 200 OK
Date: Mon, 29 Jul 2019 02:07:31 GMT
Content-Type: text/html; charset=utf-8
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Link: &lt;https://www.hrw.org/news/2009/04/17/prison-and-drugs-state-often-denies-help-then-isolates-prison-users&gt;; rel=&quot;canonical&quot;,&lt;https://www.hrw.org/node/236255&gt;; rel=&quot;shortlink&quot;
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Request headers
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HEAD /news/2009/04/17/prison-and-drugs-state-often-denies-help-then-isolates-prison-users HTTP/1.1
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Host: www.hrw.org
Accept: */*
Referer: https://ssdp.org
Connection: close


Link is valid.