=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Content-Length: 0
Location: http://aka.hmrc.gov.uk/taxcredits/payments-entitlement/entitlement/question-how-much.htm
Server: Microsoft-IIS/7.0
X-Powered-By: ASP.NET
Expires: Mon, 02 Mar 2020 03:56:02 GMT
Cache-Control: max-age=0, no-cache, no-store
Pragma: no-cache
Date: Mon, 02 Mar 2020 03:56:02 GMT
Connection: close

HTTP/1.1 301 Moved Permanently
Server: nginx
Location: https://www.gov.uk/tax-credits-calculator
Cache-Control: public, max-age=3600
Strict-Transport-Security: max-age=31536000; preload
Content-Length: 0
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Date: Mon, 02 Mar 2020 03:56:02 GMT
Via: 1.1 varnish
Age: 0
Connection: close
X-Served-By: cache-lcy19244-LCY
X-Cache: MISS
X-Cache-Hits: 0
X-Timer: S1583121362.201131,VS0,VE35

HTTP/1.1 200 OK
Content-Type: text/html; charset=utf-8
Server: nginx
Cache-Control: max-age=1800, public
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X-Frame-Options: DENY
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Content-Length: 43011
Accept-Ranges: bytes
Date: Mon, 02 Mar 2020 03:56:02 GMT
Via: 1.1 varnish
Age: 888
Connection: close
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X-Cache: HIT, MISS
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Vary: Accept-Encoding, Accept-Encoding

Request headers
================
HEAD /tax-credits-calculator HTTP/1.1
Host: www.gov.uk
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
Accept: */*
Referer: https://www.accountsincheque.co.uk
Connection: close


Link is valid.