=== HTTP code : 200 ===

Response headers
================
HTTP/2 200 
date: Tue, 23 May 2023 10:35:08 GMT
content-type: text/html; charset=UTF-8
last-modified: Tue, 23 May 2023 09:07:32 GMT
referrer-policy: origin
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Request headers
================
HEAD /blockchain-certification/ HTTP/2
Host: www.blockchain-council.org
user-agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.34 Safari/537.36
accept: */*
referer: https://cryptogrizz.com
connection: close


Link is valid.