=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Date: Thu, 25 Nov 2021 19:18:04 GMT
Content-Type: text/html; charset=iso-8859-1
Content-Length: 232
Connection: close
Server: Apache
Location: https://bloglabs.jp/afn/
X-Cache: MISS

HTTP/1.1 200 OK
Date: Thu, 25 Nov 2021 19:18:05 GMT
Content-Type: text/html; charset=UTF-8
Connection: close
Server: Apache
X-Powered-By: PHP/7.4.12
Link: &lt;https://bloglabs.jp/wp-json/&gt;; rel=&quot;https://api.w.org/&quot;
Link: &lt;https://bloglabs.jp/wp-json/wp/v2/pages/49&gt;; rel=&quot;alternate&quot;; type=&quot;application/json&quot;
Link: &lt;https://bloglabs.jp/?p=49&gt;; rel=shortlink
Vary: Range,Accept-Encoding
X-Cache: MISS

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


Link is valid.