=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Date: Sat, 04 Dec 2021 03:19:01 GMT
Server: Apache
Location: https://www.okjapan.jp/
Connection: close
Content-Type: text/html; charset=iso-8859-1

HTTP/1.1 301 Moved Permanently
Date: Sat, 04 Dec 2021 03:19:01 GMT
Server: Apache
X-Redirect-By: WordPress
Upgrade: h2
Connection: Upgrade, close
Location: https://okjapan.jp/
Content-Type: text/html; charset=UTF-8

HTTP/1.1 200 OK
Date: Sat, 04 Dec 2021 03:19:02 GMT
Server: Apache
Link: &lt;https://okjapan.jp/wp-json/&gt;; rel=&quot;https://api.w.org/&quot;
Upgrade: h2
Connection: Upgrade, close
Content-Type: text/html; charset=UTF-8

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


Link is valid.