=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Date: Fri, 03 Dec 2021 10:19:47 GMT
Server: Apache/2.4.46 (Amazon) OpenSSL/1.0.2k-fips PHP/7.3.23
Location: https://agilemedia.jp/blog/2008/08/post_93.html
Connection: close
Content-Type: text/html; charset=iso-8859-1

HTTP/1.1 301 Moved Permanently
Date: Fri, 03 Dec 2021 10:19:47 GMT
Server: Apache/2.4.46 (Amazon) OpenSSL/1.0.2k-fips PHP/7.3.23
X-Powered-By: PHP/7.3.23
X-Pingback: https://agilemedia.jp/xmlrpc.php
X-Redirect-By: WordPress
Location: https://agilemedia.jp/case/post_93.html
Connection: close
Content-Type: text/html; charset=UTF-8

HTTP/1.1 200 OK
Date: Fri, 03 Dec 2021 10:19:47 GMT
Server: Apache/2.4.46 (Amazon) OpenSSL/1.0.2k-fips PHP/7.3.23
X-Powered-By: PHP/7.3.23
X-Pingback: https://agilemedia.jp/xmlrpc.php
Link: &lt;https://agilemedia.jp/wp-json/&gt;; rel=&quot;https://api.w.org/&quot;
Link: &lt;https://agilemedia.jp/wp-json/wp/v2/posts/2690&gt;; rel=&quot;alternate&quot;; type=&quot;application/json&quot;
Link: &lt;https://agilemedia.jp/?p=2690&gt;; rel=shortlink
Connection: close
Content-Type: text/html; charset=UTF-8

Request headers
================
HEAD /case/post_93.html HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: agilemedia.jp
Accept: */*
Referer: http://web-marketing.zako.org
Connection: close


Link is valid.