=== HTTP code : 204 ===

Response headers
================
HTTP/1.1 204 No Content
Date: Tue, 30 Nov 2021 10:15:35 GMT
Connection: close
Server: nginx
Expires: Tue, 30 Nov 2021 10:15:34 GMT
Cache-Control: no-cache

Request headers
================
HEAD /entry/http://web-marketing.zako.org/web-tools/web-2-0-analytics-better-than-google-analytics.html HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: buzzurl.jp
Accept: */*
Referer: http://web-marketing.zako.org
Connection: close


Link is valid.