=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Server: nginx
Date: Wed, 01 Dec 2021 05:17:50 GMT
Content-Type: text/html
Connection: close
Location: https://phpspot.org/blog/archives/2007/05/cssjavascript_4.html

HTTP/1.1 200 OK
Server: nginx
Date: Wed, 01 Dec 2021 05:17:50 GMT
Content-Type: text/html
Connection: close

Request headers
================
HEAD /blog/archives/2007/05/cssjavascript_4.html HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: phpspot.org
Accept: */*
Referer: http://web-marketing.zako.org
Connection: close


Link is valid.