=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Content-Type: text/html; charset=iso-8859-1
Date: Sun, 28 Nov 2021 02:17:33 GMT
Location: https://flickriver.com/photos/26047770@N07/
Server: Apache
Connection: Close

HTTP/1.1 301 Moved Permanently
Content-Type: text/html; charset=UTF-8
Date: Sun, 28 Nov 2021 02:17:34 GMT
Location: https://flickriver.com/photos/sigeos15/
Server: Apache
Set-Cookie: stoken=bed6b4409dad3564e4e1f1c73668caf4; path=/; domain=.flickriver.com; HttpOnly
Connection: Close

HTTP/1.1 200 OK
Content-Type: text/html; charset=UTF-8
Date: Sun, 28 Nov 2021 02:17:36 GMT
Server: Apache
Set-Cookie: stoken=12d1724eb43bbab02c18e6e5ae168e51; path=/; domain=.flickriver.com; HttpOnly
Connection: Close

Request headers
================
HEAD /photos/sigeos15/ HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: flickriver.com
Accept: */*
Referer: http://web-marketing.zako.org
Connection: close


Link is valid.