=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Server: nginx/1.14.0 (Ubuntu)
Date: Tue, 16 Apr 2019 10:08:53 GMT
Content-Type: text/html; charset=iso-8859-1
Content-Length: 249
Connection: close
Location: http://sourceforge.net/projects/audacity/
Cache-Control: max-age=600
Expires: Tue, 16 Apr 2019 10:16:33 GMT
Vary: Accept-Encoding

HTTP/1.1 301 Moved Permanently
Server: nginx/1.14.0 (Ubuntu)
Date: Tue, 16 Apr 2019 10:08:53 GMT
Content-Type: text/html
Content-Length: 178
Connection: close
Location: https://sourceforge.net/projects/audacity/

HTTP/2 200 
server: nginx/1.14.0 (Ubuntu)
date: Tue, 16 Apr 2019 10:08:54 GMT
content-type: text/html; charset=utf-8
content-length: 304172
pragma: no-cache
cache-control: no-cache
x-ua-compatible: IE=edge,chrome=1
x-frame-options: SAMEORIGIN
content-security-policy: upgrade-insecure-requests
set-cookie: VISITOR=7081bfb6-e880-4169-a021-7caf7b17f001; Max-Age=315360000; Path=/; expires=Fri, 13-Apr-2029 10:08:54 GMT; HttpOnly
set-cookie: sourceforge=28d3a2d28b35a513a821279a7ff013a7dc60d9degAJ9cQEoVRhwZXJzaXN0ZW50X3FzLjRmZDRhNTZjNDNxAohVBXByZWZzcQN9cQRVA2tleXEFVSQ3MDgxYmZiNi1lODgwLTQxNjktYTAyMS03Y2FmN2IxN2YwMDFxBlUDX2lkcQdVIDJjMDVmNjdlYWZjYTRmMWRhYTVmNzM3NjBlMjdjZmI0cQhVDl9hY2Nlc3NlZF90aW1lcQlHQdctam2BpDxVDl9jcmVhdGlvbl90aW1lcQpHQdctam2BpDh1Lg==; expires=Tue, 19-Jan-2038 03:14:07 GMT; httponly; Path=/; secure
x-content-type-options: nosniff
strict-transport-security: max-age=31536000

Request headers
================
HEAD /projects/audacity/ HTTP/2
Host: sourceforge.net
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Accept: */*
Referer: https://itxdesign.com
Connection: close


Link is valid.