=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 200 OK
Content-Type: image/png
Content-Length: 19666
Connection: close
Date: Fri, 26 Nov 2021 16:18:10 GMT
Last-Modified: Tue, 03 Dec 2013 16:21:35 GMT
ETag: &quot;53f179480c6d9000975892394aa00627&quot;
Expires: Fri, 01 Dec 2023 16:21:34 +0000
Accept-Ranges: bytes
Server: AmazonS3
X-Cache: Miss from cloudfront
Via: 1.1 4cb3df5349fbb69c930b315b7d0a5272.cloudfront.net (CloudFront)
X-Amz-Cf-Pop: NRT12-C2
X-Amz-Cf-Id: voejv-ku1cy6hqq2201Q73Uzuy6jhywHuy-9PKYuDkwObHicBMmREw==

Request headers
================
HEAD /images/2013/12/twitter2rss.png HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: cdn.zako.org
Accept: */*
Referer: http://web-marketing.zako.org
Connection: close


Link is valid.