=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 200 OK
Content-Type: image/png
Content-Length: 17606
Connection: close
Date: Wed, 24 Nov 2021 05:20:14 GMT
Last-Modified: Wed, 04 Sep 2013 12:54:13 GMT
ETag: &quot;d07389295fae27e5569acab8ebe63ba0&quot;
Expires: Sat, 02 Sep 2023 12:54:11 +0000
Accept-Ranges: bytes
Server: AmazonS3
X-Cache: Miss from cloudfront
Via: 1.1 a6c711433c5f2f81776be6378bb9152e.cloudfront.net (CloudFront)
X-Amz-Cf-Pop: NRT51-C2
X-Amz-Cf-Id: _Bgwj1mMSNlWKh3wL1rB2OnsH3LpmUZLs8BSNqfARXGEDu03g8Ek7g==

Request headers
================
HEAD /images/2013/09/gingko-tree2.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.