=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 200 OK
X-Frame-Options: ALLOWALL
Access-Control-Allow-Origin: *
Content-Type: image/png
X-Content-Type-Options: nosniff
Date: Wed, 01 Dec 2021 01:15:51 GMT
Server: GoogleChartAPI/1.0
Content-Length: 3922
X-XSS-Protection: 1; mode=block
Connection: close

Request headers
================
HEAD /chart?cht=lc&amp;chs=400x200&amp;chd=s:Aacz HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: chart.apis.google.com
Accept: */*
Referer: http://web-marketing.zako.org
Connection: close


Link is valid.