=== 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: Mon, 29 Nov 2021 04:20:06 GMT
Server: GoogleChartAPI/1.0
Content-Length: 7785
X-XSS-Protection: 1; mode=block
Connection: close

Request headers
================
HEAD /chart?cht=s&amp;chm=c,FF0000,1,1.0,10.0&amp;chd=s:984sttvuvkQIBLKNCAIi,DEJPgq0uov17zwopQODS,AFLPTXaflptx159gsDrn&amp;chxt=x,y&amp;chxl=0:|0|2|3|4|5|6|7|8|9|10|1:|0|25|50|75|100&amp;chs=250x250&amp;chtt=????????????&amp;chf=bg,s,efefef|%0Ac,s,000000 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.