=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 200 OK
Server: GitHub.com
Content-Type: text/html; charset=utf-8
permissions-policy: interest-cohort=()
Last-Modified: Sat, 29 Nov 2014 08:37:48 GMT
Access-Control-Allow-Origin: *
ETag: &quot;547985dc-14e1&quot;
expires: Sat, 27 Nov 2021 21:29:56 GMT
Cache-Control: max-age=600
x-proxy-cache: MISS
X-GitHub-Request-Id: 4BBC:45EC:202ED4:22040E:61A2A0FB
Content-Length: 5345
Accept-Ranges: bytes
Date: Sat, 27 Nov 2021 21:19:56 GMT
Via: 1.1 varnish
Age: 0
Connection: close
X-Served-By: cache-tyo11956-TYO
X-Cache: MISS
X-Cache-Hits: 0
X-Timer: S1638047995.172417,VS0,VE1203
Vary: Accept-Encoding
X-Fastly-Request-ID: 77e8e68fc40ef6f66a08926f7941ac6b28593c18

Request headers
================
HEAD /snip-dock/ HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: rahul003.github.io
Accept: */*
Referer: http://web-marketing.zako.org
Connection: close


Link is valid.