=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 302 Found
Location: https://books.google.com/?hl=en
Cache-Control: private
Content-Type: text/html; charset=UTF-8
P3P: CP=&quot;This is not a P3P policy! See g.co/p3phelp for more info.&quot;
X-Content-Type-Options: nosniff
Date: Tue, 30 Nov 2021 00:17:37 GMT
Server: OFE/0.1
Content-Length: 228
X-XSS-Protection: 0
X-Frame-Options: SAMEORIGIN
Set-Cookie: NID=511=WN5K5Z1isR8BQ7LVp4nVVjECiGH0hFdFCAPXyTbEL4W7jt_nHzChzyQwYaumGL1DSo7R9o9Z_exOtDN6faeQeUEZN7djuXXdx8mpCj3tpyrIqN-jiUK2YKNWL9YTM0Swxq2ylngd8oU-szF6g21t6TgZk5H-tIHw1QKRZCVCEa4; expires=Wed, 01-Jun-2022 00:17:37 GMT; path=/; domain=.google.com; HttpOnly
Connection: close

HTTP/1.1 200 OK
Date: Tue, 30 Nov 2021 00:17:37 GMT
Expires: Fri, 01 Jan 1990 00:00:00 GMT
Cache-Control: no-cache, must-revalidate
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 1; mode=block
Strict-Transport-Security: max-age=604800
Pragma: no-cache
Content-Type: text/html; charset=UTF-8
P3P: CP=&quot;This is not a P3P policy! See g.co/p3phelp for more info.&quot;
X-Content-Type-Options: nosniff
Server: OFE/0.1
Transfer-Encoding: chunked
Set-Cookie: NID=511=ITKpfblsdXCKCUtj12VBhB_h3c6G6QIAcoZp81gcdLam-5QvJgwU6pbOhl7E60Em0Gw2AduHYCe2WRYApzp8naQsJfe1Eujqvx9l6wu8iuXudIRbGgiqILCV6tI55s6_SE-pkXTBZspZBCI9pQEyKfMNfTjcmtnKm31sfNKhqqc; expires=Wed, 01-Jun-2022 00:17:37 GMT; path=/; domain=.google.com; HttpOnly
Alt-Svc: h3=&quot;:443&quot;; ma=2592000,h3-29=&quot;:443&quot;; ma=2592000,h3-Q050=&quot;:443&quot;; ma=2592000,h3-Q046=&quot;:443&quot;; ma=2592000,h3-Q043=&quot;:443&quot;; ma=2592000,quic=&quot;:443&quot;; ma=2592000; v=&quot;46,43&quot;
Connection: close

Request headers
================
HEAD /?hl=en HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: books.google.com
Accept: */*
Referer: http://web-marketing.zako.org
Connection: close


Link is valid.