=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 302 Found
Location: http://books.google.co.jp/?hl=ja
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 12:16:30 GMT
Server: OFE/0.1
Content-Length: 229
X-XSS-Protection: 0
X-Frame-Options: SAMEORIGIN
Set-Cookie: NID=511=YnOYiHCsdE4tITFhW3RAN26NZju9AEc8oRITIA3B8ysOvqDp4Eu9yn3Z91ydzcxX_EHlmeTiy3UtED3zIkLst_Ddw6hVSrvVx9NJxxNekSxVj0QA9ACDG0I9zxByGgheGnEDQakjnI_FGLcWSjCtT_LeEOSueEbFSGSRshwMFbg; expires=Wed, 01-Jun-2022 12:16:30 GMT; path=/; domain=.google.co.jp; HttpOnly
Connection: close

HTTP/1.1 302 Found
Location: https://books.google.co.jp/?hl=ja
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 12:16:30 GMT
Server: OFE/0.1
Content-Length: 230
X-XSS-Protection: 0
X-Frame-Options: SAMEORIGIN
Set-Cookie: NID=511=GOTdWybL86jVTrrmWanBYpMy-b3AGLFLYtSJG-1NQlrNUSKUaY-bh7GzakN7JKcN1IT700dwZ6V330UoB4OWTq3mgQFpbyPpA5V3uG28eIpUl3bFdAmJ0X2M9zDqU_wF8qcbS82mOt4Z6lfsBaLdVY6NWl4Rb2Q37w_ABMXO1KE; expires=Wed, 01-Jun-2022 12:16:30 GMT; path=/; domain=.google.co.jp; HttpOnly
Connection: close

HTTP/1.1 200 OK
Date: Tue, 30 Nov 2021 12:16:31 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=KSLrhVinSvVWyWBNxjrliziUoFkGbZx49GiHDkxnlViZXPKSxr_Nj6z3-Nu5iECjvcx40Rih_tIVMc4ybKlnelglcrczFN8bU5pSaD90r9YB83F3PRr3GF89ruJq08QazZwxvW2jPT0DQ0jARk9_FuShImEHhV0a1R-lXz5xWfM; expires=Wed, 01-Jun-2022 12:16:31 GMT; path=/; domain=.google.co.jp; 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=ja HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: books.google.co.jp
Accept: */*
Referer: http://web-marketing.zako.org
Connection: close


Link is valid.