=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Location: https://gmailblog.blogspot.com/2008/12/new-in-labs-turn-email-into-google-doc.html
Content-Type: text/html; charset=UTF-8
Date: Sat, 04 Dec 2021 08:15:54 GMT
Expires: Sat, 04 Dec 2021 08:15:54 GMT
Cache-Control: private, max-age=0
X-Content-Type-Options: nosniff
X-Frame-Options: SAMEORIGIN
Content-Security-Policy: frame-ancestors 'self'
X-XSS-Protection: 1; mode=block
Server: GSE
Transfer-Encoding: chunked
Accept-Ranges: none
Vary: Accept-Encoding
Connection: close

HTTP/1.1 301 Moved Permanently
Content-Type: text/html; charset=UTF-8
Location: https://gmail.googleblog.com/2008/12/new-in-labs-turn-email-into-google-doc.html
Date: Sat, 04 Dec 2021 08:15:55 GMT
Expires: Sat, 04 Dec 2021 08:15:55 GMT
Cache-Control: private, max-age=0
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
Server: GSE
Transfer-Encoding: chunked
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;
Accept-Ranges: none
Vary: Accept-Encoding
Connection: close

HTTP/1.1 200 OK
Strict-Transport-Security: max-age=86400; includeSubDomains
Content-Type: text/html; charset=UTF-8
Expires: Sat, 04 Dec 2021 08:15:55 GMT
Date: Sat, 04 Dec 2021 08:15:55 GMT
Cache-Control: private, max-age=0
Last-Modified: Fri, 03 Dec 2021 11:23:52 GMT
ETag: &quot;b6dd1b6e-42eb-48bd-809f-5d7bce4c80a2&quot;
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
Content-Length: 0
Server: GSE
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 /2008/12/new-in-labs-turn-email-into-google-doc.html HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: gmail.googleblog.com
Accept: */*
Referer: http://web-marketing.zako.org
Connection: close


Link is valid.