=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Location: https://support.google.com/youtube/answer/2888404?hl=ja&amp;visit_id=637735797997191313-3863564023&amp;rd=1
Date: Sat, 27 Nov 2021 03:16:39 GMT
Expires: Sat, 27 Nov 2021 03:16:39 GMT
Cache-Control: private, max-age=0
Content-Type: text/html; charset=UTF-8
X-Content-Type-Options: nosniff
Server: support-content-ui
Content-Length: 304
X-XSS-Protection: 0
X-Frame-Options: SAMEORIGIN
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Connection: close

HTTP/1.1 200 OK
P3P: CP=&quot;This is not a P3P policy! See g.co/p3phelp for more info.&quot;
P3P: CP=&quot;This is not a P3P policy! See g.co/p3phelp for more info.&quot;
Strict-Transport-Security: max-age=31536000; includeSubdomains
Content-Type: text/html; charset=UTF-8
Date: Sat, 27 Nov 2021 03:16:40 GMT
Expires: Sat, 27 Nov 2021 03:16:40 GMT
Cache-Control: private, max-age=0
Content-Security-Policy-Report-Only: object-src 'none';base-uri 'self';script-src 'nonce-A1r4XZADgOMyVO5FePVo' 'unsafe-inline' 'unsafe-eval' 'strict-dynamic' https: http: 'report-sample';report-uri https://csp.withgoogle.com/csp/scfe
P3P: CP=&quot;This is not a P3P policy! See g.co/p3phelp for more info.&quot;
X-Content-Type-Options: nosniff
Server: support-content-ui
Content-Length: 866007
X-XSS-Protection: 0
X-Frame-Options: SAMEORIGIN
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Connection: close

Request headers
================
GET /youtube/answer/2888404?hl=ja&amp;visit_id=637735797997191313-3863564023&amp;rd=1 HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: support.google.com
Accept: */*
Referer: http://web-marketing.zako.org
Connection: close
Range: bytes=0-2048


Link is valid.