=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Server: CloudFront
Date: Thu, 02 Dec 2021 12:20:14 GMT
Content-Type: text/html
Content-Length: 183
Connection: close
Location: https://b.hatena.ne.jp/uzuki-first/20080313
X-Cache: Redirect from cloudfront
Via: 1.1 7637a60a07b64cdf45697b2f5cacacee.cloudfront.net (CloudFront)
X-Amz-Cf-Pop: NRT57-P1
X-Amz-Cf-Id: HYIBCklR1Bt_i4Va43o6YSGp0GkTS7B_GvV-InCEqIHePfLYxMFweQ==

HTTP/1.1 200 OK
Content-Type: text/html; charset=utf-8
Connection: close
Date: Thu, 02 Dec 2021 12:20:15 GMT
Server: nginx
Vary: Accept-Encoding
Set-Cookie: b=$1$eqyMOF8i$fughDjAhn0bFUfI0eYLS4/; expires=Wed, 27 Nov 2041 12:20:14 GMT; domain=hatena.ne.jp; path=/
Cache-Control: private
Vary: User-Agent
X-Dispatch: Boston::Web::Public::User#bookmarks_by_date
X-Frame-Options: deny
Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
Access-Control-Allow-Origin: https://b.hatena.ne.jp
Vary: Origin
X-Cache: Miss from cloudfront
Via: 1.1 31c766ca012c76de76b26ec9e2a74487.cloudfront.net (CloudFront)
X-Amz-Cf-Pop: NRT57-P1
X-Amz-Cf-Id: XPNXX4pJxja2ZRxDsz5XDTzBmJXWuS0ggOMEfe2jmEjVSpFXXLLXfw==

Request headers
================
HEAD /uzuki-first/20080313 HTTP/1.1
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Host: b.hatena.ne.jp
Accept: */*
Referer: http://web-marketing.zako.org
Connection: close


Link is valid.