=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Server: awselb/2.0
Date: Mon, 29 Nov 2021 00:17:22 GMT
Content-Type: text/html
Content-Length: 134
Connection: close
Location: https://www.backlog.jp:443/

HTTP/1.1 301 Moved Permanently
Date: Mon, 29 Nov 2021 00:17:22 GMT
Content-Type: text/html
Content-Length: 162
Connection: close
Server: nginx
Location: https://backlog.com/ja/
Strict-Transport-Security: max-age=31536000; includeSubDomains; preload

HTTP/1.1 200 OK
Content-Type: text/html; charset=UTF-8
Connection: close
Date: Mon, 29 Nov 2021 00:17:23 GMT
Server: nginx
Vary: Accept-Encoding
Link: &lt;https://backlog.com/ja/wp-json/&gt;; rel=&quot;https://api.w.org/&quot;
Fastcgi-Cache: STALE
Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
X-Content-Type-Options: nosniff
X-XSS-Protection: 1; mode=block
X-UA-Compatible: IE=Edge
Content-Security-Policy: frame-ancestors 'self'
X-Frame-Options: SAMEORIGIN
X-Cache: Miss from cloudfront
Via: 1.1 52f7fd115a447528d4e7586885338388.cloudfront.net (CloudFront)
X-Amz-Cf-Pop: NRT51-C4
X-Amz-Cf-Id: ESNSM_99K5knI8CHTX3BvwhI0DMGEMEYdqb2m58TmPfFoHsx_w2prQ==

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


Link is valid.