=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 200 OK
Date: Mon, 29 Nov 2021 12:16:01 GMT
Server: Apache
Accept-Ranges: bytes
Vary: Accept-Encoding
Content-Length: 202
Connection: close
Content-Type: text/html

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


Link is valid.