atcoder.jp 評価と分析

User-agent: *
Disallow: /contests/*/standings/
Disallow: /contests/*/submissions/
Disallow: /contests/*/clarifications/
Disallow: /submissions/
Disallow: /servertime/
Disallow: /users/*/history/
User-agent: bingbot
Crawl-Delay: 30
User-agent: Twitterbot

atcoder.jp の Semrush グローバル ランクは 59,736 です。atcoder.jp は、推定広告収入に基づいて、US$177,184,663 の推定価値を持っています。 atcoder.jp には、毎日約 20,444,385 人のユニーク ユーザーがアクセスしています。 その Web サーバーは United States にあり、IP アドレスは 18.180.195.127です。 SiteAdvisor によると、atcoder.jp は安全にアクセスできます。

HTTP/1.1 301 Moved Permanently
Server: awselb/2.0
Date: Wed, 20 Oct 2021 19:47:53 GMT
Content-Type: text/html
Content-Length: 134
Connection: keep-alive
Location: https://atcoder.jp:443/

HTTP/2 200 
date: Wed, 20 Oct 2021 19:47:54 GMT
content-type: text/html; charset=utf-8
content-length: 33890
server: nginx
vary: Accept-Encoding
cache-control: no-cache, no-store, must-revalidate, private
expires: Fri, 1 Jan 2010 00:00:00 GMT
pragma: no-cache
set-cookie: REVEL_FLASH=; Path=/; HttpOnly; Secure; SameSite
set-cookie: REVEL_SESSION=c946eaf444d171619c590c6419b53fbe546a7bfe-%00csrf_token%3AZ927nw9JaeIYoqnvk8dD%2FIvaTEQ5gdjIVf%2FWwz5a%2BPE%3D%00%00_TS%3A1650311274%00; Path=/; Expires=Mon, 18 Apr 2022 19:47:54 GMT; Max-Age=15552000; HttpOnly; Secure; SameSite
x-content-type-options: nosniff
x-xss-protection: 1; mode=block

[ JPRS database provides information on network administration. Its use is    ]
[ restricted to network administration purposes. For further information,     ]
[ use 'whois -h whois.jprs.jp help'. To suppress Japanese output, add'/e'     ]
[ at the end of command, e.g. 'whois -h whois.jprs.jp xxx/e'.                 ]
Domain Information: [ドメイン情報]
[Domain Name]                   ATCODER.JP
[登録者名]                      AtCoder Inc.
[Registrant]                    AtCoder Inc.
[Name Server]                   ns-96.awsdns-12.com
[Name Server]                   ns-1144.awsdns-15.org
[Name Server]                   ns-890.awsdns-47.net
[Name Server]                   ns-1543.awsdns-00.co.uk
[Signing Key]
[登録年月日]                    2014/11/15
[有効期限]                      2021/11/30
[状態]                          Active
[最終更新]                      2020/12/01 01:05:08 (JST)
Contact Information: [公開連絡窓口]
[名前]                          Whois情報公開代行サービス by バリュードメイン
[Name]                          Whois Privacy Protection Service by VALUE-DOMAIN
[Email]                         whoisproxy@value-domain.com
[Web Page]                      https://www.value-domain.com/
[郵便番号]                      530-0011
[住所]                          大阪府大阪市北区大深町3-1
グランフロント大阪 タワーB　23階
[Postal Address]
[電話番号]                      06-7634-2727
[FAX番号]                       06-6374-0121