serai.jp Website Information
Daily Unique Visits: 4,378
Daily Page Views: 17,512
Income Per Day: $49
Estimated Value: $26,460
serai.jp is registered under .JP top-level domain. Please check other sites in .JP zone.
No name server records were found.
and is probably hosted by BIT-ISLE Equinix Jpapan Enterprise K.K., JP. See the full list of other websites hosted by BIT-ISLE Equinix Jpapan Enterprise K.K., JP.
The highest website serai.jp position in Alexa rank database was 10933 and the lowest rank position was 999584. Current position of serai.jp in Alexa rank database is 286627.
Desktop speed score of serai.jp (67/100) is better than the results of 45.93% of other sites and shows that the page desktop performance can be improved.
Mobile usability score of serai.jp (99/100) is better than the results of 79.46% of other sites and means that the page is mobile-friendly.
Mobile speed score of serai.jp (60/100) is better than the results of 54.7% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.
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serai.jp Alexa Rank
The traffic rank is based on three months of aggregated historical traffic data from millions of Alexa Toolbar users and is a combined measure of page views and users.
serai.jp whois
WHOIS gives you the ability to lookup any generic domains to find out the registered domain holder. WHOIS database are provided for information purposes only. It allows the public to check whether a specific domain name is still available or not and to obtain information related to the registration records of existing domain names.
[ 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] SERAI.JP
[登録者名] 株式会社 小学館
[Registrant] SHOGAKUKAN INC.
[Name Server] ns-1560.awsdns-03.co.uk
[Name Server] ns-467.awsdns-58.com
[Name Server] ns-706.awsdns-24.net
[Name Server] ns-1482.awsdns-57.org
[Signing Key]
[登録年月日] 2001/03/26
[有効期限] 2022/03/31
[状態] Active
[最終更新] 2021/04/01 01:05:10 (JST)
Contact Information: [公開連絡窓口]
[名前] 株式会社 小学館
[Name] SHOGAKUKAN INC.
[Email] domadmin@shogakukan.co.jp
[Web Page]
[郵便番号] 101-8001
[住所] 東京都千代田区一ツ橋２−３−１
[Postal Address] Tokyo
Chiyoda-ku
2-3-1, Hitotsubashi
[電話番号] 03-3230-5650
[FAX番号] 03-3230-5840
[ 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] SERAI.JP
[登録者名] 株式会社 小学館
[Registrant] SHOGAKUKAN INC.
[Name Server] ns-1560.awsdns-03.co.uk
[Name Server] ns-467.awsdns-58.com
[Name Server] ns-706.awsdns-24.net
[Name Server] ns-1482.awsdns-57.org
[Signing Key]
[登録年月日] 2001/03/26
[有効期限] 2022/03/31
[状態] Active
[最終更新] 2021/04/01 01:05:10 (JST)
Contact Information: [公開連絡窓口]
[名前] 株式会社 小学館
[Name] SHOGAKUKAN INC.
[Email] domadmin@shogakukan.co.jp
[Web Page]
[郵便番号] 101-8001
[住所] 東京都千代田区一ツ橋２−３−１
[Postal Address] Tokyo
Chiyoda-ku
2-3-1, Hitotsubashi
[電話番号] 03-3230-5650
[FAX番号] 03-3230-5840
serai.jp server information
Servers Location
serai.jp desktop page speed rank
Last tested: 2017-05-22
Desktop Speed
Medium
67/100
serai.jp Desktop Speed Test Quick Summary
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serai.jp Desktop Resource Breakdown
| Total Resources | 214 |
| Number of Hosts | 49 |
| Static Resources | 121 |
| JavaScript Resources | 69 |
| CSS Resources | 8 |
serai.jp mobile page speed rank
Last tested: 2017-05-15
Mobile Speed
Bad
60/100
serai.jp Mobile Speed Test Quick Summary
priority - 42Leverage browser caching
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Leverage browser caching for the following cacheable resources:
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priority - 17Optimize images
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priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content
Your page has 1 blocking CSS resources. This causes a delay in rendering your page.
Optimize CSS Delivery of the following:
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priority - 1Minify JavaScript
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priority - 0Minify HTML
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priority - 0Enable compression
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priority - 0Minify CSS
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serai.jp Mobile Resource Breakdown
| Total Resources | 234 |
| Number of Hosts | 58 |
| Static Resources | 134 |
| JavaScript Resources | 71 |
| CSS Resources | 10 |
serai.jp mobile page usability
Last tested: 2017-05-15
Mobile Usability
Good
99/100
serai.jp Mobile Usability Test Quick Summary
priority - 1Size tap targets appropriately
Some of the links/buttons on your webpage may be too small for a user to easily tap on a touchscreen. Consider making these tap targets larger to provide a better user experience.
The following tap targets are close to other nearby tap targets and may need additional spacing around them.
The tap target
<span class="rhbody">Lost in the on…t really work!</span> is close to 1 other tap targets.The tap target
<a href="/aclk?sa=l&ai=…3D%26gender%3D" class="rhurl rhdefaultcolored">top10bestdatingsites.com</a> is close to 1 other tap targets.The tap target
<div id="abgc" class="abgc">Ads byGoogle</div> is close to 3 other tap targets.The tap target
<div id="abgcp" class="abgcp">Ads byGoogle</div> is close to 1 other tap targets.The tap target
<a href="/club">サライプレミアム倶楽部入会</a> and 5 others are close to other tap targets.The tap target
<a href="http://www.shogakukan.co.jp/">小学館</a> and 3 others are close to other tap targets.serai.jp HTML validation
Errors
A document must not include more than one “meta” element with its “name” attribute set to the value “description”.
Line: 24 Column: 1 - 138
"...1,-1] --> <meta name="description" content="小学館の雑誌『サライ』の公式サイトです。歳を重ね、よりアクティブに行動したいと思っている大人の方々へのライフスタイル提案と、旅、食、人物、歴史、文化、趣味、健康、モノ情報など上質な情報を発信します。" /> <met..."
"...1,-1] --> <meta name="description" content="小学館の雑誌『サライ』の公式サイトです。歳を重ね、よりアクティブに行動したいと思っている大人の方々へのライフスタイル提案と、旅、食、人物、歴史、文化、趣味、健康、モノ情報など上質な情報を発信します。" /> <met..."
Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.
Line: 72 Column: 1 - 66
"...</script> <link rel='https://api.w.org/' href='https://serai.jp/wp-json/' /> <scri..."
"...</script> <link rel='https://api.w.org/' href='https://serai.jp/wp-json/' /> <scri..."
Bad value “imagetoolbar” for attribute “http-equiv” on element “meta”.
Line: 104 Column: 1 - 45
"...t.com --> <meta http-equiv="imagetoolbar" content="no"> <scri..."
"...t.com --> <meta http-equiv="imagetoolbar" content="no"> <scri..."
The “language” attribute on the “script” element is obsolete. Use the “type” attribute instead.
Line: 149 Column: 1 - 56
"...</script> <script type="text/javascript" language="JavaScript1.1"> /*<![..."
"...</script> <script type="text/javascript" language="JavaScript1.1"> /*<![..."
No space between attributes.
Line: 1525 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1547 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1577 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1607 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1637 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1669 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1685 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1697 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1717 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1737 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1757 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1777 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1797 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1819 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1829 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1892 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1942 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1972 Column: - 28
"...ad_more_widget"href="https://s..." Line: 2002 Column: - 28
"...ad_more_widget"href="https://s..." Line: 2032 Column: - 28
"...ad_more_widget"href="https://s..." Line: 2062 Column: - 28
"...ad_more_widget"href="https://s..." Line: 2084 Column: - 28
"...ad_more_widget"href="https://s..." Line: 2104 Column: - 28
"...ad_more_widget"href="https://s..." Line: 2124 Column: - 28
"...ad_more_widget"href="https://s..." Line: 2144 Column: - 28
"...ad_more_widget"href="https://s..." Line: 2164 Column: - 28
"...ad_more_widget"href="https://s..." Line: 2184 Column: - 28
"...ad_more_widget"href="https://s..."
"...ad_more_widget"href="https://s..." Line: 1547 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1577 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1607 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1637 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1669 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1685 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1697 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1717 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1737 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1757 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1777 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1797 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1819 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1829 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1892 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1942 Column: - 28
"...ad_more_widget"href="https://s..." Line: 1972 Column: - 28
"...ad_more_widget"href="https://s..." Line: 2002 Column: - 28
"...ad_more_widget"href="https://s..." Line: 2032 Column: - 28
"...ad_more_widget"href="https://s..." Line: 2062 Column: - 28
"...ad_more_widget"href="https://s..." Line: 2084 Column: - 28
"...ad_more_widget"href="https://s..." Line: 2104 Column: - 28
"...ad_more_widget"href="https://s..." Line: 2124 Column: - 28
"...ad_more_widget"href="https://s..." Line: 2144 Column: - 28
"...ad_more_widget"href="https://s..." Line: 2164 Column: - 28
"...ad_more_widget"href="https://s..." Line: 2184 Column: - 28
"...ad_more_widget"href="https://s..."
Duplicate ID “searchform”.
Line: 2220 Column: 52 - 146
"...span></h3><form role="search" method="get" id="searchform" class="searchform" action="https://serai.jp/"> <..."
"...span></h3><form role="search" method="get" id="searchform" class="searchform" action="https://serai.jp/"> <..."
Duplicate ID “s”.
Line: 2223 Column: 6 - 51
"...bel> <input type="text" value="" name="s" id="s" /> ..."
"...bel> <input type="text" value="" name="s" id="s" /> ..."
Duplicate ID “searchsubmit”.
Line: 2224 Column: 6 - 57
"..." /> <input type="submit" id="searchsubmit" value="検索" /> <..."
"..." /> <input type="submit" id="searchsubmit" value="検索" /> <..."
Warnings
The “language” attribute on the “script” element is obsolete. You can safely omit it.
Line: 105 Column: 1 - 30
"...ent="no"> <script language="Javascript"> /*<![..." Line: 154 Column: 1 - 30
"...</script> <script language="Javascript"> /*<![..."
"...ent="no"> <script language="Javascript"> /*<![..." Line: 154 Column: 1 - 30
"...</script> <script language="Javascript"> /*<![..."
The first occurrence of ID “searchform” was here.
Line: 1840 Column: 50 - 144
"...span></h3><form role="search" method="get" id="searchform" class="searchform" action="https://serai.jp/"> <..."
"...span></h3><form role="search" method="get" id="searchform" class="searchform" action="https://serai.jp/"> <..."
The first occurrence of ID “s” was here.
Line: 1843 Column: 6 - 51
"...bel> <input type="text" value="" name="s" id="s" /> ..."
"...bel> <input type="text" value="" name="s" id="s" /> ..."
The first occurrence of ID “searchsubmit” was here.
Line: 1844 Column: 6 - 57
"..." /> <input type="submit" id="searchsubmit" value="検索" /> <..."
"..." /> <input type="submit" id="searchsubmit" value="検索" /> <..."
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serai.jp Ping
Ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It measures the round-trip time for messages sent from the originating host to a destination computer that are echoed back to the source.
serai.jp TRACEROUTE
Traceroute is a computer network diagnostic tool for displaying the route (path) and measuring transit delays of packets across an Internet Protocol (IP) network. The history of the route is recorded as the round-trip times of the packets received from each successive host (remote node) in the route (path); the sum of the mean times in each hop is a measure of the total time spent to establish the connection. Traceroute proceeds unless all (three) sent packets are lost more than twice, then the connection is lost and the route cannot be evaluated.