thinkit.co.jp Website Information

Daily Unique Visits: 11,434

Daily Page Views: 57,170

Income Per Day: $143

Estimated Value: $85,800

This website is located in Japan and is using following IP address 202.218.13.185. See the complete list of popular websites hosted in Japan.

thinkit.co.jp is registered under .JP top-level domain. Please check other sites in .JP zone.

Website thinkit.co.jp is using the following name servers:

ns-1244.awsdns-27.org
ns-1615.awsdns-09.co.uk
ns-482.awsdns-60.com
ns-792.awsdns-35.net

and is probably hosted by IDC Yahoo Japan Corporation, JP. See the full list of other websites hosted by IDC Yahoo Japan Corporation, JP.

The highest website thinkit.co.jp position in Alexa rank database was 11943 and the lowest rank position was 994406. Current position of thinkit.co.jp in Alexa rank database is 119163.

Desktop speed score of thinkit.co.jp (53/100) is better than the results of 27.05% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of thinkit.co.jp (98/100) is better than the results of 55.61% of other sites and means that the page is mobile-friendly.

Mobile speed score of thinkit.co.jp (66/100) is better than the results of 68.49% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

thinkit.co.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.

thinkit.co.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]
a. [ドメイン名] THINKIT.CO.JP
e. [そしきめい] かぶしきがいしゃいんぷれす
f. [組織名] 株式会社インプレス
g. [Organization] Impress Corporation
k. [組織種別] 株式会社
l. [Organization Type] Corporation
m. [登録担当者] KA19222JP
n. [技術連絡担当者] KA19222JP
p. [ネームサーバ] ns-1244.awsdns-27.org
p. [ネームサーバ] ns-1615.awsdns-09.co.uk
p. [ネームサーバ] ns-482.awsdns-60.com
p. [ネームサーバ] ns-792.awsdns-35.net
s. [署名鍵]
[状態] Connected (2025/06/30)
[登録年月日] 2015/06/30
[接続年月日] 2015/06/30
[最終更新] 2024/07/01 01:04:24 (JST)

thinkit.co.jp server information

Servers Location

thinkit.co.jp desktop page speed rank

Last tested: 2019-12-11

Desktop Speed Bad

53/100

thinkit.co.jp Desktop Speed Test Quick Summary

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thinkit.co.jp Desktop Resource Breakdown

Total Resources	119
Number of Hosts	31
Static Resources	87
JavaScript Resources	42
CSS Resources	4

thinkit.co.jp mobile page speed rank

Last tested: 2019-12-12

Mobile Speed Medium

66/100

thinkit.co.jp Mobile Speed Test Quick Summary

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priority - 11Enable compression

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priority - 10Leverage browser caching

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priority - 8Eliminate render-blocking JavaScript and CSS in above-the-fold content

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priority - 2Minify JavaScript

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priority - 2Minify HTML

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thinkit.co.jp Mobile Resource Breakdown

Total Resources	130
Number of Hosts	38
Static Resources	90
JavaScript Resources	50
CSS Resources	4

thinkit.co.jp mobile page usability

Last tested: 2019-12-12

Mobile Usability Good

98/100

thinkit.co.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.

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The tap target <a href="/category/6907">フリーランス／起業</a> and 5 others are close to other tap targets.

The tap target <a href="/category/4512">設計／手法／テスト</a> and 11 others are close to other tap targets.
The tap target <a href="/article/17064">システム開発で作成するドキュメントの体系</a> and 3 others are close to other tap targets.
The tap target <a href="/series/5194">ReadWrite Japan</a> and 2 others are close to other tap targets.
The tap target <span id="trigger-41588" class="bap-trigger"></span> is close to 1 other tap targets.
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The tap target

<a href="https://soundc…7/ex2-pycon-jp" class="title__h2 sc-l…al title__line">#ex2 今年もPyCon JPの季節になりました</a>

is close to 1 other tap targets.
The tap target <button class="sc-button sc-b…sc-button-icon">Share</button> is close to 1 other tap targets.
The tap target <div class="commentPopover…llAvatar small"></div> is close to 1 other tap targets.
The tap target <a href="" class="commentPopover…me sc-truncate"> is close to 1 other tap targets.
The tap target <div class="cookiePolicy s…ckground-light">SoundCloud coo…yCookie policy</div> is close to 3 other tap targets.
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thinkit.co.jp HTML validation

Errors

Attribute “xmlns:fb” not allowed here.

Line: 9 Column: 16 - 44
"...TYPE html> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="ja" version="XHTML+RDFa 1.0" dir="ltr" xmlns:fb="http://ogp.me/ns/fb#" xmlns:og="http://ogp.me/ns#" xmlns:article="http://ogp.me/ns/article#" xmlns:book="http://ogp.me/ns/book#" xmlns:profile="http://ogp.me/ns/profile#" xmlns:video="http://ogp.me/ns/video#" xmlns:product="http://ogp.me/ns/product#"> <hea..."

Attribute “xmlns:og” not allowed here.

Attribute “xmlns:article” not allowed here.

Attribute “xmlns:book” not allowed here.

Attribute “xmlns:profile” not allowed here.

Attribute “xmlns:video” not allowed here.

Attribute “xmlns:product” not allowed here.

When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.

The “version” attribute on the “html” element is obsolete. You can safely omit it.

The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.

Line: 11 Column: 45 - 51
"...product#"> <head profile="http://www.w3.org/1999/xhtml/vocab"> <me..."

Bad value “header” for attribute “role” on element “header”.

Line: 202 Column: 1 - 49
"...section> <header id="header" class="header" role="header"> <d..."

Duplicate ID “logo”.

Line: 244 Column: 9 - 24
"...> <img src="https://thinkit.co.jp/sites/all/themes/radix_thinkit/logo.png" alt="オープンソース技術の実践活用メディア Think IT（シンクイット）" title="オープンソース技術の実践活用メディア Think IT（シンクイット）" id="logo"/> ..."

Element “form” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)

Line: 267 Column: 9 - 130
"...> <form class="navbar-form navbar-right" action="/" method="post" id="search-block-form" accept-charset="UTF-8" role="form"><div><..."

Duplicate ID “search-block-form”.

Line: 295 Column: 5 - 126
"...ne;"> <form class="navbar-form navbar-right" action="/" method="post" id="search-block-form" accept-charset="UTF-8" role="form"><div><..."

Duplicate ID “edit-search-block-form--2”.

Line: 299 Column: 2 - 185
"...</label> <input placeholder="記事検索" class="form-control input-sm form-control form-text" type="text" id="edit-search-block-form--2" name="search_block_form" value="" size="15" maxlength="128" /> </div..."

Duplicate ID “edit-actions”.

Line: 301 Column: 1 - 57
".../> </div> <div class="form-actions form-wrapper" id="edit-actions"><input..."

Duplicate ID “edit-submit--2”.

Line: 301 Column: 58 - 169
"...-actions"><input type="submit" id="edit-submit--2" name="op" value="検索" class="form-submit btn btn-default btn-primary" /></div>..."

Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)

Line: 462 Column: 84 - 114
"...-content"><div class="top-feature-image"><a hre..." Line: 463 Column: 1 - 31
".../a></div> <div class="top-feature-texts"> <di..." Line: 469 Column: 84 - 114
"...-content"><div class="top-feature-image"><a hre..." Line: 470 Column: 1 - 31
".../a></div> <div class="top-feature-texts"> <di..." Line: 476 Column: 84 - 114
"...-content"><div class="top-feature-image"><a hre..." Line: 477 Column: 1 - 31
".../a></div> <div class="top-feature-texts"> ..." Line: 682 Column: 83 - 203
"...-content"><div class="view view-serials view-id-serials view-display-id-panel_pane_3 view-dom-id-dcb0def8f610dabd7d93585b97d178b4"> ..." Line: 712 Column: 83 - 203
"...-content"><div class="view view-serials view-id-serials view-display-id-panel_pane_3 view-dom-id-b50f2628e6aaf6e34a8841d3921f2abc"> ..." Line: 742 Column: 83 - 203
"...-content"><div class="view view-serials view-id-serials view-display-id-panel_pane_3 view-dom-id-4de6da4c9456d611afbb30ca572ffc56"> ..." Line: 768 Column: 83 - 203
"...-content"><div class="view view-serials view-id-serials view-display-id-panel_pane_3 view-dom-id-b3f646ffde663ca63623670753725312"> ..." Line: 792 Column: 83 - 203
"...-content"><div class="view view-serials view-id-serials view-display-id-panel_pane_3 view-dom-id-a61cf86ff802f4f054780035f8b0ac8e"> ..." Line: 822 Column: 83 - 203
"...-content"><div class="view view-serials view-id-serials view-display-id-panel_pane_3 view-dom-id-d7abc6b60ed87f1d687cf301637c8393"> ..."

Start tag “a” seen but an element of the same type was already open.

Line: 1244 Column: 90 - 114
"...s="title"><a href="/article/15606">GPUの隠れ..." Line: 1246 Column: 90 - 114
"...s="title"><a href="/article/15342">Nutani..." Line: 1248 Column: 90 - 114
"...s="title"><a href="/article/14098">デイトリウム..." Line: 1277 Column: 90 - 114
"...s="title"><a href="/article/15600">仮想化に特化..." Line: 1279 Column: 90 - 114
"...s="title"><a href="/article/13472">次世代のコン..." Line: 1281 Column: 90 - 114
"...s="title"><a href="/article/13126">Verita..." Line: 1310 Column: 90 - 114
"...s="title"><a href="/article/15754">ついにその全..." Line: 1312 Column: 90 - 114
"...s="title"><a href="/article/15640">中国企業が目..." Line: 1314 Column: 90 - 114
"...s="title"><a href="/article/15639">KubeCo..." Line: 1345 Column: 90 - 114
"...s="title"><a href="/article/15281">iptabl..." Line: 1347 Column: 90 - 114
"...s="title"><a href="/article/14949">シスコのDe..." Line: 1349 Column: 90 - 114
"...s="title"><a href="/article/14112">Projec..." Line: 1378 Column: 90 - 114
"...s="title"><a href="/article/15816">Ranche..." Line: 1380 Column: 90 - 114
"...s="title"><a href="/article/15812">クラウドネイ..." Line: 1382 Column: 90 - 114
"...s="title"><a href="/article/15807">マイクロソフ..." Line: 1418 Column: 90 - 114
"...s="title"><a href="/article/10865">Debian..." Line: 1420 Column: 90 - 114
"...s="title"><a href="/article/11113">古いRHEL..." Line: 1422 Column: 90 - 114
"...s="title"><a href="/article/10946">日本マイクロ..." Line: 1451 Column: 90 - 114
"...s="title"><a href="/article/15732">hdfs_f..." Line: 1453 Column: 90 - 114
"...s="title"><a href="/article/15332">hdfs_f..." Line: 1455 Column: 90 - 114
"...s="title"><a href="/article/14654">ビッグデータ..." Line: 1484 Column: 90 - 114
"...s="title"><a href="/article/15658">クラウドネイ..." Line: 1486 Column: 90 - 114
"...s="title"><a href="/article/15629">Swiftで..." Line: 1488 Column: 90 - 114
"...s="title"><a href="/article/15184">Swiftの..." Line: 1517 Column: 90 - 114
"...s="title"><a href="/article/15737">ISUCON..." Line: 1519 Column: 90 - 114
"...s="title"><a href="/article/14011">Chatbo..." Line: 1521 Column: 90 - 114
"...s="title"><a href="/article/14010">Chatbo..." Line: 1552 Column: 90 - 114
"...s="title"><a href="/article/13591">Elasti..." Line: 1554 Column: 90 - 114
"...s="title"><a href="/article/13588">Elasti..." Line: 1556 Column: 90 - 114
"...s="title"><a href="/article/13569">Elasti..." Line: 1585 Column: 90 - 114
"...s="title"><a href="/article/15366">テスト設計技..." Line: 1587 Column: 90 - 114
"...s="title"><a href="/article/15287">開発者のため..." Line: 1589 Column: 90 - 114
"...s="title"><a href="/article/15235">Akka H..." Line: 1618 Column: 90 - 114
"...s="title"><a href="/article/15583">GitHub..." Line: 1620 Column: 90 - 114
"...s="title"><a href="/article/15582">GitHub..." Line: 1622 Column: 90 - 114
"...s="title"><a href="/article/15573">GitHub..." Line: 1658 Column: 90 - 114
"...s="title"><a href="/article/15483">台風!? 食..." Line: 1660 Column: 90 - 114
"...s="title"><a href="/article/13087">Elasti..." Line: 1662 Column: 90 - 114
"...s="title"><a href="/article/13321">v1.0がリ..." Line: 1691 Column: 98 - 130
"...s="title"><a href="/story/2012/12/13/3885">Cloudf..." Line: 1693 Column: 98 - 130
"...s="title"><a href="/story/2012/11/30/3857">セールスフォ..." Line: 1695 Column: 98 - 130
"...s="title"><a href="/story/2011/07/26/2203">ソフトウェア..." Line: 1726 Column: 90 - 114
"...s="title"><a href="/article/12564">VRゲームの..." Line: 1728 Column: 90 - 114
"...s="title"><a href="/article/11468">VRゲーム..." Line: 1730 Column: 90 - 114
"...s="title"><a href="/article/11471">「BIG R..." Line: 1759 Column: 90 - 114
"...s="title"><a href="/article/15280">OSSとライ..." Line: 1761 Column: 90 - 114
"...s="title"><a href="/article/15103">#ex2 今..." Line: 1763 Column: 90 - 114
"...s="title"><a href="/article/14903">Open S..." Line: 1799 Column: 90 - 114
"...s="title"><a href="/article/14629">LinuxC..." Line: 1801 Column: 90 - 114
"...s="title"><a href="/article/12771">OSSで脱サ..." Line: 1803 Column: 90 - 114
"...s="title"><a href="/article/12725">デベロッパー..." Line: 1832 Column: 98 - 130
"...s="title"><a href="/story/2014/11/07/5125">HAクラスタ..." Line: 1834 Column: 98 - 130
"...s="title"><a href="/story/2014/09/26/5126">クラウド時代..." Line: 1836 Column: 98 - 130
"...s="title"><a href="/story/2014/09/18/5127">低コストで可..." Line: 1865 Column: 90 - 114
"...s="title"><a href="/article/15841">クラウドネイ..." Line: 1867 Column: 90 - 114
"...s="title"><a href="/article/15834">クラウドネイ..." Line: 1869 Column: 90 - 114
"...s="title"><a href="/article/15823">クラウドネイ..." Line: 1900 Column: 90 - 114
"...s="title"><a href="/article/14083">Kibana..." Line: 1902 Column: 90 - 114
"...s="title"><a href="/article/13913">データを集め..." Line: 1904 Column: 90 - 114
"...s="title"><a href="/article/13895">データを集め..." Line: 1933 Column: 90 - 114
"...s="title"><a href="/article/13898">PagerD..." Line: 1935 Column: 90 - 114
"...s="title"><a href="/article/13743">PagerD..." Line: 1937 Column: 90 - 114
"...s="title"><a href="/article/13627">PagerD..."

End tag “a” violates nesting rules.

Stray end tag “a”.

Line: 1244 Column: 166 - 169
".../a></span></a></span..." Line: 1246 Column: 154 - 157
".../a></span></a></span..." Line: 1248 Column: 156 - 159
".../a></span></a></span..." Line: 1277 Column: 166 - 169
".../a></span></a></span..." Line: 1279 Column: 166 - 169
".../a></span></a></span..." Line: 1281 Column: 178 - 181
".../a></span></a></span..." Line: 1310 Column: 181 - 184
".../a></span></a></span..." Line: 1312 Column: 158 - 161
".../a></span></a></span..." Line: 1314 Column: 166 - 169
".../a></span></a></span..." Line: 1345 Column: 163 - 166
".../a></span></a></span..." Line: 1347 Column: 155 - 158
".../a></span></a></span..." Line: 1349 Column: 154 - 157
".../a></span></a></span..." Line: 1378 Column: 141 - 144
".../a></span></a></span..." Line: 1380 Column: 189 - 192
".../a></span></a></span..." Line: 1382 Column: 179 - 182
".../a></span></a></span..." Line: 1418 Column: 182 - 185
".../a></span></a></span..." Line: 1420 Column: 173 - 176
".../a></span></a></span..." Line: 1422 Column: 170 - 173
".../a></span></a></span..." Line: 1451 Column: 139 - 142
".../a></span></a></span..." Line: 1453 Column: 140 - 143
".../a></span></a></span..." Line: 1455 Column: 165 - 168
".../a></span></a></span..." Line: 1484 Column: 157 - 160
".../a></span></a></span..." Line: 1486 Column: 142 - 145
".../a></span></a></span..." Line: 1488 Column: 142 - 145
".../a></span></a></span..." Line: 1517 Column: 169 - 172
".../a></span></a></span..." Line: 1519 Column: 157 - 160
".../a></span></a></span..." Line: 1521 Column: 150 - 153
".../a></span></a></span..." Line: 1552 Column: 161 - 164
".../a></span></a></span..." Line: 1554 Column: 158 - 161
".../a></span></a></span..." Line: 1556 Column: 169 - 172
".../a></span></a></span..." Line: 1585 Column: 138 - 141
".../a></span></a></span..." Line: 1587 Column: 149 - 152
".../a></span></a></span..." Line: 1589 Column: 148 - 151
".../a></span></a></span..." Line: 1618 Column: 159 - 162
".../a></span></a></span..." Line: 1620 Column: 168 - 171
".../a></span></a></span..." Line: 1622 Column: 172 - 175
".../a></span></a></span..." Line: 1658 Column: 193 - 196
".../a></span></a></span..." Line: 1660 Column: 177 - 180
".../a></span></a></span..." Line: 1662 Column: 167 - 170
".../a></span></a></span..." Line: 1691 Column: 168 - 171
".../a></span></a></span..." Line: 1693 Column: 186 - 189
".../a></span></a></span..." Line: 1695 Column: 190 - 193
".../a></span></a></span..." Line: 1726 Column: 148 - 151
".../a></span></a></span..." Line: 1728 Column: 150 - 153
".../a></span></a></span..." Line: 1730 Column: 176 - 179
".../a></span></a></span..." Line: 1759 Column: 171 - 174
".../a></span></a></span..." Line: 1761 Column: 151 - 154
".../a></span></a></span..." Line: 1763 Column: 195 - 198
".../a></span></a></span..." Line: 1799 Column: 182 - 185
".../a></span></a></span..." Line: 1801 Column: 168 - 171
".../a></span></a></span..." Line: 1803 Column: 158 - 161
".../a></span></a></span..." Line: 1832 Column: 158 - 161
".../a></span></a></span..." Line: 1834 Column: 172 - 175
".../a></span></a></span..." Line: 1836 Column: 172 - 175
".../a></span></a></span..." Line: 1865 Column: 177 - 180
".../a></span></a></span..." Line: 1867 Column: 179 - 182
".../a></span></a></span..." Line: 1869 Column: 181 - 184
".../a></span></a></span..." Line: 1900 Column: 142 - 145
".../a></span></a></span..." Line: 1902 Column: 158 - 161
".../a></span></a></span..." Line: 1904 Column: 156 - 159
".../a></span></a></span..." Line: 1933 Column: 168 - 171
".../a></span></a></span..." Line: 1935 Column: 158 - 161
".../a></span></a></span..." Line: 1937 Column: 176 - 179
".../a></span></a></span..."

Stray end tag “span”.

Line: 1244 Column: 170 - 176
".../span></a></span> </di..." Line: 1246 Column: 158 - 164
".../span></a></span> </di..." Line: 1248 Column: 160 - 166
".../span></a></span> </di..." Line: 1277 Column: 170 - 176
".../span></a></span> </di..." Line: 1279 Column: 170 - 176
".../span></a></span> </di..." Line: 1281 Column: 182 - 188
".../span></a></span> </di..." Line: 1310 Column: 185 - 191
".../span></a></span> </di..." Line: 1312 Column: 162 - 168
".../span></a></span> </di..." Line: 1314 Column: 170 - 176
".../span></a></span> </di..." Line: 1345 Column: 167 - 173
".../span></a></span> </di..." Line: 1347 Column: 159 - 165
".../span></a></span> </di..." Line: 1349 Column: 158 - 164
".../span></a></span> </di..." Line: 1378 Column: 145 - 151
".../span></a></span> </di..." Line: 1380 Column: 193 - 199
".../span></a></span> </di..." Line: 1382 Column: 183 - 189
".../span></a></span> </di..." Line: 1418 Column: 186 - 192
".../span></a></span> </di..." Line: 1420 Column: 177 - 183
".../span></a></span> </di..." Line: 1422 Column: 174 - 180
".../span></a></span> </di..." Line: 1451 Column: 143 - 149
".../span></a></span> </di..." Line: 1453 Column: 144 - 150
".../span></a></span> </di..." Line: 1455 Column: 169 - 175
".../span></a></span> </di..." Line: 1484 Column: 161 - 167
".../span></a></span> </di..." Line: 1486 Column: 146 - 152
".../span></a></span> </di..." Line: 1488 Column: 146 - 152
".../span></a></span> </di..." Line: 1517 Column: 173 - 179
".../span></a></span> </di..." Line: 1519 Column: 161 - 167
".../span></a></span> </di..." Line: 1521 Column: 154 - 160
".../span></a></span> </di..." Line: 1552 Column: 165 - 171
".../span></a></span> </di..." Line: 1554 Column: 162 - 168
".../span></a></span> </di..." Line: 1556 Column: 173 - 179
".../span></a></span> </di..." Line: 1585 Column: 142 - 148
".../span></a></span> </di..." Line: 1587 Column: 153 - 159
".../span></a></span> </di..." Line: 1589 Column: 152 - 158
".../span></a></span> </di..." Line: 1618 Column: 163 - 169
".../span></a></span> </di..." Line: 1620 Column: 172 - 178
".../span></a></span> </di..." Line: 1622 Column: 176 - 182
".../span></a></span> </di..." Line: 1658 Column: 197 - 203
".../span></a></span> </di..." Line: 1660 Column: 181 - 187
".../span></a></span> </di..." Line: 1662 Column: 171 - 177
".../span></a></span> </di..." Line: 1691 Column: 172 - 178
".../span></a></span> </di..." Line: 1693 Column: 190 - 196
".../span></a></span> </di..." Line: 1695 Column: 194 - 200
".../span></a></span> </di..." Line: 1726 Column: 152 - 158
".../span></a></span> </di..." Line: 1728 Column: 154 - 160
".../span></a></span> </di..." Line: 1730 Column: 180 - 186
".../span></a></span> </di..." Line: 1759 Column: 175 - 181
".../span></a></span> </di..." Line: 1761 Column: 155 - 161
".../span></a></span> </di..." Line: 1763 Column: 199 - 205
".../span></a></span> </di..." Line: 1799 Column: 186 - 192
".../span></a></span> </di..." Line: 1801 Column: 172 - 178
".../span></a></span> </di..." Line: 1803 Column: 162 - 168
".../span></a></span> </di..." Line: 1832 Column: 162 - 168
".../span></a></span> </di..." Line: 1834 Column: 176 - 182
".../span></a></span> </di..." Line: 1836 Column: 176 - 182
".../span></a></span> </di..." Line: 1865 Column: 181 - 187
".../span></a></span> </di..." Line: 1867 Column: 183 - 189
".../span></a></span> </di..." Line: 1869 Column: 185 - 191
".../span></a></span> </di..." Line: 1900 Column: 146 - 152
".../span></a></span> </di..." Line: 1902 Column: 162 - 168
".../span></a></span> </di..." Line: 1904 Column: 160 - 166
".../span></a></span> </di..." Line: 1933 Column: 172 - 178
".../span></a></span> </di..." Line: 1935 Column: 162 - 168
".../span></a></span> </di..." Line: 1937 Column: 180 - 186
".../span></a></span> </di..."

Element “div” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)

Line: 2119 Column: 13 - 33
"... <h2><div class="tex2jax"><!--sm..." Line: 2237 Column: 13 - 33
"... <h2><div class="tex2jax"><!--sm..." Line: 2276 Column: 13 - 33
"... <h2><div class="tex2jax"><!--sm..."

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Line: 2135 Column: 73 - 143
"..."/member"><img src="/sites/all/themes/radix_thinkit/assets/images/mailmag.png" /></a></..." Line: 2142 Column: 75 - 128
"...lifehack"><img src="/sites/default/files/lifehack_takata.png" /></a></..." Line: 2148 Column: 75 - 121
"...techbook"><img src="/sites/default/files/techbook.png" /></a></..." Line: 2162 Column: 60 - 179
"...le/15754"><img src="/sites/default/files/styles/60x60/public/main_images/iggnahplgkponfal.png?itok=QN7Gv4ZV" class="media-object"></a></..." Line: 2167 Column: 60 - 177
"...le/15483"><img src="/sites/default/files/styles/60x60/public/main_images/an_oracle_main.jpg?itok=KN8TAgJ-" class="media-object"></a></..." Line: 2172 Column: 60 - 173
"...le/14031"><img src="/sites/default/files/styles/60x60/public/main_images/14031_main.jpg?itok=6Szgkxga" class="media-object"></a></..." Line: 2177 Column: 60 - 173
"...le/14032"><img src="/sites/default/files/styles/60x60/public/main_images/14032_main.jpg?itok=GFOlGNIT" class="media-object"></a></..." Line: 2182 Column: 60 - 181
"...le/14044"><img src="/sites/default/files/styles/60x60/public/main_images/jkd_pivotal01_main.jpg?itok=2zZwZdNj" class="media-object"></a></..." Line: 2187 Column: 60 - 177
"...le/14034"><img src="/sites/default/files/styles/60x60/public/main_images/jkd_ibm01_main.png?itok=PyJEdesa" class="media-object"></a></..." Line: 2192 Column: 60 - 177
"...le/14029"><img src="/sites/default/files/styles/60x60/public/main_images/jkd_apc01_main.jpg?itok=ufLJJglJ" class="media-object"></a></..." Line: 2197 Column: 60 - 181
"...le/14030"><img src="/sites/default/files/styles/60x60/public/main_images/jkd_microsoft_main.jpg?itok=6imJTzPa" class="media-object"></a></..."

Bad value “100%” for attribute “width” on element “iframe”: Expected a digit but saw “%” instead.

Line: 2279 Column: 52 - 364
"..._filter--><iframe width="100%" height="300" scrolling="no" frameborder="no" allow="autoplay" src="https://w.soundcloud.com/player/?url=https%3A//api.soundcloud.com/tracks/488955459&color=%23ff5500&auto_play=false&hide_related=false&show_comments=true&show_user=true&show_reposts=false&show_teaser=true&visual=true"></iframe> <p ..."

The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

Bad value “footer” for attribute “role” on element “footer”.

Line: 2295 Column: 1 - 49
"...per --> <footer id="footer" class="footer" role="footer"> <!-..."

End tag “section” seen, but there were open elements.

Line: 2375 Column: 1 - 10
"... </div> </section> <!-- ..."

Unclosed element “div”.

Line: 2318 Column: 3 - 29
"...</div> <div class="row hidden-xs"> <..."

Warnings

Attribute with the local name “xmlns:fb” is not serializable as XML 1.0.

Attribute with the local name “xmlns:og” is not serializable as XML 1.0.

Attribute with the local name “xmlns:article” is not serializable as XML 1.0.

Attribute with the local name “xmlns:book” is not serializable as XML 1.0.

Attribute with the local name “xmlns:profile” is not serializable as XML 1.0.

Attribute with the local name “xmlns:video” is not serializable as XML 1.0.

Attribute with the local name “xmlns:product” is not serializable as XML 1.0.

The “type” attribute is unnecessary for JavaScript resources.

Line: 55 Column: 3 - 33
"...all" /> <script type="text/javascript">  <script type="text/javascript"> var..." Line: 120 Column: 1 - 31
"...</script> <script type="text/javascript"> (fu..." Line: 153 Column: 2 - 107
"..._list" > <script type="text/javascript" src="/sites/all/themes/radix_thinkit/assets/javascripts/cx-scrolldepth.js"></scri..." Line: 353 Column: 1 - 31
"...:728px;'> <script type='text/javascript'> cX.ca..." Line: 382 Column: 4 - 34
"...den;"> <script type='text/javascript'> cX.ca..." Line: 390 Column: 4 - 34
"...den;"> <script type='text/javascript'> cX.ca..." Line: 2110 Column: 1 - 31
"...71091-1'> <script type='text/javascript'> cX.ca..." Line: 2215 Column: 1 - 31
"...71091-2'> <script type='text/javascript'> cX.ca..." Line: 2228 Column: 1 - 31
"...71091-3'> <script type='text/javascript'> cX.ca..." Line: 2384 Column: 3 - 134
"...i></a> <script type="text/javascript" src="https://thinkit.co.jp/sites/default/files/js/js_Rk5YIkK6m2gKTGH-GrMu0pM_PlMKXnI0ktQUgXw1XgA.js"></scri..." Line: 2385 Column: 1 - 132
"...</script> <script type="text/javascript" src="https://thinkit.co.jp/sites/default/files/js/js_DgOMLrB0OjiCcD2cmT1loWlyilT4kC08zZjnvrF33ac.js"></scri..." Line: 2386 Column: 1 - 31
"...</script> <script type="text/javascript"> <!--/..."

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

Line: 165 Column: 5 - 57
"...ript> <section id="top-menu" class="visible-lg visible-md"> <di..." Line: 2297 Column: 1 - 45
"..._wrap --> <section id="footer-links" class="container"> <d..."

The “navigation” role is unnecessary for element “nav”.

Line: 206 Column: 3 - 25
"...le-xs"> <nav class="navbar navbar-default navbar-inverse navbar-xs" role="navigation"> <..." Line: 239 Column: 1 - 48
"...> </div> <nav class="navbar navbar-default navbar-inverse navbar-offcanvas navbar-offcanvas-touch drawer-wrapper" role="navigation" id="js-bootstrap-offcanvas"> <di..."

The first occurrence of ID “logo” was here.

Line: 221 Column: 11 - 48
"... <img src="https://thinkit.co.jp/sites/all/themes/radix_thinkit/logo.png" alt="オープンソース技術の実践活用メディア Think IT（シンクイット）" title="オープンソース技術の実践活用メディア Think IT（シンクイット）" id="logo" class="center-block" /> ..."

The “form” role is unnecessary for element “form”.

Line: 267 Column: 9 - 130
"...> <form class="navbar-form navbar-right" action="/" method="post" id="search-block-form" accept-charset="UTF-8" role="form"><div><..." Line: 295 Column: 5 - 126
"...ne;"> <form class="navbar-form navbar-right" action="/" method="post" id="search-block-form" accept-charset="UTF-8" role="form"><div><..."

The first occurrence of ID “search-block-form” was here.

Line: 267 Column: 9 - 130
"...> <form class="navbar-form navbar-right" action="/" method="post" id="search-block-form" accept-charset="UTF-8" role="form"><div><..."

The first occurrence of ID “edit-search-block-form--2” was here.

Line: 271 Column: 2 - 185
"...</label> <input placeholder="記事検索" class="form-control input-sm form-control form-text" type="text" id="edit-search-block-form--2" name="search_block_form" value="" size="15" maxlength="128" /> </div..."

The first occurrence of ID “edit-actions” was here.

Line: 273 Column: 1 - 57
".../> </div> <div class="form-actions form-wrapper" id="edit-actions"><input..."

The first occurrence of ID “edit-submit--2” was here.

Line: 273 Column: 58 - 169
"...-actions"><input type="submit" id="edit-submit--2" name="op" value="検索" class="form-submit btn btn-default btn-primary" /></div>..."

Text run is not in Unicode Normalization Form C.

Line: 1728 Column: 115 - 138
"...le/11468">VRゲームのグラフィックを強化しよう(前編)</a></..."

Consider adding a “lang” attribute to the “html” start tag to declare the language of this document.

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thinkit.co.jp HTML validation

Errors

Attribute “xmlns:fb” not allowed here.

Attribute “xmlns:og” not allowed here.

Attribute “xmlns:article” not allowed here.

Attribute “xmlns:book” not allowed here.

Attribute “xmlns:profile” not allowed here.

Attribute “xmlns:video” not allowed here.

Attribute “xmlns:product” not allowed here.

When the attribute “xml:lang” in no namespace is specified, the element must also have the attribute “lang” present with the same value.

The “version” attribute on the “html” element is obsolete. You can safely omit it.

The “profile” attribute on the “head” element is obsolete. To declare which “meta” terms are used in the document, instead register the names as meta extensions. To trigger specific UA behaviors, use a “link” element instead.

Bad value “header” for attribute “role” on element “header”.

Duplicate ID “logo”.

Element “form” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)

Duplicate ID “search-block-form”.

Duplicate ID “edit-search-block-form--2”.

Duplicate ID “edit-actions”.

Duplicate ID “edit-submit--2”.

Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)

Start tag “a” seen but an element of the same type was already open.

End tag “a” violates nesting rules.

Stray end tag “a”.

Stray end tag “span”.

Element “div” not allowed as child of element “h2” in this context. (Suppressing further errors from this subtree.)