ALC.CO.JP 英語学習・TOEIC対策・英辞郎 on the WEB | アルク


alc.co.jp website information.

alc.co.jp website servers are located in Japan and are responding from following IP address 165.100.234.44. Check the full list of most visited websites located in Japan.

alc.co.jp domain name is registered by .JP top-level domain registry. See the other sites registred in .JP domain zone.

Following name servers are specified for alc.co.jp domain:

  • viola.scsc3.net
  • ns3.scnet.ne.jp

and probably website alc.co.jp is hosted by scsc3.net web hosting company. Check the complete list of other most popular websites hosted by scsc3.net hosting company.

According to Alexa traffic rank the highest website alc.co.jp position was 940 (in the world). The lowest Alexa rank position was 12268. Now website alc.co.jp ranked in Alexa database as number 1916 (in the world).

Website alc.co.jp Desktop speed measurement score (24/100) is better than the results of 3.28% of other sites shows that the page desktop performance can be improved.

alc.co.jp Mobile usability score (99/100) is better than the results of 87.11% of other sites and means that the page is mobile-friendly.

Mobile speed measurement score of alc.co.jp (25/100) is better than the results of 4.05% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

Weekly Rank Report

DateRankChange
Nov-20-2019 1,916634
Nov-19-2019 2,5501,539
Nov-18-2019 4,089-1,881
Nov-17-2019 2,208808
Nov-16-2019 3,016-415
Nov-15-2019 2,601-50
Nov-14-2019 2,551585

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alc.co.jp Rank History

Alexa can identify the popularity of a website as well as its competitors. It is important for website owners and bloggers to know their Alexa ranking because it shows how many visitors have viewed their web page. It gives them a clear idea of how popular their website is on the internet and the ranking of their competitors.


alc.co.jp whois

WHOIS is a query and response protocol that is widely used for querying databases that store the registered users or assignees of an Internet resource, such as a domain name, an IP address block, or an autonomous system, but is also used for a wider range of other information.


[ 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] ALC.CO.JP
e. [そしきめい] かぶしきがいしゃ あるく
f. [組織名] 株式会社 アルク
g. [Organization] ALC PRESS INC.
k. [組織種別] 株式会社
l. [Organization Type] Corporation
m. [登録担当者] TK66678JP
n. [技術連絡担当者] TK66678JP
p. [ネームサーバ] ns3.scnet.ne.jp
p. [ネームサーバ] viola.scsc3.net
s. [署名鍵]
[状態] Connected (2017/06/30)
[登録年月日] 1995/06/05
[接続年月日] 1995/07/24
[最終更新] 2016/12/19 16:45:49 (JST)

alc.co.jp server information

Servers Location

alc.co.jp desktop page speed rank

Last tested: 2017-07-10


Desktop Speed Bad
24/100

alc.co.jp Desktop Speed Test Quick Summary


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http://www.googletagmanager.com/gtm.js?id=GTM-TKK8PX (15 minutes)
http://www.googletagmanager.com/gtm.js?id=GTM-TVDR9W (15 minutes)
http://connect.facebook.net/ja_JP/sdk.js (20 minutes)
https://yads.c.yimg.jp/js/yads.js (30 minutes)
http://pagead2.googlesyndication.com/pagead/show_ads.js (60 minutes)
https://gum.criteo.com/sync?c=46&r=2&j=handleData (60 minutes)
https://pagead2.googlesyndication.com/pagead/osd.js?137237720 (60 minutes)
http://www.google-analytics.com/analytics.js (2 hours)
https://ads.rubiconproject.com/ad/14032.js (2.5 hours)
http://cdn.taboola.com/libtrc/precisionmarketing-alc-branding-sc/tfa.js (4 hours)

priority - 18 Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 7 blocking script resources and 13 blocking CSS resources. This causes a delay in rendering your page.

None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.

Remove render-blocking JavaScript:

http://www.alc.co.jp/js/jquery.js
http://www.alc.co.jp/js/jq-lib.js
http://www.alc.co.jp/js/jquery.flatheights.js
http://www.alc.co.jp/common/js/jquery.cookie.js
http://www.alc.co.jp/js/shadowbox/shadowbox.js
http://www.alc.co.jp/js/shadowboxini.js
http://www.alc.co.jp/js/eow_compressed.js

Optimize CSS Delivery of the following:

http://www.alc.co.jp/css/master2.css
http://www.alc.co.jp/css/layout_160515.css
http://www.alc.co.jp/css/parts.css
http://www.alc.co.jp/css/module.css
http://www.alc.co.jp/css/helper.css
http://www.alc.co.jp/css/local_nav_module.css
http://www.alc.co.jp/css/layout2.css
http://www.alc.co.jp/css/user_1.css
http://www.alc.co.jp/css/extr_1.css
http://www.alc.co.jp/css/extr_2.css
http://www.alc.co.jp/css/base_1.css
http://www.alc.co.jp/css/shadowbox.css
http://www.alc.co.jp/css/tooltips.css

priority - 10 Minify CSS

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priority - 1 Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 11.9KiB (19% reduction).

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priority - 1 Minify JavaScript

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alc.co.jp Desktop Resources

Total Resources245
Number of Hosts61
Static Resources108
JavaScript Resources72
CSS Resources16

alc.co.jp Desktop Resource Breakdown

alc.co.jp mobile page speed rank

Last tested: 2017-05-21


Mobile Speed Bad
25/100

alc.co.jp Mobile Speed Test Quick Summary


priority - 122 Optimize images

Properly formatting and compressing images can save many bytes of data.

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priority - 75 Leverage browser caching

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Leverage browser caching for the following cacheable resources:

http://b92.yahoo.co.jp/js/s_retargeting.js (expiration not specified)
http://c.iogous.com/js/banner/DIGITALICE_REC.js (expiration not specified)
http://c.iogous.com/mb/dt/CID=ev1xzIGCbPmd/SID=0pk….co.jp%252F%252F/CE=1/ (expiration not specified)
http://c.tgknt.com/c/j/TkN2F.lW2gpD (expiration not specified)
http://ds.advg.jp/adpds_deliver/js/pjs.js (expiration not specified)
http://img.adplan-ds.com/D1129/smartphone/320_50/e…320-50_kankyoG_and.jpg (expiration not specified)
http://www.alc.co.jp//img/sp/common/icon_star.gif (expiration not specified)
http://www.alc.co.jp/banner/bnr_first-alc.jpg (expiration not specified)
http://www.alc.co.jp/common/js/jquery.cookie.js (expiration not specified)
http://www.alc.co.jp/css/sp/base.css (expiration not specified)
http://www.alc.co.jp/css/sp/content.css (expiration not specified)
http://www.alc.co.jp/css/sp/jquery.bxslider.css (expiration not specified)
http://www.alc.co.jp/css/sp/module.css (expiration not specified)
http://www.alc.co.jp/css/sp/style_160519.css (expiration not specified)
http://www.alc.co.jp/diet0509.jpg (expiration not specified)
http://www.alc.co.jp/food0912.jpg (expiration not specified)
http://www.alc.co.jp/img/common/10190901_05_75_JP.gif (expiration not specified)
http://www.alc.co.jp/img/common/hm35_60_60.png (expiration not specified)
http://www.alc.co.jp/img/common/icon_arrow_blue.jpg (expiration not specified)
http://www.alc.co.jp/img/sp/common/arrow01.gif (expiration not specified)
http://www.alc.co.jp/img/sp/common/bg_gray01.gif (expiration not specified)
http://www.alc.co.jp/img/sp/common/bg_h2title01.png (expiration not specified)
http://www.alc.co.jp/img/sp/common/bnr_eijiro-pro.png (expiration not specified)
http://www.alc.co.jp/img/sp/common/bnr_facebook.gif (expiration not specified)
http://www.alc.co.jp/img/sp/common/bnr_twitter.gif (expiration not specified)
http://www.alc.co.jp/img/sp/common/btn_login.gif (expiration not specified)
http://www.alc.co.jp/img/sp/common/btn_mailmag.jpg (expiration not specified)
http://www.alc.co.jp/img/sp/common/btn_menu.gif (expiration not specified)
http://www.alc.co.jp/img/sp/common/btn_pc.jpg (expiration not specified)
http://www.alc.co.jp/img/sp/common/btn_regist.gif (expiration not specified)
http://www.alc.co.jp/img/sp/common/btn_shop.gif (expiration not specified)
http://www.alc.co.jp/img/sp/common/bx_loader.gif (expiration not specified)
http://www.alc.co.jp/img/sp/common/controls.png (expiration not specified)
http://www.alc.co.jp/img/sp/common/f_link02.jpg (expiration not specified)
http://www.alc.co.jp/img/sp/common/footer_bg.gif (expiration not specified)
http://www.alc.co.jp/img/sp/common/icon_footer-arrow01.gif (expiration not specified)
http://www.alc.co.jp/img/sp/common/icon_rank01.gif (expiration not specified)
http://www.alc.co.jp/img/sp/common/icon_rank02.gif (expiration not specified)
http://www.alc.co.jp/img/sp/common/icon_rank03.gif (expiration not specified)
http://www.alc.co.jp/img/sp/common/icon_ranking-title.gif (expiration not specified)
http://www.alc.co.jp/img/sp/common/img_num04.png (expiration not specified)
http://www.alc.co.jp/img/sp/common/img_num05.png (expiration not specified)
http://www.alc.co.jp/img/sp/common/logo.jpg (expiration not specified)
http://www.alc.co.jp/img/sp/common/logo_jump.gif (expiration not specified)
http://www.alc.co.jp/js/adtag1409.js (expiration not specified)
http://www.alc.co.jp/js/sp/dict.js (expiration not specified)
http://www.alc.co.jp/js/sp/jquery.bxslider.js (expiration not specified)
http://www.alc.co.jp/js/sp/jquery.js (expiration not specified)
http://www.alc.co.jp/kubo0511.png (expiration not specified)
http://www.alc.co.jp/onomichi.jpg (expiration not specified)
http://www.alc.co.jp/upload/Evine0518.jpg (expiration not specified)
http://www.alc.co.jp/upload/KEJ0519.png (expiration not specified)
http://www.alc.co.jp/upload/bnr_top_KCcp1705.jpg (expiration not specified)
http://www.alc.co.jp/upload/bnr_top_KidsSpring1704.jpg (expiration not specified)
http://www.alc.co.jp/upload/bnr_top_TOEICcp1705.jpg (expiration not specified)
http://www.alc.co.jp/upload/bnr_top_biz1705rev.jpg (expiration not specified)
http://www.alc.co.jp/upload/bnr_top_newTOEIC900_1705.jpg (expiration not specified)
http://www.alc.co.jp/upload/ebc0515.jpg (expiration not specified)
http://www.alc.co.jp/upload/keinan0517.jpg (expiration not specified)
http://js.fout.jp/prefs.js (6.2 minutes)
http://s.yimg.jp/images/listing/tool/yads/uadf/yad…ps-1.5.0.js?2017052101 (8.7 minutes)
http://cdn2.alc.co.jp/sa/img/img/common/EJ1706.jpg (10 minutes)
http://cdn2.alc.co.jp/sa/img/img/common/TOEIC1125.jpg (10 minutes)
http://cdn2.alc.co.jp/sa/img/img/common/ebook0512.jpg (10 minutes)
http://cdn2.alc.co.jp/sa/img/img/common/eigorobo0331.jpg (10 minutes)
http://cdn2.alc.co.jp/sa/img/img/common/insta0105.jpg (10 minutes)
http://cdn2.alc.co.jp/sa/img/img/common/kokunai-2.jpg (10 minutes)
http://cdn2.alc.co.jp/sa/img/img/common/kouchi.jpg (10 minutes)
http://cdn2.alc.co.jp/sa/img/img/common/movie.jpg (10 minutes)
http://cdn2.alc.co.jp/sa/img/img/common/toeic1012.png (10 minutes)
http://cdn2.alc.co.jp/sa/img/img/common/toeic1202-2.jpg (10 minutes)
http://cdn2.alc.co.jp/sa/img/img/common/travel0624.png (10 minutes)
http://cdn2.alc.co.jp/sa/img/img/common/versailles0502.png (10 minutes)
http://cdn2.alc.co.jp/sa/img/top/bnr_top_saiyo_b.jpg (10 minutes)
http://cdn2.alc.co.jp/sa/img/top/bnr_top_shop_3.jpg (10 minutes)
http://cdn2.alc.co.jp/sa/img/top/btn_program-list01.png (10 minutes)
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http://cdn2.alc.co.jp/sa/img/top/btn_program-list07.png (10 minutes)
http://cdn2.alc.co.jp/sa/img/top/btn_program-list08.png (10 minutes)
http://cdn2.alc.co.jp/sa/img/top/btn_program-list09.png (10 minutes)
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http://cdn2.alc.co.jp/sa/img/top/btn_program-list11.png (10 minutes)
http://cdn2.alc.co.jp/sa/img/top/btn_program-list_chinese.png (10 minutes)
http://cdn2.alc.co.jp/sa/img/top/btn_program-list_grammar.png (10 minutes)
http://cdn2.alc.co.jp/sa/img/top/btn_program-list_korean.png (10 minutes)
http://cdn2.alc.co.jp/sa/img/top/btn_program-list_other.png (10 minutes)
http://cdn2.alc.co.jp/sa/img/top/btn_program-list_tango.png (10 minutes)
http://cdn2.alc.co.jp/sa/img/top/btn_program-list_test.png (10 minutes)
http://www.googletagmanager.com/gtm.js?id=GTM-MJJWHQ (15 minutes)
http://www.googletagmanager.com/gtm.js?id=GTM-TKK8PX (15 minutes)
http://js.fout.jp/segmentation.js (18.3 minutes)
http://connect.facebook.net/ja_JP/sdk.js (20 minutes)
http://yads.c.yimg.jp/js/yads.js (30 minutes)
http://pagead2.googlesyndication.com/pagead/osd.js (60 minutes)
https://www.googletagservices.com/dcm/dcmads.js (60 minutes)
https://gum.criteo.com/sync?c=46&r=2&j=handleData (60 minutes)
http://www.google-analytics.com/analytics.js (2 hours)
http://cdn.taboola.com/libtrc/precisionmarketing-alc-branding-sc/tfa.js (4 hours)

priority - 48 Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 5 blocking script resources and 5 blocking CSS resources. This causes a delay in rendering your page.

None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.

Remove render-blocking JavaScript:

http://www.alc.co.jp/js/sp/jquery.js
http://www.alc.co.jp/common/js/jquery.cookie.js
http://www.alc.co.jp/js/adtag1409.js
http://ds.advg.jp/adpds_deliver/js/pjs.js
http://ds.advg.jp/adpds_deliver/p/js?adpds_site=al…=149539625963754231633

Optimize CSS Delivery of the following:

http://www.alc.co.jp/css/sp/base.css
http://www.alc.co.jp/css/sp/style_160519.css
http://www.alc.co.jp/css/sp/module.css
http://www.alc.co.jp/css/sp/content.css
http://www.alc.co.jp/css/sp/jquery.bxslider.css

priority - 35 Enable compression

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Enable compression for the following resources to reduce their transfer size by 337.4KiB (72% reduction).

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Compressing http://www.alc.co.jp/css/sp/content.css could save 5.8KiB (70% reduction).
Compressing http://js.fout.jp/prefs.js could save 5.5KiB (61% reduction).
Compressing http://www.alc.co.jp/css/sp/base.css could save 3.9KiB (67% reduction).
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priority - 15 Minify JavaScript

Compacting JavaScript code can save many bytes of data and speed up downloading, parsing, and execution time.

Minify JavaScript for the following resources to reduce their size by 147.3KiB (46% reduction).

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priority - 2 Minify HTML

Compacting HTML code, including any inline JavaScript and CSS contained in it, can save many bytes of data and speed up download and parse times.

Minify HTML for the following resources to reduce their size by 14.4KiB (29% reduction).

Minifying http://www.alc.co.jp// could save 13.8KiB (29% reduction).
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priority - 1 Minify CSS

Compacting CSS code can save many bytes of data and speed up download and parse times.

Minify CSS for the following resources to reduce their size by 6.9KiB (25% reduction).

Minifying http://www.alc.co.jp/css/sp/style_160519.css could save 2.9KiB (30% reduction).
Minifying http://www.alc.co.jp/css/sp/content.css could save 2.2KiB (28% reduction).
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alc.co.jp Mobile Resources

Total Resources235
Number of Hosts60
Static Resources161
JavaScript Resources64
CSS Resources11

alc.co.jp Mobile Resource Breakdown

alc.co.jp mobile page usability

Last tested: 2017-05-21


Mobile Usability Good
99/100

alc.co.jp Mobile Usability Test Quick Summary


priority - 0 Size 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 <div class="bx-pager bx-default-pager">12345</div> is close to 1 other tap targets.

The tap target <a href="https://m.face…ins%2Fpage.php">ヒアリングマラソン</a> is close to 1 other tap targets.
The tap target <a href="https://m.face…ins%2Fpage.php" class="_5pcq">5月19日 20:00</a> is close to 1 other tap targets.
The tap target <a href="//www.alc.co.jp/policy/">ご利用規約</a> and 1 others are close to other tap targets.

alc.co.jp Mobile Resources

Total Resources235
Number of Hosts60
Static Resources161
JavaScript Resources64
CSS Resources11

alc.co.jp Mobile Resource Breakdown

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alc.co.jp Ping

Ping is a networking utility tool to test if a particular host is reachable. It is a diagnostic that checks reachability of a host on an Internet Protocol (IP) network. In a computer network, a ping test is a way of sending messages from one host to another. Aside from checking if the host is connected to a network, ping also gives indicators of the reliability and general speed of the connection.


alc.co.jp TRACEROUTE

Traceroute is a network diagnostic tool used to track the pathway taken by a packet on an IP network from source to destination. Traceroute also records the time taken for each hop the packet makes during its route to the destination. Traceroute uses ICMP (Internet Control Message Protocol) echo packets with variable time to live values. The response time of each hop is calculated. To guarantee accuracy, each hop is queried multiple times (usually three times) to better measure the response of that particular hop.