IMPRESS.CO.JP 株式会社インプレス

impress.co.jp Website Information

Daily Unique Visits: 2,780,778

Daily Page Views: 22,246,224

Income Per Day: $22,246

Estimated Value: $24,025,680

This website is located in Japan and is using following IP address 203.183.234.2. See the complete list of popular websites hosted in Japan.

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

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

  • ns-674.awsdns-20.net
  • ns-1109.awsdns-10.org
  • ns-1841.awsdns-38.co.uk
  • ns-468.awsdns-58.com

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 impress.co.jp position in Alexa rank database was 345 and the lowest rank position was 10264. Current position of impress.co.jp in Alexa rank database is 548.

Desktop speed score of impress.co.jp (69/100) is better than the results of 50.07% of other sites and shows that the page desktop performance can be improved.

Mobile usability score of impress.co.jp (67/100) is better than the results of 32.54% of other sites and means that the page is not mobile-friendly.

Mobile speed score of impress.co.jp (62/100) is better than the results of 59.52% of other sites and shows that the landing page performance on mobile devices is poor and can be improved.

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impress.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.


impress.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:
a. [Domain Name] IMPRESS.CO.JP
g. [Organization] Impress Holdings, Inc.
l. [Organization Type] CO
m. [Administrative Contact] KA19179JP
n. [Technical Contact] KA19179JP
p. [Name Server] ns-468.awsdns-58.com
p. [Name Server] ns-1109.awsdns-10.org
p. [Name Server] ns-674.awsdns-20.net
p. [Name Server] ns-1841.awsdns-38.co.uk
s. [Signing Key]
[State] Connected (2016/03/31)
[Registered Date]
[Connected Date] 2011/07/07
[Last Update] 2015/04/13 13:49:15 (JST)

[ 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'. ]

Contact Information:
a. [JPNIC Handle] KA19179JP
c. [Last, First] Arita, Kenji
d. [E-Mail] nic-notify@impress.co.jp
g. [Organization] Impress Holdings, Inc.
o. [TEL] 03-6837-5010
p. [FAX]
y. [Reply Mail]
[Last Update] 2015/04/13 13:46:04 (JST)
form@dom.jprs.jp

impress.co.jp server information

Servers Location

impress.co.jp desktop page speed rank

Last tested: 2018-01-30


Desktop Speed Medium
69/100

impress.co.jp Desktop Speed Test Quick Summary


priority - 16 Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

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https://www.impress.co.jp/common/css/ipc_base.css (expiration not specified)
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https://www.impress.co.jp/vendor/slick/ajax-loader.gif (expiration not specified)
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https://www.impress.co.jp/vendor/slick/slick.css (expiration not specified)
https://www.impress.co.jp/vendor/slick/slick.min.js (expiration not specified)
https://maps.googleapis.com/maps/api/js?key=AIzaSy…117WM&callback=initMap (30 minutes)
https://www.google-analytics.com/analytics.js (2 hours)

priority - 11 Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 112KiB (75% reduction).

Compressing https://www.impress.co.jp/newsrelease/atom.xml could save 54.4KiB (76% reduction).
Compressing https://www.impress.co.jp/vendor/slick/slick.min.js could save 31KiB (75% reduction).
Compressing https://www.impress.co.jp/ could save 13.7KiB (71% reduction).
Compressing https://www.impress.co.jp/common/css/ipc_base.css could save 6.8KiB (76% reduction).
Compressing https://www.impress.co.jp/common/css/ipc_top.css could save 4.8KiB (73% reduction).
Compressing https://www.impress.co.jp/vendor/slick/slick.css could save 1.1KiB (67% reduction).

priority - 7 Avoid landing page redirects

Your page has 2 redirects. Redirects introduce additional delays before the page can be loaded.

Avoid landing page redirects for the following chain of redirected URLs.

http://impress.co.jp/
http://www.impress.co.jp/
https://www.impress.co.jp/

priority - 6 Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 3 blocking CSS resources. This causes a delay in rendering your page.

Optimize CSS Delivery of the following:

https://www.impress.co.jp/common/css/ipc_top.css
https://www.impress.co.jp/common/css/ipc_base.css
https://www.impress.co.jp/vendor/slick/slick.css

priority - 4 Optimize images

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

Optimize the following images to reduce their size by 34.2KiB (28% reduction).

Compressing https://www.impress.co.jp/common/images/banner_201801B.png could save 12.7KiB (30% reduction).
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Compressing https://www.impress.co.jp/common/images/bg_gray.png could save 2.4KiB (17% reduction).
Compressing https://www.impress.co.jp/vendor/slick/controls.png could save 1.4KiB (50% reduction).
Compressing https://www.impress.co.jp/common/images/btn_ad.png could save 1.2KiB (26% reduction).
Compressing https://www.impress.co.jp/common/images/icon_pin.png could save 1.2KiB (18% reduction).
Compressing https://www.impress.co.jp/common/images/btn_books.png could save 1.1KiB (28% reduction).
Compressing https://www.impress.co.jp/common/images/btn_release.png could save 1KiB (26% reduction).
Compressing https://www.impress.co.jp/common/images/btn_saiyou.png could save 869B (25% reduction).
Compressing https://www.impress.co.jp//common/images/logo_impress2.png could save 445B (18% reduction).
Compressing https://www.impress.co.jp//common/images/arrow_top.png could save 424B (30% reduction).
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Compressing https://www.impress.co.jp/common/images/arrow_gray.png could save 250B (31% reduction).
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priority - 0 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 3.5KiB (21% reduction).

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Minifying https://www.impress.co.jp/vendor/slick/slick.css could save 385B (23% reduction).

priority - 0 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 3.3KiB (18% reduction).

Minifying https://www.impress.co.jp/ could save 3.3KiB (18% reduction).

impress.co.jp Desktop Resource Breakdown

Total Resources84
Number of Hosts10
Static Resources68
JavaScript Resources14
CSS Resources4

impress.co.jp mobile page speed rank

Last tested: 2016-06-12


Mobile Speed Bad
62/100

impress.co.jp Mobile Speed Test Quick Summary


priority - 32 Eliminate render-blocking JavaScript and CSS in above-the-fold content

Your page has 3 blocking script resources and 1 blocking CSS resources. This causes a delay in rendering your page.

Remove render-blocking JavaScript:

http://www.impress.co.jp/js/jquery.js
http://www.impress.co.jp/js/jquery.page-scroller.js
http://www.impress.co.jp/newsrelease/modi.js

Optimize CSS Delivery of the following:

http://www.impress.co.jp/css/style.css

priority - 18 Leverage browser caching

Setting an expiry date or a maximum age in the HTTP headers for static resources instructs the browser to load previously downloaded resources from local disk rather than over the network.

Leverage browser caching for the following cacheable resources:

http://www.impress.co.jp/css/style.css (expiration not specified)
http://www.impress.co.jp/img/arrow.png (expiration not specified)
http://www.impress.co.jp/img/bnlogo.png (expiration not specified)
http://www.impress.co.jp/img/h3_topbox1.png (expiration not specified)
http://www.impress.co.jp/img/h3_topbox2.png (expiration not specified)
http://www.impress.co.jp/img/h3_topbox3.png (expiration not specified)
http://www.impress.co.jp/img/h3_topbox4.png (expiration not specified)
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http://www.impress.co.jp/img/img_topbox2.png (expiration not specified)
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http://www.impress.co.jp/img/mainmenu.png (expiration not specified)
http://www.impress.co.jp/img/mainvisual.png (expiration not specified)
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http://www.impress.co.jp/img/txt_topbox3.png (expiration not specified)
http://www.impress.co.jp/img/txt_topbox4.png (expiration not specified)
http://www.impress.co.jp/js/jquery.js (expiration not specified)
http://www.impress.co.jp/js/jquery.page-scroller.js (expiration not specified)
http://www.impress.co.jp/newsrelease/modi.js (expiration not specified)
http://www.google-analytics.com/analytics.js (2 hours)

priority - 8 Enable compression

Compressing resources with gzip or deflate can reduce the number of bytes sent over the network.

Enable compression for the following resources to reduce their transfer size by 77.4KiB (65% reduction).

Compressing http://www.impress.co.jp/js/jquery.js could save 57.5KiB (65% reduction).
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Compressing http://www.impress.co.jp/ could save 8KiB (68% reduction).
Compressing http://www.impress.co.jp/js/jquery.page-scroller.js could save 2.8KiB (53% reduction).
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priority - 4 Optimize images

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

Optimize the following images to reduce their size by 41KiB (36% reduction).

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priority - 0 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 1.9KiB (36% reduction).

Minifying http://www.impress.co.jp/js/jquery.page-scroller.js could save 1.9KiB (36% reduction).

priority - 0 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 1.5KiB (13% reduction).

Minifying http://www.impress.co.jp/ could save 1.5KiB (13% reduction).

priority - 0 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 1.2KiB (12% reduction).

Minifying http://www.impress.co.jp/css/style.css could save 1.2KiB (12% reduction).

impress.co.jp Mobile Resource Breakdown

Total Resources27
Number of Hosts3
Static Resources24
JavaScript Resources4
CSS Resources1

impress.co.jp mobile page usability

Last tested: 2016-06-12


Mobile Usability Medium
67/100

impress.co.jp Mobile Usability Test Quick Summary


priority - 40 Use legible font sizes

The following text on your page renders in a way that may be difficult for some of your visitors to read. Use legible font sizes to provide a better user experience.

The following text fragments have a small font size. Increase the font size to make them more legible.

熊本地震による災害についてのお見舞い renders only 5 pixels tall (14 CSS pixels).

熊本・大分を中心としました九…よりお見舞いを申し上げます。 and 9 others render only 5 pixels tall (12 CSS pixels).

Impress Watch熊本地震関連情報 renders only 5 pixels tall (12 CSS pixels).

お知らせ and 2 others render only 5 pixels tall (12 CSS pixels).

and 1 others render only 5 pixels tall (12 CSS pixels).

電子書籍無料ダウンロードを装った違法サイトにご注意ください and 1 others render only 5 pixels tall (12 CSS pixels).

2016.06.10 and 2 others render only 5 pixels tall (12 CSS pixels).

特定商取引法に基づく表示 and 12 others render only 5 pixels tall (12 CSS pixels).

2016 Impress C…ghts reserved. and 1 others render only 5 pixels tall (12 CSS pixels).

priority - 10 Configure the viewport

Your page does not have a viewport specified. This causes mobile devices to render your page as it would appear on a desktop browser, scaling it down to fit on a mobile screen. Configure a viewport to allow your page to render properly on all devices.

priority - 1 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 <a href="http://www.imp…it/message.htm">2017年 新卒採用を開始しました</a> and 1 others are close to other tap targets.

The tap target <a href="http://www.imp…160610-01.html">見て楽しみ、塗って創り出すあ…BOOK』を6月10日に発売</a> and 2 others are close to other tap targets.

impress.co.jp Mobile Resource Breakdown

Total Resources27
Number of Hosts3
Static Resources24
JavaScript Resources4
CSS Resources1

impress.co.jp HTML validation

Warnings

Consider avoiding viewport values that prevent users from resizing documents.

Line: 5 Column: 3 - 128
"...F-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0"> <me..."

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impress.co.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.


impress.co.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.