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Impress.co.jp 株式会社インプレス

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Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 1.13 sec.
Last Checked: 02/27/2019

Impress.co.jp receives about three hundred thousand unique visitors and nine hundred thousand pageviews per day. The estimated value of impress.co.jp is ten million USD. Each unique visitor makes about 2.71 pageviews on average.

Over the time impress.co.jp has been ranked as high as 345 in the world, while most of its traffic comes from Japan, where it reached as high as 46 position.

We recommend moving impress.co.jp server from United States to Japan, as it will speed up impress.co.jp page load time for the majority of their users.

At the time of the last check (January 28, 2019) impress.co.jp has a valid and up-to-date wildcard SSL certificate that expires on September 30, 2020.

According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust impress.co.jp is quite a safe domain.

Mobile-Friendly test indicates that impress.co.jp is well optimized for mobile and tablet devices.

Global Rank
764
Average Load Time
0.96sec
Links In Count
13,240
Website Value
$11.8 M
Overview
Last Updated: 06/26/2019
Overall result - "impress.co.jp" is SAFE.
We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.
Norton Connect Safe
Last Updated: 01/12/2019
NCS "impress.co.jp" OK.

Norton ConnectSafe evaluates impress.co.jp for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search
Last Updated: 10/10/2016
GSS "impress.co.jp" OK.

SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.

Google Safe Browsing
Last Updated: 02/18/2019
Malware not found at "impress.co.jp".
"impress.co.jp" is not a phishing page.
"impress.co.jp" does not install unwanted software.
"impress.co.jp" does not contain harmfull applications.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.
Site Advisor
Last Updated: 01/09/2019
SA "impress.co.jp" OK.

McAfee assesses impress.co.jp for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze impress.co.jp for mature or inappropriate content, only security checks are evaluated.

Web of Trust
Last Updated: 01/09/2019
WOT "impress.co.jp" VERY GOOD.

The WOT calculates reputation of the impress.co.jp. This reputation system receives ratings from users and information from third-party sources, assesses the impress.co.jp for safety features and confirms, whether impress.co.jp is suitable for children.

SSL Information
Domain *.impress.co.jp
Issuer Cybertrust Japan Public CA G3
Algorithm RSA-SHA256
Valid form 07/17/2018
Expiration 09/30/2020
Signed Certificate is not self signed
Additional Domains *.impress.co.jp
impress.co.jp
Server Location
Dallas
Texas
United States
ASN Information

ASN ID: 4694
ASN Title: IDC Yahoo Japan Corporation, JP

Last Update: 05/29/2019

% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS4608 - AS4864'

as-block: AS4608 - AS4864
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2008-09-04T06:40:26Z
source: APNIC

role: APNIC Hostmaster
address: 6 Cordelia Street
address: South Brisbane
address: QLD 4101
country: AU
phone: +61 7 3858 3100
fax-no: +61 7 3858 3199
e-mail: helpdesk@apnic.net
admin-c: AMS11-AP
tech-c: AH256-AP
nic-hdl: HM20-AP
remarks: Administrator for APNIC
notify: hostmaster@apnic.net
mnt-by: MAINT-APNIC-AP
last-modified: 2013-10-23T04:06:51Z
source: APNIC

% Information related to 'AS4672 - AS4735'

as-block: AS4672 - AS4735
descr: JPNIC-2Byte-ASBLOCK-AP
descr: for assignment to JPNIC members
country: JP
admin-c: JNIC1-AP
tech-c: JNIC1-AP
remarks: Authoritative information regarding AS Number
remarks: assignments made from within this block can be
remarks: queried at whois.nic.ad.jp.
remarks: To only display English output,
remarks: add '/e' at the end of command,
remarks: e.g. 'whois -h whois.nic.ad.jp xxx/e'.
mnt-by: APNIC-HM
mnt-lower: MAINT-JPNIC
last-modified: 2017-06-12T03:54:29Z
source: APNIC

role: Japan Network Information Center
address: Urbannet-Kanda Bldg 4F
address: 3-6-2 Uchi-Kanda
address: Chiyoda-ku, Tokyo 101-0047,Japan
country: JP
phone: +81-3-5297-2311
fax-no: +81-3-5297-2312
e-mail: hostmaster@nic.ad.jp
admin-c: JI13-AP
tech-c: JE53-AP
nic-hdl: JNIC1-AP
mnt-by: MAINT-JPNIC
last-modified: 2012-08-28T07:58:02Z
source: APNIC

% Information related to 'AS4694'

aut-num: AS4694
as-name: IDC
descr: Yahoo Japan Corporation
import:
export:
country: JP
admin-c: MH15688JP
tech-c: AN8394JP
tech-c: MT21278JP
last-modified: 2012-10-04T04:24:34Z
source: JPNIC

% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US4)

HTML Metatags
Title
株式会社インプレス
The title is too short, it may not provide search engines and users with enough information to understand the relevancy of your page. You should try to keep the length of the title somewhere between at least 10 characters and 70 characters.
Description
The description is too short. If a description is too short, the search engines may add text found elsewhere on the page. Note that search engines may show a different description from the one you have authored if they feel it may be more relevant to a user's search.
Encoding
UTF-8
You should always specify the encoding used for an HTML page. If you don't, you risk that characters in your content are incorrectly interpreted. This is not just an issue of human readability, increasingly machines need to understand your data too.
Language
ja Japanese
Identifying the language of your content allows you to automatically do a number of things, from changing the look and behavior of a page, to assisting search engines in extracting information. If part of the page uses text in a different language, you can add a language attribute with a different value to the element that surrounds that content.
Language Region
Not Found
Images
Attribute ALT
Line 68, ...<img src="/common/images/arrow_black.png" height="50" width="50" ...
Line 73, ...<img src="/common/images/arrow_black.png" height="50" width="50" ...
Line 78, ...<img src="/common/images/arrow_black.png" height="50" width="50" ...
As a general rule, search engines do not interpret the content of image files. The text provided in the <img alt> attribute enables the site owner to provide relevant information to the search engine and to the end user.
H1-H6 Tags Information

For search engines, <H> tags helps understand the structure of the text on a page better. For users, headings are like anchors in a wall of text, navigating them through the page and making it easier to digest. The <h1> tag reinforces the core keyword(s) found in the <title>, <description>, and the <body>. We recommend that the <h1> tag includes keywords that reflect the contents of the page and that it is not longer than 150 characters in length, but don’t overuse the tags and the keywords in them. Keep it readable for users.

H1
Line 33, ...<h1><img src="https://www.impress.co.jp/common/images/logo_impres...
Your H1 introduces the topic your page is all about, just as a title tells a reader what a book is all about.
H2
Line 127, ...<h2><img src="https://www.impress.co.jp//common/images/logo_impre...
The H2s are akin to book chapters, describing the main topics you’ll cover in sections of the article.
H3
3 H3 tag(s).
Subsequent headers, H3s to H6s, serve as additional sub-headings within each section, just as a book chapter may be split up by multiple sub-topics.
H4
H5
H6
Iframes Information
iFrame
Line 97, ...<iframe style="width:100%; height:500px;" frameborder="0" src="ht...
Since search engines consider the content in iframes to belong to another website, the best you can hope for is no effect on SEO. Iframes tend to neither help nor hurt your search engine ranking. For this reason, it’s best to refrain from using iframes on main pages that you want to rank high in search engine results. Instead, fill high-priority pages with useful, unique content and save iframes for other pages.
Code To Text Ratio
Code To Text Ratio
5.38 %
A good code to text ratio is anywhere from 25 to 70 percent. This percentage refers to the visible text ratio, as opposed to HTML elements, image tags and other non-visible information. This has become especially apparent since search engines, such as Google, released the Panda update which placed importance on content-driven sites.
Favicons

Favicons are the little piece of graphic that represents your brand on browser tabs, bookmark lists, search history, search ads and even search results. These files are placed in a file called favicon.ico and placed in the root directory of a website. There are no direct SEO effects of having favicons. However, there may be indirect benefits such as increased usability of site and bookmarks. It makes your website look more professional and help a users to remember your site while browsing through multiple URLs. If you want to get mentioned benefits you have to specify icons for different web browsers and sometimes even for different mobiles.

Default Favicon
Backup icon for most desktop browsers (if no icon of the right size is found). Tag format <link rel="shortcut icon" href="path-to-16x16-icon.ico" type="image/x-icon" />
16x16 Optional Favicon
Standard icon for outdated browsers or small resolution hand held devices. Tag format <link rel="icon" type="image/png" sizes="16x16" href="path-to-16x16.png">
32x32 Optional Favicon
Standard for most desktop browsers. Tag format <link rel="icon" sizes="32x32" href="path-to-32x32.png">
96x96 Optional Favicon
Mostly used as GoogleTV icon. Tag format <link rel="icon" type="image/png" sizes="96x96" href="path-to-96x96.png">
Default Apple Icon
Backup icon for apple devices (if no icon of the right size is found). Preferrable size 60x60. Tag format <link rel="apple-touch-icon" sizes="72x72" href="path-to-small-icon.png">
180x180 Apple Icon
iPhone 6 plus icons. Tag format <link rel="apple-touch-icon" sizes="180x180" href="path-to-180x180.png">
152x152 Apple Icon
iPad, iPad mini icons. Tag format <link rel="apple-touch-icon" sizes="152x152" href="path-to-icon-152x152.png">
167x167 Apple Icon
iPad Pro icon. Tag format <link rel="apple-touch-icon" sizes="167x167" href="path-to-167x167.png">
Robots.txt Information

Robots.txt is a text file that website owners can create to tell search engine bots how to crawl and index pages on their site.

Robots File
Robots File failed Loaded (/robots.txt)
If you don’t have a robots.txt file, then search engines will still crawl and index your website. However, you will not be able to tell search engines which pages or folders they should not crawl.
Sitemap

A sitemap is an XML file where is provided information about each URL: when it was last updated, how often it changes, and how important it is in relation to other URLs in the site. Search engines crawling bots read this file to more efficiently and intelligently crawl your site and to find URLs that may be isolated from rest of the site's content.

Default Sitemap
Sitemap File failed Loaded (/sitemap.xml)
Your site will benefit from having a sitemap.
WHOIS

[ 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] IMPRESS.CO.JP
e. [そしきめい] かぶしきがいしゃ いんぷれすほーるでぃんぐす
f. [組織名] 株式会社インプレスホールディングス
g. [Organization] Impress Holdings, Inc.
k. [組織種別] 株式会社
l. [Organization Type] CO
m. [登録担当者] KA19179JP
n. [技術連絡担当者] KA19179JP
p. [ネームサーバ] ns-468.awsdns-58.com
p. [ネームサーバ] ns-1109.awsdns-10.org
p. [ネームサーバ] ns-674.awsdns-20.net
p. [ネームサーバ] ns-1841.awsdns-38.co.uk
s. [署名鍵]
[状態] Connected (2019/03/31)
[登録年月日]
[接続年月日] 2011/07/07
[最終更新] 2018/04/01 01:04:08 (JST)

DNS Records
HostA RecordTTL
impress.co.jp203.183.234.2300
HostMX RecordPriorityTTL
impress.co.jpaspmx.l.google.com1300
impress.co.jpalt3.aspmx.l.google.com10300
impress.co.jpalt4.aspmx.l.google.com10300
impress.co.jpalt1.aspmx.l.google.com5300
impress.co.jpalt2.aspmx.l.google.com5300
HostNS RecordTTL
impress.co.jpns-1109.awsdns-10.org172800
impress.co.jpns-1841.awsdns-38.co.uk172800
impress.co.jpns-468.awsdns-58.com172800
impress.co.jpns-674.awsdns-20.net172800
HostTXT RecordTTL
impress.co.jpMS=ms10695220300
impress.co.jpv=spf1 include:_spf.google.com include:_spf.impress.co.jp include:_spf_ext.impress.co.jp ~all300

ns-468.awsdns-58.com
TTL: 900
Email address: awsdns-hostmaster.amazon.com
Serial: 1
Refresh: 7200
Retry: 900
Expire: 1209600
Minimum: 86400

Warnings
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..."

Last tested: 01/30/2018

Desktop
Desktop Speed
69%
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:

https://www.impress.co.jp//common/images/arrow_top.png (expiration not specified)
https://www.impress.co.jp//common/images/logo_impress2.png (expiration not specified)
https://www.impress.co.jp/common/css/ipc_base.css (expiration not specified)
https://www.impress.co.jp/common/css/ipc_top.css (expiration not specified)
https://www.impress.co.jp/common/images/arrow_black.png (expiration not specified)
https://www.impress.co.jp/common/images/arrow_gray.png (expiration not specified)
https://www.impress.co.jp/common/images/banner_01.png (expiration not specified)
https://www.impress.co.jp/common/images/banner_20170901D.png (expiration not specified)
https://www.impress.co.jp/common/images/banner_201711B.png (expiration not specified)
https://www.impress.co.jp/common/images/banner_201801A.png (expiration not specified)
https://www.impress.co.jp/common/images/banner_201801B.png (expiration not specified)
https://www.impress.co.jp/common/images/banner_201801C.png (expiration not specified)
https://www.impress.co.jp/common/images/bg_gray.png (expiration not specified)
https://www.impress.co.jp/common/images/bg_service.png (expiration not specified)
https://www.impress.co.jp/common/images/bg_yellow.png (expiration not specified)
https://www.impress.co.jp/common/images/btn_ad.png (expiration not specified)
https://www.impress.co.jp/common/images/btn_books.png (expiration not specified)
https://www.impress.co.jp/common/images/btn_list.png (expiration not specified)
https://www.impress.co.jp/common/images/btn_release.png (expiration not specified)
https://www.impress.co.jp/common/images/btn_saiyou.png (expiration not specified)
https://www.impress.co.jp/common/images/icon_access2.png (expiration not specified)
https://www.impress.co.jp/common/images/icon_pin.png (expiration not specified)
https://www.impress.co.jp/common/images/img_bm.png (expiration not specified)
https://www.impress.co.jp/common/images/img_book.png (expiration not specified)
https://www.impress.co.jp/common/images/img_net.png (expiration not specified)
https://www.impress.co.jp/common/images/logo_impress.png (expiration not specified)
https://www.impress.co.jp/vendor/slick/ajax-loader.gif (expiration not specified)
https://www.impress.co.jp/vendor/slick/controls.png (expiration not specified)
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)

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).

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/

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

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).
Compressing https://www.impress.co.jp/common/images/banner_20170901D.png could save 10.4KiB (34% reduction).
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).
Compressing https://www.impress.co.jp/common/images/logo_impress.png could save 366B (11% reduction).
Compressing https://www.impress.co.jp/common/images/btn_list.png could save 364B (32% reduction).
Compressing https://www.impress.co.jp/common/images/arrow_gray.png could save 250B (31% reduction).
Compressing https://www.impress.co.jp/common/images/icon_access2.png could save 102B (25% reduction).

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).

Minifying https://www.impress.co.jp/common/css/ipc_base.css could save 1.8KiB (21% reduction).
Minifying https://www.impress.co.jp/common/css/ipc_top.css could save 1.3KiB (20% reduction).
Minifying https://www.impress.co.jp/vendor/slick/slick.css could save 385B (23% reduction).

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).

Desktop Resource Breakdown
Total Resources84
Number of Hosts10
Static Resources68
JavaScript Resources14
CSS Resources4

Last tested: 06/12/2016

Mobile
Mobile Usability
67%
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) final.
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) final.
Impress Watch熊本地震関連情報 renders only 5 pixels tall (12 CSS pixels) final.
お知らせ and 2 others render only 5 pixels tall (12 CSS pixels) final.
▶ and 1 others render only 5 pixels tall (12 CSS pixels) final.
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) final.
2016.06.10 and 2 others render only 5 pixels tall (12 CSS pixels) final.
特定商取引法に基づく表示 and 12 others render only 5 pixels tall (12 CSS pixels) final.
2016 Impress C…ghts reserved. and 1 others render only 5 pixels tall (12 CSS pixels) final.

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.
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 final.
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 final.

Mobile Speed
62%
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

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)
http://www.impress.co.jp/img/h3news.png (expiration not specified)
http://www.impress.co.jp/img/img_topbox1.png (expiration not specified)
http://www.impress.co.jp/img/img_topbox2.png (expiration not specified)
http://www.impress.co.jp/img/img_topbox3.png (expiration not specified)
http://www.impress.co.jp/img/img_topbox4.png (expiration not specified)
http://www.impress.co.jp/img/mainmenu.png (expiration not specified)
http://www.impress.co.jp/img/mainvisual.png (expiration not specified)
http://www.impress.co.jp/img/topbox-bottom.png (expiration not specified)
http://www.impress.co.jp/img/totop.png (expiration not specified)
http://www.impress.co.jp/img/txt_topbox1.png (expiration not specified)
http://www.impress.co.jp/img/txt_topbox2.png (expiration not specified)
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)

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).
Compressing http://www.impress.co.jp/css/style.css could save 8.4KiB (78% reduction).
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).
Compressing http://www.impress.co.jp/newsrelease/modi.js could save 706B (51% reduction).

Properly formatting and compressing images can save many bytes of data.
Optimize the following images to reduce their size by 41KiB (36% reduction).

Losslessly compressing http://www.impress.co.jp/img/h3_topbox1.png could save 5.1KiB (62% reduction).
Losslessly compressing http://www.impress.co.jp/img/h3_topbox4.png could save 4.9KiB (61% reduction).
Losslessly compressing http://www.impress.co.jp/img/h3_topbox3.png could save 4.7KiB (60% reduction).
Losslessly compressing http://www.impress.co.jp/img/img_topbox2.png could save 4.1KiB (17% reduction).
Losslessly compressing http://www.impress.co.jp/img/img_topbox1.png could save 3.8KiB (14% reduction).
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Losslessly compressing http://www.impress.co.jp/img/txt_topbox3.png could save 3.3KiB (47% reduction).
Losslessly compressing http://www.impress.co.jp/img/h3_topbox2.png could save 3.1KiB (57% reduction).
Losslessly compressing http://www.impress.co.jp/img/txt_topbox1.png could save 3KiB (46% reduction).
Losslessly compressing http://www.impress.co.jp/img/txt_topbox2.png could save 3KiB (45% reduction).
Losslessly compressing http://www.impress.co.jp/img/bnlogo.png could save 1KiB (50% reduction).
Losslessly compressing http://www.impress.co.jp/img/arrow.png could save 879B (84% reduction).
Losslessly compressing http://www.impress.co.jp/img/totop.png could save 550B (40% reduction).

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).

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).

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).

Mobile Resource Breakdown
Total Resources27
Number of Hosts3
Static Resources24
JavaScript Resources4
CSS Resources1