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wiley.co.jp: Wiley Publishing Japan::ワイリー・パブリッシング・ジャパン

出版社ワイリーの日本語ホームページ。出版社ワイリーは、1807年の創業以来、200年以上にわたり、様々な分野で情報・知識を求める皆さまのニーズに応えることを目指してきました。

Page load speed analysis

  • 54/100

    Normal result
  • 5

    Successful tests
  • 3

    Failed tests
  • First response

    480 ms

  • Resources loaded

    2.4 sec

  • Page rendered

    178 ms

  • Total page load time

    3 sec

Click here to check amazing Wiley content for Japan. Otherwise, check out these important facts you probably never knew about wiley.co.jp

We analyzed Wiley.co.jp page load time and found that the first response time was 480 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Page optimization

  • HTML 19.2 kB
    Images 134.6 kB
    Javascripts 4.1 kB
    CSS 53.2 kB

    In fact, the total size of Wiley.co.jp main page is 211.0 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 20% of websites need less resources to load. Images take 134.6 kB which makes up the majority of the site volume.

    • Original 19.2 kB
    • After minification 17.7 kB
    • After compression 6.2 kB

    HTML optimization

    HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 13.0 kB or 68% of the original size.

    • Original 134.6 kB
    • After optimization 130.5 kB

    Image optimization

    Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Wiley images are well optimized though.

    • Original 4.1 kB
    • After minification 2.3 kB
    • After compression 951 B

    JavaScript optimization

    It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 3.1 kB or 77% of the original size.

    • Original 53.2 kB
    • After minification 45.0 kB
    • After compression 10.0 kB

    CSS optimization

    CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Wiley.co.jp needs all CSS files to be minified and compressed as it can save up to 43.2 kB or 81% of the original size.

Network requests diagram

  • wiley.co.jp
  • index.css
  • flash.js
  • base.css
  • cmn.css
  • header.css
  • footer.css
  • text.css
  • left_menu.css
  • home.css
  • topics.css
  • books.css
  • journals.css
  • electronic.css
  • corporate.css
  • map.css
  • career.css
  • faq.css
  • sitemap.css
  • privacy.css
  • bg.gif
  • head_bg.gif
  • logo.gif
  • navi_home.gif
  • navi_home_o.gif
  • navi_books.gif
  • navi_journals.gif
  • navi_electronic.gif
  • navi_corporate.gif
  • bg_contents.gif
  • menu_bnr01.gif
  • menu_bnr02.gif
  • menu_bnr03.gif
  • menu_bnr04.gif
  • banner_stm.gif
  • banner_seminar.gif
  • menu_exhibition.gif
  • menu_map.gif
  • menu_career.gif
  • menu_faq.gif
  • image001.gif
  • image002.gif
  • image003.gif
  • bnr_pse.gif
  • bnr_health.gif
  • 160215.gif
  • top.jpg
  • sbt_new.gif
  • pdficon_small.gif
  • ico_winopen.gif
  • print.css

Our browser made a total of 51 requests to load all elements on the main page. We found that all of those requests were addressed to Wiley.co.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Wiley.co.jp.

Additional info on wiley.co.jp

Requests

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wiley. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for CSS and as a result speed up the page load time.

1

Javascripts

30

Images

19

CSS

50

All

Possible request optimization

1

Javascripts

25

Images

1

CSS

23

Optimized

27

All

Normal result

IP address

Wiley.co.jp uses IP address which is currently shared with 4 other domains. The more sites share the same IP address, the higher the host server’s workload is. It is strongly recommended that the host server should be changed or the hosting provider should be requested to give a different (separate) IP address for this domain.

Poor result

IP Trace

wiley.co.jp

lake-wood.co.jp

e-aihome.co.jp

magictrain.biz

ide-sr.com

216.230.250.169

DNS records

Type Host Target/ip TTL Other
A

wiley.co.jp

216.230.250.169 21600
NS

wiley.co.jp

tsukuba.aics.ne.jp 21600
NS

wiley.co.jp

kotetsu.alpha-lt.net 21600
SOA

wiley.co.jp

21600 Mname: kotetsu.alpha-lt.net
Rname: postmaster.alpha-web.ne.jp
Serial: 2018101116
Refresh: 10800
Retry: 3600
Expire: 604800
Minimum-ttl: 86400
MX

wiley.co.jp

ampub03.alpha-mail.net 21600 Pri: 10

Language and encoding

Normal result

Language

JA ja language flag

Detected

JA ja language flag

Claimed

Encoding

SHIFT_JIS

Claimed

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Wiley.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it matches the claimed language. Our system also found out that Wiley.co.jp main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

HTTPS certificate

SSL Certificate

Wiley.co.jp has no SSL certificate. Web browsing can be safer with HTTPS connection, so we suggest that it should be obtained for this site.

Normal result

Visitor World Map

Country of origin for 100% of all visits is Japan. It lies approximately 4840 miles away from the server location (United States) and such a long distance can negatively affect website speed, as it takes some time for data to travel back and forth between those places. That’s why one of the best ways to speed up Wiley.co.jp page load time for the majority of users is moving the server to Japan or just closer to the user base.

Poor result

Poor result

Social Sharing Optimization

Open Graph description is not detected on the main page of Wiley. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks:

wiley.co.jp

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