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koryu.co.jp screenshot

Report Summary

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    Performance

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    Accessibility

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    Best Practices

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    SEO

koryu.co.jp

海外留学なら信頼と実績のOKC

Page Load Speed

7.5 sec in total

First Response

683 ms

Resources Loaded

6.3 sec

Page Rendered

437 ms

koryu.co.jp screenshot

About Website

Click here to check amazing Koryu content. Otherwise, check out these important facts you probably never knew about koryu.co.jp

中学・高校留学、大学・大学院留学、海外インターンシップや語学留学など、OKCでは30年以上の歴史と実績を誇る日本で最初のオセアニア専門留学代理店です。オーストラリアとニュージーランドにはOKCの現地直営オフィスを展開しており、OKCの日本人スタッフが皆様の留学をサポートしています。OKCでは留学代理店として長年の実績が認められ、オーストラリア政府よりビジネスアワードを受賞した日本唯一の留学団体です...

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Key Findings

We analyzed Koryu.co.jp page load time and found that the first response time was 683 ms and then it took 6.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

koryu.co.jp performance score

0

Network Requests Diagram

koryu.co.jp

683 ms

www.koryu.co.jp

1291 ms

index.css

345 ms

image_navigation.css

353 ms

style.css

353 ms

Our browser made a total of 96 requests to load all elements on the main page. We found that 90% of them (86 requests) were addressed to the original Koryu.co.jp, 4% (4 requests) were made to Google-analytics.com and 1% (1 request) were made to B92.yahoo.co.jp. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Koryu.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 170.8 kB (14%)

Content Size

1.2 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Koryu.co.jp main page is 1.2 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Images take 918.4 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 45.9 kB

  • Original 56.3 kB
  • After minification 40.2 kB
  • After compression 10.3 kB

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. This page needs HTML code to be minified as it can gain 16.1 kB, which is 29% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 45.9 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 2.7 kB

  • Original 918.4 kB
  • After minification 915.7 kB

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. Koryu images are well optimized though.

JavaScript Optimization

-51%

Potential reduce by 92.9 kB

  • Original 182.0 kB
  • After minification 179.8 kB
  • After compression 89.1 kB

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 92.9 kB or 51% of the original size.

CSS Optimization

-87%

Potential reduce by 29.2 kB

  • Original 33.7 kB
  • After minification 22.6 kB
  • After compression 4.5 kB

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. Koryu.co.jp needs all CSS files to be minified and compressed as it can save up to 29.2 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (21%)

Requests Now

92

After Optimization

73

  • Images
  • JavaScript
  • CSS

The browser has sent 92 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Koryu. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

koryu.co.jp

koryu.co.jp

683 ms

www.koryu.co.jp

www.koryu.co.jp

1291 ms

index.css

index.css

345 ms

image_navigation.css

image_navigation.css

353 ms

style.css

style.css

353 ms

jquery-1.11.0.min.js

jquery-1.11.0.min.js

882 ms

jquery.Pc2Sp.js

jquery.Pc2Sp.js

373 ms

jquery-v1.7.2.js

jquery-v1.7.2.js

1071 ms

jquery.imageNavigation.js

jquery.imageNavigation.js

523 ms

temp-top.css

temp-top.css

699 ms

s_retargeting.js

s_retargeting.js

543 ms

ga.js

ga.js

161 ms

analytics.js

analytics.js

162 ms

tag.js

tag.js

162 ms

okc-logo.png

okc-logo.png

397 ms

img-tel.jpg

img-tel.jpg

224 ms

btn-shiryo.jpg

btn-shiryo.jpg

412 ms

btn-setsumeikai.jpg

btn-setsumeikai.jpg

220 ms

btn-counseling.jpg

btn-counseling.jpg

222 ms

btn-omitsumori.jpg

btn-omitsumori.jpg

219 ms

btn-otoiawase.jpg

btn-otoiawase.jpg

392 ms

link-btn.jpg

link-btn.jpg

387 ms

menu-shadow.jpg

menu-shadow.jpg

392 ms

menu-bar01.jpg

menu-bar01.jpg

396 ms

menu-bar02.jpg

menu-bar02.jpg

556 ms

menu-bar03.jpg

menu-bar03.jpg

732 ms

menu-bar04.jpg

menu-bar04.jpg

735 ms

menu-bar05.jpg

menu-bar05.jpg

576 ms

img-highschool.jpg

img-highschool.jpg

567 ms

img-college.jpg

img-college.jpg

593 ms

img-language.jpg

img-language.jpg

724 ms

img-wh.jpg

img-wh.jpg

739 ms

img-inturn.jpg

img-inturn.jpg

755 ms

imgnavi-highschool.jpg

imgnavi-highschool.jpg

1523 ms

imgnavi-college.jpg

imgnavi-college.jpg

1407 ms

imgnavi-language.jpg

imgnavi-language.jpg

1636 ms

imgnavi-wh.jpg

imgnavi-wh.jpg

1814 ms

imgnavi-inturn.jpg

imgnavi-inturn.jpg

1445 ms

bg-green.jpg

bg-green.jpg

935 ms

bn-shiryo.png

bn-shiryo.png

1342 ms

bn-counsel.png

bn-counsel.png

1531 ms

bg-navi01.jpg

bg-navi01.jpg

1575 ms

bg-navi02.jpg

bg-navi02.jpg

1616 ms

blog01.png

blog01.png

1706 ms

blog02.png

blog02.png

1713 ms

btn-fb.jpg

btn-fb.jpg

1743 ms

img-sub01.jpg

img-sub01.jpg

1787 ms

merit01.jpg

merit01.jpg

1810 ms

merit02.jpg

merit02.jpg

1915 ms

merit03.jpg

merit03.jpg

1829 ms

__utm.gif

__utm.gif

30 ms

tag

tag

8 ms

collect

collect

64 ms

collect

collect

26 ms

merit04.jpg

merit04.jpg

1748 ms

merit05.jpg

merit05.jpg

1757 ms

img-sub02.jpg

img-sub02.jpg

1899 ms

c-auk.jpg

c-auk.jpg

1896 ms

ga-audiences

ga-audiences

34 ms

c-otg.jpg

c-otg.jpg

1743 ms

c-nsw.jpg

c-nsw.jpg

1738 ms

c-mns.jpg

c-mns.jpg

1753 ms

c-grf.jpg

c-grf.jpg

1754 ms

c-acu.jpg

c-acu.jpg

1898 ms

img-sub03.jpg

img-sub03.jpg

1885 ms

bn-support.jpg

bn-support.jpg

1934 ms

bn-homestay.jpg

bn-homestay.jpg

1933 ms

bg-navi03.jpg

bg-navi03.jpg

1731 ms

green-line.jpg

green-line.jpg

1728 ms

news-highschool.jpg

news-highschool.jpg

1752 ms

news-griffith.jpg

news-griffith.jpg

1745 ms

news-truancy.jpg

news-truancy.jpg

1744 ms

news-college.jpg

news-college.jpg

1760 ms

news-toeic.jpg

news-toeic.jpg

1896 ms

news-ib.jpg

news-ib.jpg

1717 ms

news-award.jpg

news-award.jpg

1311 ms

news-seminar.jpg

news-seminar.jpg

1266 ms

infomation-box.jpg

infomation-box.jpg

1229 ms

bn-info.jpg

bn-info.jpg

1170 ms

bn-new.jpg

bn-new.jpg

1291 ms

bottom-bg.jpg

bottom-bg.jpg

1425 ms

box-shiryo.png

box-shiryo.png

1212 ms

box-counseling.png

box-counseling.png

1219 ms

box-seminar.png

box-seminar.png

1142 ms

box-estimate.png

box-estimate.png

1167 ms

box-contact.png

box-contact.png

1253 ms

bottombn-his.jpg

bottombn-his.jpg

1211 ms

bottombn-sta.jpg

bottombn-sta.jpg

1211 ms

bottombn-jaos.jpg

bottombn-jaos.jpg

1222 ms

bottombn-loan.jpg

bottombn-loan.jpg

1160 ms

img-highschool_on.jpg

img-highschool_on.jpg

1229 ms

img-college_on.jpg

img-college_on.jpg

1216 ms

img-language_on.jpg

img-language_on.jpg

1206 ms

img-wh_on.jpg

img-wh_on.jpg

1086 ms

img-inturn_on.jpg

img-inturn_on.jpg

1104 ms

ya.js

ya.js

345 ms

SEO Factors

koryu.co.jp SEO score

0

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Koryu.co.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Koryu.co.jp main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

koryu.co.jp

Open Graph description is not detected on the main page of Koryu. 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: