Tools & Wizards About Us
icu-h.ed.jp screenshot

Report Summary

  • 37

    Performance

    Renders faster than
    56% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 75

    SEO

    Google-friendlier than
    32% of websites

icu-h.ed.jp

ICUHS - 国際基督教大学高等学校

Page Load Speed

11.3 sec in total

First Response

563 ms

Resources Loaded

9.7 sec

Page Rendered

1 sec

icu-h.ed.jp screenshot

About Website

Click here to check amazing Icu H content for Japan. Otherwise, check out these important facts you probably never knew about icu-h.ed.jp

ICU高校（国際基督教大学高等学校）のオフィシャルウェブサイト。入学試験・学校説明会に関する情報や、卒業後の進路、学生生活、授業内容などについて紹介しています。

Visit icu-h.ed.jp

Key Findings

We analyzed Icu-h.ed.jp page load time and found that the first response time was 563 ms and then it took 10.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

icu-h.ed.jp performance score

37

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value18.7 s

0/100

25%

SI (Speed Index)

Value12.0 s

4/100

10%

TBT (Total Blocking Time)

Value450 ms

62/100

30%

CLS (Cumulative Layout Shift)

Value0.009

100/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

icu-h.ed.jp

563 ms

icu-h.ed.jp

1310 ms

base.css

923 ms

contents.css

1301 ms

jquery-3.4.1.min.js

1121 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 97% of them (59 requests) were addressed to the original Icu-h.ed.jp, 2% (1 request) were made to Cdnjs.cloudflare.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (6.9 sec) belongs to the original domain Icu-h.ed.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 580.6 kB (13%)

Content Size

4.5 MB

After Optimization

3.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Icu-h.ed.jp main page is 4.5 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. 55% of websites need less resources to load. Images take 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 46.0 kB

  • Original 55.1 kB
  • After minification 45.6 kB
  • After compression 9.0 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 9.5 kB, which is 17% 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 46.0 kB or 84% of the original size.

Image Optimization

-6%

Potential reduce by 226.0 kB

  • Original 4.1 MB
  • After minification 3.8 MB

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. Icu H images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 87.5 kB

  • Original 128.5 kB
  • After minification 121.9 kB
  • After compression 41.1 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 87.5 kB or 68% of the original size.

CSS Optimization

-88%

Potential reduce by 221.1 kB

  • Original 252.4 kB
  • After minification 251.1 kB
  • After compression 31.3 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. Icu-h.ed.jp needs all CSS files to be minified and compressed as it can save up to 221.1 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (19%)

Requests Now

57

After Optimization

46

  • Images
  • JavaScript
  • CSS

The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Icu H. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

icu-h.ed.jp

icu-h.ed.jp

563 ms

icu-h.ed.jp

icu-h.ed.jp

1310 ms

base.css

base.css

923 ms

contents.css

contents.css

1301 ms

jquery-3.4.1.min.js

jquery-3.4.1.min.js

1121 ms

heightLine.js

heightLine.js

572 ms

navigation-drawer.js

navigation-drawer.js

572 ms

jquery.cycle2.min.js

jquery.cycle2.min.js

769 ms

config.js

config.js

763 ms

ofi.js

ofi.js

27 ms

gtm.js

gtm.js

146 ms

icu-h.png

icu-h.png

451 ms

icu-h-sp.png

icu-h-sp.png

272 ms

i_arrow-down.png

i_arrow-down.png

266 ms

hd_donation.png

hd_donation.png

267 ms

hd_access.png

hd_access.png

270 ms

hd_mail.png

hd_mail.png

271 ms

top_topimage06long.jpg

top_topimage06long.jpg

1194 ms

top_topimage03longX.jpg

top_topimage03longX.jpg

1759 ms

top_topimage04longX.jpg

top_topimage04longX.jpg

1599 ms

top_topimage05longX.jpg

top_topimage05longX.jpg

1789 ms

top_topimage02Xlong.jpg

top_topimage02Xlong.jpg

2192 ms

ICUHS.gif

ICUHS.gif

6863 ms

bnr_donation.jpg

bnr_donation.jpg

1380 ms

i_arrow2.png

i_arrow2.png

1566 ms

i_arrow2-white.png

i_arrow2-white.png

1752 ms

top-news_nav.png

top-news_nav.png

1790 ms

top-info_bg.jpg

top-info_bg.jpg

2124 ms

4f1e63bad80c6486b73824c9dbdc7d4f68d629af.jpg

4f1e63bad80c6486b73824c9dbdc7d4f68d629af.jpg

2132 ms

66d6a7dd1928757143873ac7e50ab9bbc94c21a5.jpg

66d6a7dd1928757143873ac7e50ab9bbc94c21a5.jpg

1980 ms

e57f1ed551ee75247065cc10e4107ad12bc30808.jpg

e57f1ed551ee75247065cc10e4107ad12bc30808.jpg

2170 ms

i_link-out-white.png

i_link-out-white.png

2171 ms

7def3de11e61d9a8fc8e45f31c9aaf9695451954-thumb-500xauto-6327.png

7def3de11e61d9a8fc8e45f31c9aaf9695451954-thumb-500xauto-6327.png

2495 ms

ef55a76932c652fa24fe42e63b660b304cb73d03-thumb-500xauto-6273.png

ef55a76932c652fa24fe42e63b660b304cb73d03-thumb-500xauto-6273.png

2505 ms

692a82b7848c0b9918074079404395b7899897a3-thumb-500xauto-6271.jpg

692a82b7848c0b9918074079404395b7899897a3-thumb-500xauto-6271.jpg

2360 ms

top_whichcountry_bg.gif

top_whichcountry_bg.gif

2361 ms

top-whichcountry_title.png

top-whichcountry_title.png

2383 ms

top-whichcountry_title_sp.png

top-whichcountry_title_sp.png

2551 ms

top-whichcountry_img.svg

top-whichcountry_img.svg

2742 ms

top-pickup_img01.jpg

top-pickup_img01.jpg

2576 ms

top-pickup_img02.jpg

top-pickup_img02.jpg

2681 ms

top-pickup_img03.jpg

top-pickup_img03.jpg

2692 ms

top-pickup_img04.jpg

top-pickup_img04.jpg

2750 ms

top-pickup_img05.jpg

top-pickup_img05.jpg

2768 ms

top-pickup_img06.jpg

top-pickup_img06.jpg

2868 ms

top-pickup_img07.jpg

top-pickup_img07.jpg

2880 ms

top-pickup_img08.jpg

top-pickup_img08.jpg

2836 ms

SugoProClassic-Italic.ttf

SugoProClassic-Italic.ttf

2861 ms

SugoProClassic-Regular.ttf

SugoProClassic-Regular.ttf

3081 ms

bnr_schoolnow.png

bnr_schoolnow.png

2787 ms

bnr_hodgepodge.png

bnr_hodgepodge.png

2801 ms

bnr_globecinema.png

bnr_globecinema.png

2859 ms

bnr_infirmary.png

bnr_infirmary.png

2794 ms

bnr_webopac.png

bnr_webopac.png

2065 ms

icu_dosokai.png

icu_dosokai.png

1938 ms

bnr_student-council.png

bnr_student-council.png

1753 ms

glplink.jpg

glplink.jpg

1830 ms

i_pagetop.png

i_pagetop.png

1693 ms

ft_bg.jpg

ft_bg.jpg

1939 ms

ft_jasrac.png

ft_jasrac.png

1719 ms

ft_icuhs.png

ft_icuhs.png

1749 ms

Accessibility Review

icu-h.ed.jp accessibility score

71

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

icu-h.ed.jp best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

icu-h.ed.jp SEO score

75

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Icu-h.ed.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 Icu-h.ed.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

icu-h.ed.jp

Open Graph data is detected on the main page of Icu H. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: