Tools & Wizards About Us
a-jis.com screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

a-jis.com

Aoba Japan International School - IB World School (K-G12) in Tokyo | AOBA Japan International School

Page Load Speed

7.1 sec in total

First Response

2.6 sec

Resources Loaded

4.1 sec

Page Rendered

330 ms

a-jis.com screenshot

About Website

Visit a-jis.com now to see the best up-to-date A Jis content and also check out these interesting facts you probably never knew about a-jis.com

AOBA Japan International School in Tokyo (K2–G12) nurtures future global leaders. 790 students, 46 nationalities, IB Continuum accredited since 1976.

Visit a-jis.com

Key Findings

We analyzed A-jis.com page load time and found that the first response time was 2.6 sec and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

a-jis.com performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value14.7 s

0/100

25%

SI (Speed Index)

Value13.5 s

2/100

10%

TBT (Total Blocking Time)

Value730 ms

40/100

30%

CLS (Cumulative Layout Shift)

Value0.042

99/100

15%

TTI (Time to Interactive)

Value14.7 s

8/100

10%

Network Requests Diagram

www.japaninternationalschool.com

2603 ms

css

25 ms

style.css

251 ms

omh1ogd.js

228 ms

language-selector.css

150 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original A-jis.com, 18% (12 requests) were made to Use.typekit.net and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Japaninternationalschool.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 540.1 kB (32%)

Content Size

1.7 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of A-jis.com main page is 1.7 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 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 49.1 kB

  • Original 59.0 kB
  • After minification 56.3 kB
  • After compression 9.9 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. 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 49.1 kB or 83% of the original size.

Image Optimization

-21%

Potential reduce by 262.7 kB

  • Original 1.3 MB
  • After minification 1.0 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. Obviously, A Jis needs image optimization as it can save up to 262.7 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-61%

Potential reduce by 137.6 kB

  • Original 224.4 kB
  • After minification 223.0 kB
  • After compression 86.8 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 137.6 kB or 61% of the original size.

CSS Optimization

-85%

Potential reduce by 90.7 kB

  • Original 106.5 kB
  • After minification 88.9 kB
  • After compression 15.8 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. A-jis.com needs all CSS files to be minified and compressed as it can save up to 90.7 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (31%)

Requests Now

55

After Optimization

38

  • Images
  • JavaScript
  • CSS

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of A Jis. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.japaninternationalschool.com

www.japaninternationalschool.com

2603 ms

css

css

25 ms

style.css

style.css

251 ms

omh1ogd.js

omh1ogd.js

228 ms

language-selector.css

language-selector.css

150 ms

colorbox.css

colorbox.css

149 ms

visual-form-builder.min.css

visual-form-builder.min.css

148 ms

vfb-custom-css.css

vfb-custom-css.css

143 ms

jquery.js

jquery.js

345 ms

jquery-migrate.min.js

jquery-migrate.min.js

213 ms

jquery.colorbox-min.js

jquery.colorbox-min.js

218 ms

jquery-colorbox-wrapper-min.js

jquery-colorbox-wrapper-min.js

218 ms

jquery-migrate-1.2.1.min.js

jquery-migrate-1.2.1.min.js

216 ms

jquery.carouFredSel-6.2.1-packed.js

jquery.carouFredSel-6.2.1-packed.js

423 ms

jquery.cookie.js

jquery.cookie.js

312 ms

comment-reply.min.js

comment-reply.min.js

309 ms

sitepress.js

sitepress.js

307 ms

www.japaninternationalschool.com

www.japaninternationalschool.com

208 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

176 ms

wrapper-bg.png

wrapper-bg.png

151 ms

header-bg.png

header-bg.png

151 ms

header-catch.png

header-catch.png

155 ms

ajis-logo-index.png

ajis-logo-index.png

152 ms

lang-menu.png

lang-menu.png

151 ms

main-menu.png

main-menu.png

154 ms

e-slide_01_v2.jpg

e-slide_01_v2.jpg

443 ms

e-slide_02.jpg

e-slide_02.jpg

442 ms

e-slide_03.jpg

e-slide_03.jpg

319 ms

e-slide_04.jpg

e-slide_04.jpg

318 ms

e-slide_05.jpg

e-slide_05.jpg

359 ms

e-slide_06.jpg

e-slide_06.jpg

443 ms

icon-admissions.png

icon-admissions.png

386 ms

icon-for-parents.png

icon-for-parents.png

385 ms

icon-for-alumni.png

icon-for-alumni.png

419 ms

icon-for-benefactors.png

icon-for-benefactors.png

451 ms

ib_news_main.jpg

ib_news_main.jpg

452 ms

ib_news_pyp.jpg

ib_news_pyp.jpg

490 ms

video-thumbnail.jpg

video-thumbnail.jpg

514 ms

creating_balance_thumb.jpg

creating_balance_thumb.jpg

512 ms

spring_carnival_thumb.jpg

spring_carnival_thumb.jpg

513 ms

unnamed.jpg

unnamed.jpg

520 ms

Untitled1.jpg

Untitled1.jpg

523 ms

DSC03377.jpg

DSC03377.jpg

561 ms

slider-arrows.png

slider-arrows.png

564 ms

picto-menu-bg.png

picto-menu-bg.png

566 ms

social-links.png

social-links.png

567 ms

logo-ibo-150904.png

logo-ibo-150904.png

571 ms

logo-jcis-150218.png

logo-jcis-150218.png

575 ms

logo-cois-150218.png

logo-cois-150218.png

645 ms

logo-neasc-150218.png

logo-neasc-150218.png

648 ms

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123 ms

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129 ms

analytics.js

analytics.js

82 ms

overlay.png

overlay.png

527 ms

border.png

border.png

526 ms

controls.png

controls.png

527 ms

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101 ms

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102 ms

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104 ms

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104 ms

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151 ms

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151 ms

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160 ms

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49gGe4yZBuu1JL16O_nPq3cMtNGh_xXjFp2mOAmzJAqffOHUggMdeMJ6Mk6g5gBfb2iRZeFKF2sKZQsyFhsK526aFhZcjQmRw2M3FhJtZebtFRmKwh4KjDwtwD6DwAZ8wcmywQSaZRjkwR9ajQqU5QI.woff

190 ms

p.gif

p.gif

188 ms

collect

collect

62 ms

Accessibility Review

a-jis.com accessibility score

88

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Best Practices

a-jis.com best practices score

75

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

Browser errors were logged to the console

SEO Factors

a-jis.com SEO score

99

Search Engine Optimization Advices

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 uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise A-jis.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that A-jis.com 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

a-jis.com

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