Tools & Wizards About Us
teikyo.ed.jp screenshot

Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 96

    SEO

    Google-friendlier than
    91% of websites

teikyo.ed.jp

帝京大学系属 帝京中学校・高等学校

Page Load Speed

9.5 sec in total

First Response

926 ms

Resources Loaded

8.3 sec

Page Rendered

208 ms

teikyo.ed.jp screenshot

About Website

Welcome to teikyo.ed.jp homepage info - get ready to check Teikyo best content for Japan right away, or after learning these important things about teikyo.ed.jp

帝京大学系属 帝京中学校・高等学校 公式サイト

Visit teikyo.ed.jp

Key Findings

We analyzed Teikyo.ed.jp page load time and found that the first response time was 926 ms and then it took 8.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

teikyo.ed.jp performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value20.3 s

0/100

25%

SI (Speed Index)

Value21.5 s

0/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.357

30/100

15%

TTI (Time to Interactive)

Value14.9 s

8/100

10%

Network Requests Diagram

teikyo.ed.jp

926 ms

import_index.css

335 ms

jquery-1.7.2.min.js

1008 ms

jquery.rollover.js

343 ms

jquery.page-scroller.js

530 ms

Our browser made a total of 81 requests to load all elements on the main page. We found that 98% of them (79 requests) were addressed to the original Teikyo.ed.jp, 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (4 sec) belongs to the original domain Teikyo.ed.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 186.2 kB (15%)

Content Size

1.2 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Teikyo.ed.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. 20% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 14.7 kB

  • Original 19.3 kB
  • After minification 16.1 kB
  • After compression 4.7 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 3.2 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 14.7 kB or 76% of the original size.

Image Optimization

-3%

Potential reduce by 27.1 kB

  • Original 1.0 MB
  • After minification 979.1 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. Teikyo images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 120.4 kB

  • Original 188.0 kB
  • After minification 181.1 kB
  • After compression 67.6 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 120.4 kB or 64% of the original size.

CSS Optimization

-80%

Potential reduce by 24.0 kB

  • Original 29.8 kB
  • After minification 22.0 kB
  • After compression 5.9 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. Teikyo.ed.jp needs all CSS files to be minified and compressed as it can save up to 24.0 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (33%)

Requests Now

80

After Optimization

54

  • Images
  • JavaScript
  • CSS

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Teikyo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

teikyo.ed.jp

teikyo.ed.jp

926 ms

import_index.css

import_index.css

335 ms

jquery-1.7.2.min.js

jquery-1.7.2.min.js

1008 ms

jquery.rollover.js

jquery.rollover.js

343 ms

jquery.page-scroller.js

jquery.page-scroller.js

530 ms

heightLine.js

heightLine.js

369 ms

jquery.mousewheel-3.0.6.pack.js

jquery.mousewheel-3.0.6.pack.js

669 ms

jquery.fancybox.css

jquery.fancybox.css

832 ms

jquery.fancybox.pack.js

jquery.fancybox.pack.js

1098 ms

jquery.innerfade.js

jquery.innerfade.js

877 ms

common.css

common.css

728 ms

parts.css

parts.css

1037 ms

index.css

index.css

837 ms

analytics.js

analytics.js

70 ms

contents_bg.gif

contents_bg.gif

722 ms

head_logo.gif

head_logo.gif

480 ms

head_nav_bg.gif

head_nav_bg.gif

331 ms

head_nav01.png

head_nav01.png

336 ms

head_nav01_on.png

head_nav01_on.png

337 ms

head_nav02.png

head_nav02.png

346 ms

head_nav02_on.png

head_nav02_on.png

664 ms

head_nav03.png

head_nav03.png

680 ms

head_nav03_on.png

head_nav03_on.png

689 ms

head_nav04.png

head_nav04.png

705 ms

head_nav04_on.png

head_nav04_on.png

824 ms

head_nav05.png

head_nav05.png

998 ms

head_nav05_on.png

head_nav05_on.png

1016 ms

gnav_bg.png

gnav_bg.png

1356 ms

gnav01.png

gnav01.png

1197 ms

gnav02.png

gnav02.png

1231 ms

gnav03.png

gnav03.png

1324 ms

gnav04.png

gnav04.png

1330 ms

gnav05.png

gnav05.png

1344 ms

gnav06.png

gnav06.png

1549 ms

gnav07.png

gnav07.png

1586 ms

mainvidual_bg.gif

mainvidual_bg.gif

1660 ms

topimage01_01.jpg

topimage01_01.jpg

2701 ms

topimage01_02.jpg

topimage01_02.jpg

2516 ms

topimage01_03.jpg

topimage01_03.jpg

2705 ms

topimage_new2014.jpg

topimage_new2014.jpg

2387 ms

bnr_jrsubject.jpg

bnr_jrsubject.jpg

2383 ms

side_top_bg.gif

side_top_bg.gif

2296 ms

info_bg.gif

info_bg.gif

2630 ms

hlv1_line.gif

hlv1_line.gif

2727 ms

blt_arr01.gif

blt_arr01.gif

2738 ms

head01.gif

head01.gif

2877 ms

btn_list.gif

btn_list.gif

2990 ms

blt_arr02.gif

blt_arr02.gif

3025 ms

dotline01.gif

dotline01.gif

3056 ms

iconew.gif

iconew.gif

3076 ms

collect

collect

56 ms

bnr_top_bg.gif

bnr_top_bg.gif

2768 ms

bnr_li_bg.gif

bnr_li_bg.gif

2895 ms

bnr_top_jrsyutugan.jpg

bnr_top_jrsyutugan.jpg

3333 ms

bnr_top02.jpg

bnr_top02.jpg

3413 ms

bnr_top03.jpg

bnr_top03.jpg

3275 ms

bnr_top_antibullying.jpg

bnr_top_antibullying.jpg

3146 ms

bnr_top_recruite.gif

bnr_top_recruite.gif

2812 ms

side_h_bg.gif

side_h_bg.gif

2908 ms

side_bnr_bg.gif

side_bnr_bg.gif

3136 ms

side_title.png

side_title.png

3572 ms

lside_bnr01_j.jpg

lside_bnr01_j.jpg

3535 ms

lside_bnr01_s.jpg

lside_bnr01_s.jpg

3411 ms

lside_bnr03.jpg

lside_bnr03.jpg

3399 ms

lside_bnr07.jpg

lside_bnr07.jpg

3271 ms

lside_bnr05.jpg

lside_bnr05.jpg

3311 ms

foot_logo.gif

foot_logo.gif

3285 ms

blt_arr03.gif

blt_arr03.gif

3363 ms

topimage_new2014_on.jpg

topimage_new2014_on.jpg

3869 ms

bnr_jrsubject_on.jpg

bnr_jrsubject_on.jpg

3956 ms

btn_list_on.gif

btn_list_on.gif

3240 ms

bnr_top_jrsyutugan_on.jpg

bnr_top_jrsyutugan_on.jpg

3697 ms

bnr_top02_on.jpg

bnr_top02_on.jpg

3717 ms

bnr_top03_on.jpg

bnr_top03_on.jpg

3084 ms

bnr_top_antibullying_on.jpg

bnr_top_antibullying_on.jpg

3193 ms

bnr_top_recruite_on.gif

bnr_top_recruite_on.gif

3243 ms

lside_bnr01_j_on.jpg

lside_bnr01_j_on.jpg

3534 ms

lside_bnr01_s_on.jpg

lside_bnr01_s_on.jpg

3449 ms

lside_bnr03_on.jpg

lside_bnr03_on.jpg

3423 ms

lside_bnr07_on.jpg

lside_bnr07_on.jpg

3405 ms

lside_bnr05_on.jpg

lside_bnr05_on.jpg

3540 ms

Accessibility Review

teikyo.ed.jp accessibility score

93

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

teikyo.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

SEO Factors

teikyo.ed.jp SEO score

96

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

    JA

  • Language Claimed

    JA

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Teikyo.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 Teikyo.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

teikyo.ed.jp

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