Tools & Wizards About Us

Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 49

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

miyama.ed.jp

京都美山高等学校　/　京都の通信制・単位制　/　大阪・滋賀・奈良・兵庫・福井からも入学できる通信制高校

Page Load Speed

7.2 sec in total

First Response

888 ms

Resources Loaded

5.9 sec

Page Rendered

375 ms

About Website

Visit miyama.ed.jp now to see the best up-to-date Miyama content and also check out these interesting facts you probably never knew about miyama.ed.jp

京都の通信制「京都美山高等学校」です。不登校・ひきこもり支援の単位制･通信制高校。[インターネットを利用した在宅学習]と[年5回程度のスクーリング]で普通科高校卒業ができます。募集区域は、京都・大阪・滋賀・奈良・兵庫・福井。

Visit miyama.ed.jp

Key Findings

We analyzed Miyama.ed.jp page load time and found that the first response time was 888 ms and then it took 6.3 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

miyama.ed.jp performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.7 s

2/100

10%

LCP (Largest Contentful Paint)

Value16.5 s

0/100

25%

SI (Speed Index)

Value23.6 s

0/100

10%

TBT (Total Blocking Time)

Value660 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.418

23/100

15%

TTI (Time to Interactive)

Value15.6 s

6/100

10%

Network Requests Diagram

miyama.ed.jp

888 ms

import.css

564 ms

index6.css

460 ms

js

88 ms

sdk.js

29 ms

Our browser made a total of 119 requests to load all elements on the main page. We found that 82% of them (98 requests) were addressed to the original Miyama.ed.jp, 5% (6 requests) were made to Youtube.com and 3% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Miyama.ed.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 167.6 kB (18%)

Content Size

949.9 kB

After Optimization

782.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Miyama.ed.jp main page is 949.9 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 513.8 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 56.0 kB

  • Original 65.9 kB
  • After minification 53.8 kB
  • After compression 10.0 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 12.1 kB, which is 18% 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 56.0 kB or 85% of the original size.

Image Optimization

-1%

Potential reduce by 6.7 kB

  • Original 513.8 kB
  • After minification 507.1 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. Miyama images are well optimized though.

JavaScript Optimization

-27%

Potential reduce by 75.1 kB

  • Original 275.6 kB
  • After minification 272.9 kB
  • After compression 200.6 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 75.1 kB or 27% of the original size.

CSS Optimization

-32%

Potential reduce by 29.9 kB

  • Original 94.5 kB
  • After minification 81.7 kB
  • After compression 64.7 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. Miyama.ed.jp needs all CSS files to be minified and compressed as it can save up to 29.9 kB or 32% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (21%)

Requests Now

116

After Optimization

92

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 116 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Miyama. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

miyama.ed.jp accessibility score

49

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

[role]s do not have all required [aria-*] attributes

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.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

miyama.ed.jp 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

miyama.ed.jp SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

robots.txt is not valid

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 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 Miyama.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 Miyama.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

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