Access 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

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%

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.

Content Size

949.9 kB

After Optimization

782.3 kB

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 Now

116

After Optimization

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.

Accessibility Issues

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.

High

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

These are opportunities to improve the legibility of your content.

High

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

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

High

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

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

High

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

These items highlight common accessibility best practices.

High

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

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

robots.txt is not valid

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

High

Image elements do not have [alt] attributes

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/).

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

miyama.ed.jp

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:

Report Summary

Performance

Accessibility

Best Practices

SEO

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

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

miyama.ed.jp

import.css

index6.css

js

sdk.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

miyama.ed.jp

import.css

index6.css

js

sdk.js

sdk.js

jquery.js

library.js

heightLine.js

DD_belatedPNG.js

jquery-2.2.4.min.js

gsc.js

js

js

sdk.js

navi.js

movie_window.js

footer2.js

reset.css

base.css

layout.css

bg_main.jpg

logo.gif

bn_5day2.gif

header_tab04_2_2.gif

header_tab03.gif

header_zai_2024_01.jpg

header_tuu.fw_2024_01.fw.jpg

bg_main.jpg

bg_mainimage2024_02.jpg

top_kayo.gif

telephoneD22.gif

bg_green27.jpg

img_course01.gif

arrow_main.gif

img_course03_2.gif

bg_mainvisual.jpg

rei6_hennyuusei_banner.gif

tit_read2.jpg

tit_news.gif

img_dotline.gif

transfer.gif

admission.gif

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