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)

Value5.6 s

6/100

10%

LCP (Largest Contentful Paint)

Value10.0 s

0/100

25%

SI (Speed Index)

Value9.0 s

14/100

10%

TBT (Total Blocking Time)

Value830 ms

35/100

30%

CLS (Cumulative Layout Shift)

Value0.471

18/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

miyama.ed.jp

1137 ms

import.css

340 ms

index1.css

377 ms

jquery.js

1302 ms

library.js

373 ms

Our browser made a total of 143 requests to load all elements on the main page. We found that 78% of them (112 requests) were addressed to the original Miyama.ed.jp, 8% (11 requests) were made to Apis.google.com and 3% (5 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.5 sec) belongs to the original domain Miyama.ed.jp.

Content Size

1.5 MB

After Optimization

954.2 kB

In fact, the total size of Miyama.ed.jp main page is 1.5 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. 70% of websites need less resources to load. Images take 738.1 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 29.9 kB

Original 40.1 kB
After minification 35.1 kB
After compression 10.2 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 5.1 kB, which is 13% 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 29.9 kB or 75% of the original size.

Image Optimization

-1%

Potential reduce by 8.0 kB

Original 738.1 kB
After minification 730.1 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

-63%

Potential reduce by 283.0 kB

Original 449.7 kB
After minification 443.9 kB
After compression 166.7 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 283.0 kB or 63% of the original size.

CSS Optimization

-83%

Potential reduce by 233.8 kB

Original 281.0 kB
After minification 267.6 kB
After compression 47.2 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 233.8 kB or 83% of the original size.

Requests Now

137

After Optimization

102

The browser has sent 137 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 21 to 1 for JavaScripts and from 8 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

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

index1.css

jquery.js

library.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

index1.css

jquery.js

library.js

heightLine.js

DD_belatedPNG.js

jquery-1.7.2.min.js

lightbox.js

lightbox.css

reset.css

base.css

layout.css

platform.js

ga.js

bg_main.jpg

logo.gif

bn_5day.gif

guide_shin28nen.gif

header_tab04_2.gif

header_tab03.gif

header_zai.jpg

header_tuu.jpg

logoarea_sinkosha.gif

logoarea_tenpen.gif

logoarea_gakuhishien.gif

text_course.gif

bg_green27.jpg

img_course01.gif

img_course02.gif

img_course03.gif

img_ossm.gif

img_sinsetu.gif

img_course04.gif

img_ryrt.gif

img_course05.gif

navi_about.jpg

navi_course.jpg

navi_guide.jpg

navi_guideline.jpg

navi_graduat.jpg

navi_faq.jpg

navi_access.jpg

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