Access stepup-school.net. 通信制高校を探すなら「通信制高校があるじゃん!」

name

value

score

weighting

FCP (First Contentful Paint)

Value7.0 s

1/100

10%

LCP (Largest Contentful Paint)

Value14.2 s

0/100

25%

SI (Speed Index)

Value17.5 s

0/100

10%

TBT (Total Blocking Time)

Value300 ms

78/100

30%

CLS (Cumulative Layout Shift)

Value0.837

4/100

15%

TTI (Time to Interactive)

Value18.3 s

3/100

10%

stepup-school.net

547 ms

www.stepup-school.net

1901 ms

style.css

506 ms

common.css

673 ms

all.css

47 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 87% of them (75 requests) were addressed to the original Stepup-school.net, 3% (3 requests) were made to Use.fontawesome.com and 3% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (8.2 sec) belongs to the original domain Stepup-school.net.

Content Size

4.1 MB

After Optimization

3.5 MB

In fact, the total size of Stepup-school.net main page is 4.1 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. 50% of websites need less resources to load. Images take 3.9 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 37.6 kB

Original 46.3 kB
After minification 41.1 kB
After compression 8.7 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 5.2 kB, which is 11% 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 37.6 kB or 81% of the original size.

Image Optimization

-12%

Potential reduce by 491.6 kB

Original 3.9 MB
After minification 3.5 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, Stepup School needs image optimization as it can save up to 491.6 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-18%

Potential reduce by 12.6 kB

Original 69.1 kB
After minification 69.0 kB
After compression 56.5 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 12.6 kB or 18% of the original size.

CSS Optimization

-32%

Potential reduce by 14.3 kB

Original 45.2 kB
After minification 45.0 kB
After compression 30.9 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. Stepup-school.net needs all CSS files to be minified and compressed as it can save up to 14.3 kB or 32% of the original size.

Requests Now

After Optimization

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stepup School. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 18 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

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

[role]s are not contained by their required parent element

High

ARIA toggle fields do not have accessible names

High

[aria-*] attributes do not have valid values

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 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

High

Serves images with low resolution

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

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 Stepup-school.net 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 Stepup-school.net 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

stepup-school.net

Open Graph description is not detected on the main page of Stepup School. 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

通信制高校を探すなら「通信制高校があるじゃん!」

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

stepup-school.net

www.stepup-school.net

style.css

common.css

all.css

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

stepup-school.net

www.stepup-school.net

style.css

common.css

all.css

magnific-popup.css

slick.css

slick-theme.css

slicknav.css

easy-responsive-tabs.css

jquery.min.js

modernizr.min.js

respond.min.js

slick.min.js

jquery.slicknav.min.js

heightLine.js

easyResponsiveTabs.js

jquery.magnific-popup.js

jquery.easing.1.3.js

area.js

js

js

append.js

reset.css

responsive.gs.12col.css

notosansjapanese.css

css

css

bloc.css

btn.css

forms.css

append.css

feature_challengedlife.css

tag.js

logo.jpg

sns_01.jpg

sns_02.jpg

sns_03.jpg

sns_04.jpg

sns_05.jpg

icons_01.jpg

icons_02.jpg

icons_03.jpg