Report Summary

  • 42

    Performance

    Renders faster than
    61% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

sakushin.ac.jp

作新学院 - SAKUSHIN GAKUIN

Page Load Speed

7.8 sec in total

First Response

806 ms

Resources Loaded

6.7 sec

Page Rendered

256 ms

sakushin.ac.jp screenshot

About Website

Click here to check amazing SAKUSHIN content for Japan. Otherwise, check out these important facts you probably never knew about sakushin.ac.jp

作新学院の公式サイト。各種情報をご覧いただけます。

Visit sakushin.ac.jp

Key Findings

We analyzed Sakushin.ac.jp page load time and found that the first response time was 806 ms and then it took 7 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

sakushin.ac.jp performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value9.5 s

0/100

25%

SI (Speed Index)

Value9.9 s

10/100

10%

TBT (Total Blocking Time)

Value200 ms

89/100

30%

CLS (Cumulative Layout Shift)

Value0.128

82/100

15%

TTI (Time to Interactive)

Value11.9 s

16/100

10%

Network Requests Diagram

sakushin.ac.jp

806 ms

jquery-1.8.3.min.js

830 ms

jquery.min.js

848 ms

jquery.cookies.2.2.0.min.js

364 ms

jquery.mobile.customized.min.js

570 ms

Our browser made a total of 41 requests to load all elements on the main page. We found that all of those requests were addressed to Sakushin.ac.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Sakushin.ac.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 450.9 kB (21%)

Content Size

2.1 MB

After Optimization

1.6 MB

In fact, the total size of Sakushin.ac.jp main page is 2.1 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. 30% of websites need less resources to load. Images take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 18.2 kB

  • Original 23.1 kB
  • After minification 21.6 kB
  • After compression 5.0 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 18.2 kB or 79% of the original size.

Image Optimization

-13%

Potential reduce by 226.0 kB

  • Original 1.8 MB
  • After minification 1.6 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, SAKUSHIN needs image optimization as it can save up to 226.0 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 174.3 kB

  • Original 258.9 kB
  • After minification 254.2 kB
  • After compression 84.6 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 174.3 kB or 67% of the original size.

CSS Optimization

-88%

Potential reduce by 32.4 kB

  • Original 36.7 kB
  • After minification 31.2 kB
  • After compression 4.3 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. Sakushin.ac.jp needs all CSS files to be minified and compressed as it can save up to 32.4 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (40%)

Requests Now

40

After Optimization

24

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SAKUSHIN. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

sakushin.ac.jp accessibility score

68

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

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

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

High

ARIA IDs are not unique

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.

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

List items (<li>) are not contained within <ul> or <ol> parent elements.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

sakushin.ac.jp best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

sakushin.ac.jp SEO score

67

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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 doesn't use 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 Sakushin.ac.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 Sakushin.ac.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 SAKUSHIN. 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: