Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

koukousei-douwa.jp

ガイダンス - ぼすとん簿記大学

Page Load Speed

4.4 sec in total

First Response

671 ms

Resources Loaded

3.5 sec

Page Rendered

285 ms

koukousei-douwa.jp screenshot

About Website

Click here to check amazing Koukousei Douwa content. Otherwise, check out these important facts you probably never knew about koukousei-douwa.jp

簿記・会計を中心に大学生向けに勉強のアドバイスをします。

Visit koukousei-douwa.jp

Key Findings

We analyzed Koukousei-douwa.jp page load time and found that the first response time was 671 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

koukousei-douwa.jp performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.4 s

2/100

10%

LCP (Largest Contentful Paint)

Value8.2 s

2/100

25%

SI (Speed Index)

Value11.1 s

6/100

10%

TBT (Total Blocking Time)

Value2,730 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

koukousei-douwa.jp

671 ms

koukousei-douwa.jp

1123 ms

js

50 ms

javascript;base64,CiAgd2luZG93LmRhdGFMYXllciA9IHdpbmRvdy5kYXRhTGF5ZXIgfHwgW107CiAgZnVuY3Rpb24gZ3RhZygpe2RhdGFMYXllci5wdXNoKGFyZ3VtZW50cyk7fQogIGd0YWcoJ2pzJywgbmV3IERhdGUoKSk7CgogIGd0YWcoJ2NvbmZpZycsICdVQS0xNDI0MDE4NjUtMScpOwo=

0 ms

jquery.min.js

31 ms

Our browser made a total of 36 requests to load all elements on the main page. We found that 44% of them (16 requests) were addressed to the original Koukousei-douwa.jp, 39% (14 requests) were made to and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Koukousei-douwa.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 505.4 kB (51%)

Content Size

985.8 kB

After Optimization

480.4 kB

In fact, the total size of Koukousei-douwa.jp main page is 985.8 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. 20% of websites need less resources to load. HTML takes 533.2 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 444.0 kB

  • Original 533.2 kB
  • After minification 533.1 kB
  • After compression 89.2 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. 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 444.0 kB or 83% of the original size.

Image Optimization

-1%

Potential reduce by 2.8 kB

  • Original 322.5 kB
  • After minification 319.8 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. Koukousei Douwa images are well optimized though.

JavaScript Optimization

-51%

Potential reduce by 58.5 kB

  • Original 115.7 kB
  • After minification 115.7 kB
  • After compression 57.2 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 58.5 kB or 51% of the original size.

CSS Optimization

-1%

Potential reduce by 166 B

  • Original 14.4 kB
  • After minification 14.4 kB
  • After compression 14.3 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. Koukousei-douwa.jp has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 5 (29%)

Requests Now

17

After Optimization

12

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Koukousei Douwa. 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 as a result speed up the page load time.

Accessibility Review

koukousei-douwa.jp accessibility score

98

Accessibility Issues

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.

Best Practices

koukousei-douwa.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

High

Page has valid source maps

SEO Factors

koukousei-douwa.jp SEO score

93

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

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

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 Koukousei-douwa.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 Koukousei-douwa.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 data is detected on the main page of Koukousei Douwa. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: