Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 75% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

jissenjyuku.jp

実践塾シェアクラブ|2007年から続く平野友朗主宰の起業・経営ノウハウ提供サービス

Page Load Speed

4.3 sec in total

First Response

1.1 sec

Resources Loaded

2.9 sec

Page Rendered

253 ms

jissenjyuku.jp screenshot

About Website

Welcome to jissenjyuku.jp homepage info - get ready to check Jissenjyuku best content for Japan right away, or after learning these important things about jissenjyuku.jp

ビジネス実践塾は、今年で6年目。現在の会員数は約350名、幅広い業種・年齢層・経営ステージの方が参加しています。

Visit jissenjyuku.jp

Key Findings

We analyzed Jissenjyuku.jp page load time and found that the first response time was 1.1 sec and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

jissenjyuku.jp performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

29/100

10%

LCP (Largest Contentful Paint)

Value14.7 s

0/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.208

60/100

15%

TTI (Time to Interactive)

Value11.1 s

20/100

10%

Network Requests Diagram

jissenjyuku.jp

1099 ms

jquery.min.js

8 ms

bj_style.css

810 ms

reset.css

350 ms

analytics.js

376 ms

Our browser made a total of 39 requests to load all elements on the main page. We found that 67% of them (26 requests) were addressed to the original Jissenjyuku.jp, 8% (3 requests) were made to Google-analytics.com and 5% (2 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Jissenjyuku.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 120.3 kB (19%)

Content Size

649.7 kB

After Optimization

529.4 kB

In fact, the total size of Jissenjyuku.jp main page is 649.7 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. Images take 534.9 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 17.3 kB

  • Original 24.3 kB
  • After minification 20.8 kB
  • After compression 7.0 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 3.5 kB, which is 14% 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 17.3 kB or 71% of the original size.

Image Optimization

-7%

Potential reduce by 39.7 kB

  • Original 534.9 kB
  • After minification 495.2 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. Jissenjyuku images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 32.8 kB

  • Original 55.1 kB
  • After minification 54.9 kB
  • After compression 22.3 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 32.8 kB or 60% of the original size.

CSS Optimization

-86%

Potential reduce by 30.5 kB

  • Original 35.5 kB
  • After minification 27.6 kB
  • After compression 5.0 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. Jissenjyuku.jp needs all CSS files to be minified and compressed as it can save up to 30.5 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (31%)

Requests Now

35

After Optimization

24

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jissenjyuku. 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

jissenjyuku.jp accessibility score

90

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.

Internationalization and localization

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

Impact

Issue

High

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

Best Practices

jissenjyuku.jp best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

jissenjyuku.jp SEO score

97

Search Engine Optimization Advices

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

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 Jissenjyuku.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 Jissenjyuku.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 Jissenjyuku. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: