Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

juku.rui.ne.jp

類塾|大阪の学習塾

Page Load Speed

7.5 sec in total

First Response

1.1 sec

Resources Loaded

6.1 sec

Page Rendered

263 ms

juku.rui.ne.jp screenshot

About Website

Visit juku.rui.ne.jp now to see the best up-to-date Juku Rui content for Japan and also check out these interesting facts you probably never knew about juku.rui.ne.jp

深く考える面白さを感じ、自ら学べるようになる過程を成功体験としながら、受験を突破してゆく。年中~高3まで通塾とオンラインが学べる集団塾。身体と心を動かす体験を通じて、未来を変えるプログラムを提供。

Visit juku.rui.ne.jp

Key Findings

We analyzed Juku.rui.ne.jp page load time and found that the first response time was 1.1 sec and then it took 6.3 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

juku.rui.ne.jp performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

5/100

10%

LCP (Largest Contentful Paint)

Value16.6 s

0/100

25%

SI (Speed Index)

Value18.5 s

0/100

10%

TBT (Total Blocking Time)

Value1,100 ms

23/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value11.4 s

19/100

10%

Network Requests Diagram

juku.rui.ne.jp

1128 ms

import.css

342 ms

re_unique.css

550 ms

flexslider.css

376 ms

jquery-1.10.2.min.js

1369 ms

Our browser made a total of 99 requests to load all elements on the main page. We found that 73% of them (72 requests) were addressed to the original Juku.rui.ne.jp, 4% (4 requests) were made to Tag.ladsp.com and 2% (2 requests) were made to Ac.ebis.ne.jp. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Juku.rui.ne.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 208.7 kB (15%)

Content Size

1.4 MB

After Optimization

1.2 MB

In fact, the total size of Juku.rui.ne.jp main page is 1.4 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. 25% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 33.3 kB

  • Original 40.9 kB
  • After minification 29.4 kB
  • After compression 7.6 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 11.4 kB, which is 28% 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 33.3 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 19.1 kB

  • Original 1.1 MB
  • After minification 1.1 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. Juku Rui images are well optimized though.

JavaScript Optimization

-54%

Potential reduce by 107.8 kB

  • Original 198.5 kB
  • After minification 194.1 kB
  • After compression 90.7 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 107.8 kB or 54% of the original size.

CSS Optimization

-81%

Potential reduce by 48.5 kB

  • Original 60.0 kB
  • After minification 44.8 kB
  • After compression 11.6 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. Juku.rui.ne.jp needs all CSS files to be minified and compressed as it can save up to 48.5 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 45 (48%)

Requests Now

94

After Optimization

49

The browser has sent 94 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Juku Rui. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

juku.rui.ne.jp accessibility score

95

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.

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

Links do not have a discernible name

Best Practices

juku.rui.ne.jp best practices score

83

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

Browser errors were logged to the console

SEO Factors

juku.rui.ne.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

    SHIFT_JIS

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Juku.rui.ne.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 Juku.rui.ne.jp main page’s claimed encoding is shift_jis. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Juku Rui. 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: