Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

benesse.co.jp

Benesse|ベネッセグループ

Page Load Speed

12.3 sec in total

First Response

408 ms

Resources Loaded

11.6 sec

Page Rendered

279 ms

benesse.co.jp screenshot

About Website

Click here to check amazing Benesse content for Japan. Otherwise, check out these important facts you probably never knew about benesse.co.jp

幼児~高校生向け通信教育、大学・社会人向け動画学習サービスをはじめとする教育、育児、生活、語学・グローバル人材教育、シニア・介護の領域で展開する、ベネッセグループの商品・サービスをご紹介いたします。

Visit benesse.co.jp

Key Findings

We analyzed Benesse.co.jp page load time and found that the first response time was 408 ms and then it took 11.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

benesse.co.jp performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.2 s

1/100

10%

LCP (Largest Contentful Paint)

Value36.4 s

0/100

25%

SI (Speed Index)

Value31.9 s

0/100

10%

TBT (Total Blocking Time)

Value2,860 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value57.3 s

0/100

10%

Network Requests Diagram

benesse.co.jp

408 ms

www.benesse.co.jp

1270 ms

main.css

1521 ms

jquery-1.11.2.min.js

1341 ms

jquery.easing.min.js

506 ms

Our browser made a total of 154 requests to load all elements on the main page. We found that 58% of them (89 requests) were addressed to the original Benesse.co.jp, 11% (17 requests) were made to Googleads.g.doubleclick.net and 11% (17 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (4.7 sec) belongs to the original domain Benesse.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.6 MB (33%)

Content Size

7.7 MB

After Optimization

5.2 MB

In fact, the total size of Benesse.co.jp main page is 7.7 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. 45% of websites need less resources to load. Images take 6.0 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 34.2 kB

  • Original 44.0 kB
  • After minification 39.6 kB
  • After compression 9.7 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. 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 34.2 kB or 78% of the original size.

Image Optimization

-20%

Potential reduce by 1.2 MB

  • Original 6.0 MB
  • After minification 4.8 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, Benesse needs image optimization as it can save up to 1.2 MB or 20% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 729.2 kB

  • Original 1.1 MB
  • After minification 939.3 kB
  • After compression 325.5 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 729.2 kB or 69% of the original size.

CSS Optimization

-90%

Potential reduce by 578.3 kB

  • Original 644.3 kB
  • After minification 342.5 kB
  • After compression 66.0 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. Benesse.co.jp needs all CSS files to be minified and compressed as it can save up to 578.3 kB or 90% of the original size.

Requests Breakdown

Number of requests can be reduced by 81 (60%)

Requests Now

135

After Optimization

54

The browser has sent 135 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Benesse. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

benesse.co.jp accessibility score

89

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

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

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

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

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

Best Practices

benesse.co.jp best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

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

benesse.co.jp SEO score

90

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

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