Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

cseltd.co.jp

株式会社シー・エス・イー|ミライのこどもに安全で、豊かな、ワクワクするデジタル社会を。 – Official Site CSE

Page Load Speed

2.1 sec in total

First Response

512 ms

Resources Loaded

1.5 sec

Page Rendered

68 ms

cseltd.co.jp screenshot

About Website

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

CSEは、お客様のデジタル資産を「創る」⇒「つなぐ」⇒「支える」⇒「活かす」お手伝いをして、お客様や社会の課題解決につながるような、お役に立てる情報を提供します。お客様やパートナー様と『協創』(協調して創る)して先進技術を取り入れながら、ミライのデジタル社会を創造します。

Visit cseltd.co.jp

Key Findings

We analyzed Cseltd.co.jp page load time and found that the first response time was 512 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

cseltd.co.jp performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

18/100

10%

LCP (Largest Contentful Paint)

Value42.4 s

0/100

25%

SI (Speed Index)

Value7.6 s

25/100

10%

TBT (Total Blocking Time)

Value910 ms

31/100

30%

CLS (Cumulative Layout Shift)

Value0.031

100/100

15%

TTI (Time to Interactive)

Value11.0 s

20/100

10%

Network Requests Diagram

cseltd.co.jp

512 ms

index.css

302 ms

renew.css

658 ms

jquery.js

348 ms

share.js

349 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that all of those requests were addressed to Cseltd.co.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (658 ms) belongs to the original domain Cseltd.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 29.2 kB (52%)

Content Size

56.7 kB

After Optimization

27.4 kB

In fact, the total size of Cseltd.co.jp main page is 56.7 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. 15% of websites need less resources to load. CSS take 32.6 kB which makes up the majority of the site volume.

HTML Optimization

-59%

Potential reduce by 1.7 kB

  • Original 3.0 kB
  • After minification 2.7 kB
  • After compression 1.2 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 1.7 kB or 59% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 21.1 kB
  • After minification 21.1 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. CSE Ltd images are well optimized though.

CSS Optimization

-84%

Potential reduce by 27.5 kB

  • Original 32.6 kB
  • After minification 20.2 kB
  • After compression 5.1 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. Cseltd.co.jp needs all CSS files to be minified and compressed as it can save up to 27.5 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (50%)

Requests Now

8

After Optimization

4

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CSE Ltd. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

cseltd.co.jp accessibility score

92

Accessibility Issues

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

cseltd.co.jp best practices score

75

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

cseltd.co.jp SEO score

84

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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 Cseltd.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 Cseltd.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 description is not detected on the main page of CSE Ltd. 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: