Report Summary

  • 57

    Performance

    Renders faster than
    74% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

kagiken.co.jp

株式会社科学技術研究所のwebページです。 – 電磁波解析ソフトKeyFDTD/熱流体解析ソフトKeyFlowの開発や受託解析など

Page Load Speed

7.1 sec in total

First Response

1.4 sec

Resources Loaded

5.2 sec

Page Rendered

476 ms

kagiken.co.jp screenshot

About Website

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

株式会社科学技術研究所は、科学技術系ソフトウェアの開発・販売・技術コンサルタントをメイン業務としている会社です。他にコンテンツ制作業務も行っています。

Visit kagiken.co.jp

Key Findings

We analyzed Kagiken.co.jp page load time and found that the first response time was 1.4 sec and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

kagiken.co.jp performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value12.7 s

3/100

10%

TBT (Total Blocking Time)

Value190 ms

91/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value5.8 s

67/100

10%

Network Requests Diagram

kagiken.co.jp

1356 ms

stylesheet0.css

1049 ms

userAgent.js

342 ms

logo_normal_100.gif

180 ms

animationhamburg.gif

1546 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that all of those requests were addressed to Kagiken.co.jp and no external sources were called. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Kagiken.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 98.0 kB (12%)

Content Size

805.2 kB

After Optimization

707.2 kB

In fact, the total size of Kagiken.co.jp main page is 805.2 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. Images take 751.3 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 37.9 kB

  • Original 48.1 kB
  • After minification 40.4 kB
  • After compression 10.2 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. This page needs HTML code to be minified as it can gain 7.7 kB, which is 16% 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 37.9 kB or 79% of the original size.

Image Optimization

-7%

Potential reduce by 56.1 kB

  • Original 751.3 kB
  • After minification 695.2 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. Kagiken images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 363 B

  • Original 588 B
  • After minification 361 B
  • After compression 225 B

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 363 B or 62% of the original size.

CSS Optimization

-70%

Potential reduce by 3.6 kB

  • Original 5.2 kB
  • After minification 3.5 kB
  • After compression 1.6 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. Kagiken.co.jp needs all CSS files to be minified and compressed as it can save up to 3.6 kB or 70% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (29%)

Requests Now

59

After Optimization

42

The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kagiken. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

kagiken.co.jp accessibility score

82

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-hidden="true"] elements contain focusable descendents

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

kagiken.co.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

SEO Factors

kagiken.co.jp SEO score

99

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 Kagiken.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 Kagiken.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 Kagiken. 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: