Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

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開発、特にFDTD法を用いた電磁波解析ソフトKeyFDTDの開発、販売、受託解析、並びに電磁波・熱流体・多体運動等のシミュレーション業務を行っている会社です。コンテンツ事業として、かぎけん花図鑑等のWEB図鑑をリリースしています。 – 電磁波解析ソフトK...

Page Load Speed

4.3 sec in total

First Response

347 ms

Resources Loaded

3.4 sec

Page Rendered

528 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開発、特にFDTD法を用いた電磁波解析ソフトKeyFDTDの開発、販売、受託解析、並びに電磁波・熱流体・多体運動等のシミュレーション業務を行っている会社です。コンテンツ事業として、かぎけん花図鑑等のWEB図鑑をリリースしています。

Visit kagiken.co.jp

Key Findings

We analyzed Kagiken.co.jp page load time and found that the first response time was 347 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

kagiken.co.jp performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

45/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

5/100

25%

SI (Speed Index)

Value10.7 s

7/100

10%

TBT (Total Blocking Time)

Value450 ms

63/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value5.7 s

68/100

10%

Network Requests Diagram

kagiken.co.jp

347 ms

www.kagiken.co.jp

677 ms

autoptimize_cc59b5b1145d436c3b7049a04cb1a3c1.css

471 ms

jquery.min.js

627 ms

jquery-migrate.min.js

462 ms

Our browser made a total of 11 requests to load all elements on the main page. We found that 64% of them (7 requests) were addressed to the original Kagiken.co.jp, 18% (2 requests) were made to Googletagmanager.com and 18% (2 requests) were made to Storage.googleapis.com. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Storage.googleapis.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 55.2 kB (9%)

Content Size

607.9 kB

After Optimization

552.6 kB

In fact, the total size of Kagiken.co.jp main page is 607.9 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 443.7 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 55.1 kB

  • Original 68.0 kB
  • After minification 68.0 kB
  • After compression 12.9 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 55.1 kB or 81% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 443.7 kB
  • After minification 443.7 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.

CSS Optimization

-0%

Potential reduce by 149 B

  • Original 96.2 kB
  • After minification 96.2 kB
  • After compression 96.0 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. Kagiken.co.jp has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 3 (43%)

Requests Now

7

After Optimization

4

The browser has sent 7 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 JavaScripts and as a result speed up the page load time.

Accessibility Review

kagiken.co.jp accessibility score

73

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

Image elements do not have [alt] attributes

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

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

kagiken.co.jp SEO score

92

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

Image elements do not have [alt] attributes

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