Tools & Wizards About Us

Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

color.or.jp

北海道カラーユニバーサルデザイン機構 | 特定非営利活動法人（NPO法人）北海道カラーユニバーサルデザイン機構│Hokkaido Color Universal Design Organization

Page Load Speed

5.8 sec in total

First Response

554 ms

Resources Loaded

5 sec

Page Rendered

223 ms

About Website

Visit color.or.jp now to see the best up-to-date Color content for Japan and also check out these interesting facts you probably never knew about color.or.jp

市民・企業・行政・教育機関等の社会全般に、セミナーやホームページ、パンフレットなどを使いカラーユニバーサルデザイン（CUD）に対する知識と理解を広め、色の配慮の必要性をお伝えします。また、依頼に応じて講師の派遣も行っています。

Visit color.or.jp

Key Findings

We analyzed Color.or.jp page load time and found that the first response time was 554 ms and then it took 5.2 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

color.or.jp performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value7.4 s

4/100

25%

SI (Speed Index)

Value8.1 s

21/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0.018

100/100

15%

TTI (Time to Interactive)

Value9.1 s

32/100

10%

Network Requests Diagram

color.or.jp

554 ms

color.or.jp

1041 ms

js

92 ms

javascript;base64,d2luZG93LmRhdGFMYXllciA9IHdpbmRvdy5kYXRhTGF5ZXIgfHwgW107ZnVuY3Rpb24gZ3RhZygpe2RhdGFMYXllci5wdXNoKGFyZ3VtZW50cyk7fWd0YWcoJ2pzJywgbmV3IERhdGUoKSk7Z3RhZygnY29uZmlnJywgJ1VBLTc1NTE2NDMyLTInKTs=

18 ms

javascript;base64,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

17 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 82% of them (49 requests) were addressed to the original Color.or.jp, 12% (7 requests) were made to and 3% (2 requests) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Color.or.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 55.7 kB (5%)

Content Size

1.1 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Color.or.jp main page is 1.1 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. 40% of websites need less resources to load. Images take 859.3 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 54.1 kB

  • Original 69.8 kB
  • After minification 69.8 kB
  • After compression 15.7 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 54.1 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 859.3 kB
  • After minification 859.3 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. Color images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 199 B

  • Original 130.7 kB
  • After minification 130.7 kB
  • After compression 130.5 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 1.3 kB

  • Original 65.8 kB
  • After minification 65.0 kB
  • After compression 64.5 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. Color.or.jp has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 36 (75%)

Requests Now

48

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Color. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

color.or.jp accessibility score

85

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

color.or.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

color.or.jp SEO score

90

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

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