Report Summary

  • 24

    Performance

    Renders faster than
    44% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

colordic.org

WEB色見本 原色大辞典 - HTMLカラーコード

Page Load Speed

3.9 sec in total

First Response

522 ms

Resources Loaded

3.2 sec

Page Rendered

245 ms

colordic.org screenshot

About Website

Click here to check amazing Colordic content for Japan. Otherwise, check out these important facts you probably never knew about colordic.org

色の名前とカラーコードが一目でわかるWEB色見本

Visit colordic.org

Key Findings

We analyzed Colordic.org page load time and found that the first response time was 522 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

colordic.org performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value8.3 s

2/100

25%

SI (Speed Index)

Value8.5 s

17/100

10%

TBT (Total Blocking Time)

Value5,390 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value13.9 s

10/100

10%

Network Requests Diagram

colordic.org

522 ms

www.colordic.org

882 ms

bootstrap.min.css

521 ms

option.min.css

351 ms

ie-emulation-modes-warning.min.js

361 ms

Our browser made a total of 56 requests to load all elements on the main page. We found that 25% of them (14 requests) were addressed to the original Colordic.org, 39% (22 requests) were made to Tpc.googlesyndication.com and 11% (6 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1 sec) relates to the external source Xml.affiliate.rakuten.co.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 244.7 kB (37%)

Content Size

656.3 kB

After Optimization

411.6 kB

In fact, the total size of Colordic.org main page is 656.3 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. 55% of websites need less resources to load. Images take 304.8 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 34.5 kB

  • Original 42.8 kB
  • After minification 41.3 kB
  • After compression 8.2 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 34.5 kB or 81% of the original size.

Image Optimization

-5%

Potential reduce by 16.1 kB

  • Original 304.8 kB
  • After minification 288.7 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. Colordic images are well optimized though.

JavaScript Optimization

-46%

Potential reduce by 76.2 kB

  • Original 167.0 kB
  • After minification 157.3 kB
  • After compression 90.8 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 76.2 kB or 46% of the original size.

CSS Optimization

-83%

Potential reduce by 117.8 kB

  • Original 141.7 kB
  • After minification 141.1 kB
  • After compression 23.8 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. Colordic.org needs all CSS files to be minified and compressed as it can save up to 117.8 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (47%)

Requests Now

53

After Optimization

28

The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Colordic. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

colordic.org accessibility score

83

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-*] attributes do not match their roles

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

<frame> or <iframe> elements do not have a title

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

colordic.org 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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

colordic.org SEO score

83

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 doesn't use 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 Colordic.org 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 Colordic.org 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 Colordic. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: