Tools & Wizards About Us
colors.jp screenshot

Report Summary

  • 70

    Performance

    Renders faster than
    81% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

colors.jp

株式会社カラーズ

Page Load Speed

3.2 sec in total

First Response

539 ms

Resources Loaded

2.5 sec

Page Rendered

126 ms

colors.jp screenshot

About Website

Visit colors.jp now to see the best up-to-date Colors content and also check out these interesting facts you probably never knew about colors.jp

株式会社カラーズは、インターネット領域を起点にしたアイデアで、クライアントのビジネスブレーンとして貢献いたします。

Visit colors.jp

Key Findings

We analyzed Colors.jp page load time and found that the first response time was 539 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

colors.jp performance score

70

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

22/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

38/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.6 s

81/100

10%

Network Requests Diagram

colors.jp

539 ms

common.css

331 ms

pc.css

494 ms

jquery-2.1.3.min.js

1152 ms

jquery.easing.1.3.js

494 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that 83% of them (10 requests) were addressed to the original Colors.jp, 17% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Colors.jp.

Page Optimization Overview & Recommendations

Page size can be reduced by 81.4 kB (49%)

Content Size

166.0 kB

After Optimization

84.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Colors.jp main page is 166.0 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. Only 10% of websites need less resources to load. Javascripts take 117.2 kB which makes up the majority of the site volume.

HTML Optimization

-52%

Potential reduce by 1.5 kB

  • Original 2.9 kB
  • After minification 2.9 kB
  • After compression 1.4 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 1.5 kB or 52% of the original size.

Image Optimization

-5%

Potential reduce by 1.5 kB

  • Original 27.9 kB
  • After minification 26.4 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. Colors images are well optimized though.

JavaScript Optimization

-55%

Potential reduce by 64.7 kB

  • Original 117.2 kB
  • After minification 111.8 kB
  • After compression 52.6 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 64.7 kB or 55% of the original size.

CSS Optimization

-76%

Potential reduce by 13.7 kB

  • Original 17.9 kB
  • After minification 13.2 kB
  • After compression 4.2 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. Colors.jp needs all CSS files to be minified and compressed as it can save up to 13.7 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (55%)

Requests Now

11

After Optimization

5

  • Images
  • JavaScript
  • CSS

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Colors. 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 from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

colors.jp

colors.jp

539 ms

common.css

common.css

331 ms

pc.css

pc.css

494 ms

jquery-2.1.3.min.js

jquery-2.1.3.min.js

1152 ms

jquery.easing.1.3.js

jquery.easing.1.3.js

494 ms

common.js

common.js

492 ms

logo.png

logo.png

495 ms

btn_menu_ot.png

btn_menu_ot.png

166 ms

analytics.js

analytics.js

9 ms

collect

collect

13 ms

sp.css

sp.css

166 ms

sp_ls.css

sp_ls.css

167 ms

Accessibility Review

colors.jp accessibility score

93

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

colors.jp best practices score

67

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

High

Browser errors were logged to the console

SEO Factors

colors.jp SEO score

92

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 doesn't use legible font sizes

Language and Encoding

  • Language Detected

    JA

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Colors.jp can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Colors.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

colors.jp

Open Graph description is not detected on the main page of Colors. 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: