Tools & Wizards About Us

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

colorsz.com

国际色卡全国连锁千通彩色卡公司:PANTONE色卡,RAL色卡,NCS色卡,中国建筑色卡,标准色卡,MUNSELL色卡

Page Load Speed

8.9 sec in total

First Response

1.5 sec

Resources Loaded

7.2 sec

Page Rendered

204 ms

About Website

Click here to check amazing Colorsz content for Taiwan. Otherwise, check out these important facts you probably never knew about colorsz.com

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Visit colorsz.com

Key Findings

We analyzed Colorsz.com page load time and found that the first response time was 1.5 sec and then it took 7.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

colorsz.com performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value11.2 s

5/100

10%

TBT (Total Blocking Time)

Value1,450 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value20.6 s

2/100

10%

Network Requests Diagram

colorsz.com

1545 ms

qicaiseka.css

878 ms

new.css

676 ms

jquery.js

1312 ms

superfish.css

676 ms

Our browser made a total of 93 requests to load all elements on the main page. We found that 69% of them (64 requests) were addressed to the original Colorsz.com, 12% (11 requests) were made to Webpage.qidian.qq.com and 8% (7 requests) were made to Bqq.gtimg.com. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Qtccolor.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 239.5 kB (16%)

Content Size

1.5 MB

After Optimization

1.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Colorsz.com main page is 1.5 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. 50% of websites need less resources to load. Images take 852.4 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 50.0 kB

  • Original 63.4 kB
  • After minification 50.6 kB
  • After compression 13.4 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. This page needs HTML code to be minified as it can gain 12.8 kB, which is 20% 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 50.0 kB or 79% of the original size.

Image Optimization

-4%

Potential reduce by 36.0 kB

  • Original 852.4 kB
  • After minification 816.3 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. Colorsz images are well optimized though.

JavaScript Optimization

-26%

Potential reduce by 112.7 kB

  • Original 427.7 kB
  • After minification 412.9 kB
  • After compression 315.0 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 112.7 kB or 26% of the original size.

CSS Optimization

-25%

Potential reduce by 40.7 kB

  • Original 161.6 kB
  • After minification 150.9 kB
  • After compression 120.9 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. Colorsz.com needs all CSS files to be minified and compressed as it can save up to 40.7 kB or 25% of the original size.

Requests Breakdown

Number of requests can be reduced by 55 (63%)

Requests Now

87

After Optimization

32

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Colorsz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

colorsz.com accessibility score

53

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

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

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

colorsz.com best practices score

50

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

colorsz.com SEO score

69

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Colorsz.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Colorsz.com 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 description is not detected on the main page of Colorsz. 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: