Tools & Wizards About Us
cool-de.com screenshot

Report Summary

  • 57

    Performance

    Renders faster than
    73% of other websites

  • 48

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 81

    SEO

    Google-friendlier than
    42% of websites

cool-de.com

室内设计联盟官网-设计师互动平台

Page Load Speed

16.3 sec in total

First Response

1.1 sec

Resources Loaded

14.7 sec

Page Rendered

486 ms

cool-de.com screenshot

About Website

Visit cool-de.com now to see the best up-to-date Cool De content for China and also check out these interesting facts you probably never knew about cool-de.com

主要有室内设计培训,设计师交流,作品发布等版块。联合室内设计学校开发培训课程,与室内设计培训机构合作推出室内设计培训班,邀请知名室设计师更新最新室内设计效果图大全。

Visit cool-de.com

Key Findings

We analyzed Cool-de.com page load time and found that the first response time was 1.1 sec and then it took 15.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

cool-de.com performance score

57

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value44.2 s

0/100

25%

SI (Speed Index)

Value11.2 s

5/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.027

100/100

15%

TTI (Time to Interactive)

Value4.7 s

79/100

10%

Network Requests Diagram

cool-de.com

1111 ms

portal.php

428 ms

style_7_common.css

430 ms

style_7_portal_index.css

644 ms

common.js

902 ms

Our browser made a total of 216 requests to load all elements on the main page. We found that 36% of them (77 requests) were addressed to the original Cool-de.com, 60% (130 requests) were made to Image.cool-de.com and 4% (9 requests) were made to Sj.com. The less responsive or slowest element that took the longest time to load (4.1 sec) relates to the external source Image.cool-de.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (10%)

Content Size

9.7 MB

After Optimization

8.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cool-de.com main page is 9.7 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 9.0 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 163.5 kB

  • Original 186.5 kB
  • After minification 162.7 kB
  • After compression 23.0 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 23.8 kB, which is 13% 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 163.5 kB or 88% of the original size.

Image Optimization

-5%

Potential reduce by 489.6 kB

  • Original 9.0 MB
  • After minification 8.5 MB

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. Cool De images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 211.1 kB

  • Original 309.1 kB
  • After minification 287.8 kB
  • After compression 98.0 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 211.1 kB or 68% of the original size.

CSS Optimization

-81%

Potential reduce by 153.2 kB

  • Original 189.5 kB
  • After minification 175.1 kB
  • After compression 36.3 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. Cool-de.com needs all CSS files to be minified and compressed as it can save up to 153.2 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (10%)

Requests Now

191

After Optimization

172

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 191 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cool De. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cool-de.com

cool-de.com

1111 ms

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portal.php

428 ms

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style_7_common.css

430 ms

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style_7_portal_index.css

644 ms

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902 ms

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661 ms

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684 ms

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926 ms

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2359 ms

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2394 ms

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2561 ms

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2480 ms

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2498 ms

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2388 ms

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2602 ms

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2552 ms

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2482 ms

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2583 ms

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2559 ms

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2487 ms

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2659 ms

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2587 ms

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2501 ms

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2404 ms

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2523 ms

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2478 ms

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2684 ms

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2537 ms

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2643 ms

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2424 ms

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2505 ms

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2532 ms

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2673 ms

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2582 ms

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2698 ms

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2536 ms

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2426 ms

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2565 ms

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2661 ms

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2548 ms

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2776 ms

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2847 ms

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2631 ms

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2754 ms

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2822 ms

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2715 ms

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2937 ms

Accessibility Review

cool-de.com accessibility score

48

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.

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

cool-de.com 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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

cool-de.com SEO score

81

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

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

    ZH

  • Language Claimed

    N/A

  • Encoding

    GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cool-de.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 Cool-de.com main page’s claimed encoding is gbk. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

cool-de.com

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