Report Summary

  • 69

    Performance

    Renders faster than
    81% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

dedecms.com

织梦 (DedeCMS) 官方网站 - 内容管理系统 - 上海卓卓网络科技有限公司

Page Load Speed

6.1 sec in total

First Response

690 ms

Resources Loaded

5.1 sec

Page Rendered

303 ms

dedecms.com screenshot

About Website

Welcome to dedecms.com homepage info - get ready to check DedeCMS best content for China right away, or after learning these important things about dedecms.com

织梦 (DedeCMS) 官方网站 - 内容管理系统 - 上海卓卓网络科技有限公司

Visit dedecms.com

Key Findings

We analyzed Dedecms.com page load time and found that the first response time was 690 ms and then it took 5.4 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

dedecms.com performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value5.4 s

20/100

25%

SI (Speed Index)

Value7.4 s

28/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value3.0 s

96/100

10%

Network Requests Diagram

dedecms.com

690 ms

www.dedecms.com

1300 ms

bootstrap.min.css

587 ms

bootstrap-icons.css

775 ms

common.css

769 ms

Our browser made a total of 24 requests to load all elements on the main page. We found that all of those requests were addressed to Dedecms.com and no external sources were called. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Dedecms.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 84.6 kB (17%)

Content Size

506.2 kB

After Optimization

421.6 kB

In fact, the total size of Dedecms.com main page is 506.2 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. 25% of websites need less resources to load. Images take 429.7 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 14.6 kB

  • Original 17.8 kB
  • After minification 11.5 kB
  • After compression 3.2 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. This page needs HTML code to be minified as it can gain 6.3 kB, which is 35% 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 14.6 kB or 82% of the original size.

Image Optimization

-16%

Potential reduce by 69.3 kB

  • Original 429.7 kB
  • After minification 360.4 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. Obviously, DedeCMS needs image optimization as it can save up to 69.3 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 751 B

  • Original 58.8 kB
  • After minification 58.8 kB
  • After compression 58.0 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 7 (33%)

Requests Now

21

After Optimization

14

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DedeCMS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

dedecms.com accessibility score

74

Accessibility Issues

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

dedecms.com best practices score

92

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

Page has valid source maps

SEO Factors

dedecms.com SEO score

83

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

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

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dedecms.com can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Dedecms.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 DedeCMS. 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: