Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 54

    SEO

    Google-friendlier than
    19% of websites

desdev.cn

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

6.5 sec in total

First Response

3.2 sec

Resources Loaded

3.2 sec

Page Rendered

72 ms

desdev.cn screenshot

About Website

Visit desdev.cn now to see the best up-to-date Desdev content for China and also check out these interesting facts you probably never knew about desdev.cn

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 desdev.cn

Key Findings

We analyzed Desdev.cn page load time and found that the first response time was 3.2 sec and then it took 3.3 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

desdev.cn performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value140 ms

95/100

30%

CLS (Cumulative Layout Shift)

Value0.586

11/100

15%

TTI (Time to Interactive)

Value6.2 s

61/100

10%

Network Requests Diagram

desdev.cn

3228 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Desdev.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Desdev.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 76 B (25%)

Content Size

309 B

After Optimization

233 B

In fact, the total size of Desdev.cn main page is 309 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 309 B which makes up the majority of the site volume.

HTML Optimization

-25%

Potential reduce by 76 B

  • Original 309 B
  • After minification 308 B
  • After compression 233 B

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 76 B or 25% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Review

desdev.cn accessibility score

71

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

desdev.cn 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

SEO Factors

desdev.cn SEO score

54

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    US-ASCII

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Desdev.cn 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 Desdev.cn main page’s claimed encoding is us-ascii. 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

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