Tools & Wizards About Us
duanteng.com screenshot

Report Summary

  • 90

    Performance

    Renders faster than
    91% of other websites

  • 46

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

duanteng.com

中华泰康-移动互联网解决方案专家

Page Load Speed

4.9 sec in total

First Response

703 ms

Resources Loaded

4.1 sec

Page Rendered

90 ms

duanteng.com screenshot

About Website

Welcome to duanteng.com homepage info - get ready to check Duanteng best content right away, or after learning these important things about duanteng.com

深圳市端腾网络科技有限公司成立于2013年，是一家专注于移动互联网产品研发的技术型公司。主要经营的业务有：APP移动应用开发、微信小程序应用开发、各类WEB网站开发、ERP管理系统定制开发等

Visit duanteng.com

Key Findings

We analyzed Duanteng.com page load time and found that the first response time was 703 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

duanteng.com performance score

90

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

76/100

10%

LCP (Largest Contentful Paint)

Value2.5 s

89/100

25%

SI (Speed Index)

Value5.6 s

53/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value2.3 s

99/100

10%

Network Requests Diagram

www.duanteng.com

703 ms

master.css

479 ms

jquery.js

1440 ms

adshow.js

481 ms

logo.png

488 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that all of those requests were addressed to Duanteng.com and no external sources were called. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Duanteng.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 96.2 kB (55%)

Content Size

174.4 kB

After Optimization

78.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Duanteng.com main page is 174.4 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 5% of websites need less resources to load. Javascripts take 100.6 kB which makes up the majority of the site volume.

HTML Optimization

-57%

Potential reduce by 3.1 kB

  • Original 5.5 kB
  • After minification 5.3 kB
  • After compression 2.4 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 3.1 kB or 57% of the original size.

Image Optimization

-38%

Potential reduce by 23.9 kB

  • Original 63.7 kB
  • After minification 39.8 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, Duanteng needs image optimization as it can save up to 23.9 kB or 38% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-65%

Potential reduce by 65.7 kB

  • Original 100.6 kB
  • After minification 100.0 kB
  • After compression 34.8 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 65.7 kB or 65% of the original size.

CSS Optimization

-72%

Potential reduce by 3.4 kB

  • Original 4.7 kB
  • After minification 4.3 kB
  • After compression 1.3 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. Duanteng.com needs all CSS files to be minified and compressed as it can save up to 3.4 kB or 72% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Duanteng. According to our analytics all requests are already optimized.

Network Requests Diagram

www.duanteng.com

www.duanteng.com

703 ms

master.css

master.css

479 ms

jquery.js

jquery.js

1440 ms

adshow.js

adshow.js

481 ms

logo.png

logo.png

488 ms

banner1.png

banner1.png

1225 ms

icon.png

icon.png

485 ms

Accessibility Review

duanteng.com accessibility score

46

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.

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.

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

duanteng.com 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

SEO Factors

duanteng.com SEO score

88

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

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Duanteng.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 Duanteng.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

duanteng.com

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