Tools & Wizards About Us
zydk.net screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    67% of other websites

  • 39

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 46

    SEO

    Google-friendlier than
    18% of websites

zydk.net

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Page Load Speed

8.4 sec in total

First Response

2.3 sec

Resources Loaded

6 sec

Page Rendered

164 ms

zydk.net screenshot

About Website

Click here to check amazing Zydk content. Otherwise, check out these important facts you probably never knew about zydk.net

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Visit zydk.net

Key Findings

We analyzed Zydk.net page load time and found that the first response time was 2.3 sec and then it took 6.1 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

zydk.net performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value8.6 s

0/100

10%

LCP (Largest Contentful Paint)

Value21.0 s

0/100

25%

SI (Speed Index)

Value11.8 s

4/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value10.0 s

27/100

10%

Network Requests Diagram

zydk.net

2289 ms

css.css

711 ms

ScrollPic.js

766 ms

style.css

850 ms

mm_menu.js

1504 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that all of those requests were addressed to Zydk.net and no external sources were called. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Zydk.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 154.4 kB (45%)

Content Size

346.5 kB

After Optimization

192.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zydk.net main page is 346.5 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. Images take 165.2 kB which makes up the majority of the site volume.

HTML Optimization

-89%

Potential reduce by 81.2 kB

  • Original 91.7 kB
  • After minification 78.4 kB
  • After compression 10.5 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 13.3 kB, which is 15% 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 81.2 kB or 89% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 165.2 kB
  • After minification 165.2 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. Zydk images are well optimized though.

JavaScript Optimization

-82%

Potential reduce by 66.7 kB

  • Original 81.3 kB
  • After minification 60.2 kB
  • After compression 14.6 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 66.7 kB or 82% of the original size.

CSS Optimization

-79%

Potential reduce by 6.5 kB

  • Original 8.3 kB
  • After minification 6.9 kB
  • After compression 1.8 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. Zydk.net needs all CSS files to be minified and compressed as it can save up to 6.5 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (42%)

Requests Now

43

After Optimization

25

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zydk. 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 as a result speed up the page load time.

Network Requests Diagram

zydk.net

zydk.net

2289 ms

css.css

css.css

711 ms

ScrollPic.js

ScrollPic.js

766 ms

style.css

style.css

850 ms

mm_menu.js

mm_menu.js

1504 ms

jd_pic.js

jd_pic.js

757 ms

FancyZoom.js

FancyZoom.js

608 ms

FancyZoomHTML.js

FancyZoomHTML.js

862 ms

zydk.net

zydk.net

1189 ms

title.jpg

title.jpg

1385 ms

6.jpg

6.jpg

1216 ms

dian.jpg

dian.jpg

566 ms

new7.gif

new7.gif

575 ms

more.gif

more.gif

958 ms

dian2.jpg

dian2.jpg

1173 ms

dian3.jpg

dian3.jpg

1181 ms

21-1.jpg

21-1.jpg

1468 ms

19-3.jpg

19-3.jpg

1518 ms

17.jpg

17.jpg

1559 ms

19-4.jpg

19-4.jpg

1626 ms

12.jpg

12.jpg

1635 ms

19-1.jpg

19-1.jpg

1694 ms

16.jpg

16.jpg

1712 ms

13.jpg

13.jpg

1757 ms

15-1.jpg

15-1.jpg

1811 ms

1.jpg

1.jpg

1916 ms

2.jpg

2.jpg

1977 ms

7.jpg

7.jpg

2036 ms

8.jpg

8.jpg

2186 ms

9.jpg

9.jpg

2253 ms

11.jpg

11.jpg

2387 ms

12.jpg

12.jpg

2488 ms

13.jpg

13.jpg

2598 ms

14.jpg

14.jpg

2683 ms

linebg.gif

linebg.gif

2646 ms

line01.gif

line01.gif

2618 ms

line02.gif

line02.gif

2625 ms

line03.gif

line03.gif

2652 ms

zoom-spin-1.gif

zoom-spin-1.gif

238 ms

spacer.gif

spacer.gif

234 ms

closebox.gif

closebox.gif

221 ms

zoom-caption-l.gif

zoom-caption-l.gif

243 ms

zoom-caption-r.gif

zoom-caption-r.gif

242 ms

zoom-caption-fill.gif

zoom-caption-fill.gif

233 ms

Accessibility Review

zydk.net accessibility score

39

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.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

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

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

zydk.net 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

zydk.net SEO score

46

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Page is blocked from indexing

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

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zydk.net 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 Zydk.net main page’s claimed encoding is gb2312. 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

zydk.net

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