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zuden.com screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

zuden.com

Zudsec Global | Professional IoT Smart Home & Security Solution Provider

Page Load Speed

20.3 sec in total

First Response

863 ms

Resources Loaded

19 sec

Page Rendered

440 ms

zuden.com screenshot

About Website

Click here to check amazing Zuden content. Otherwise, check out these important facts you probably never knew about zuden.com

ZudSec, A global provider in smart home security and Access solutions, offers a wide range of products: Smart home system,Home Security System,Alarm System,Access control,Electromagnetic lock etc.

Visit zuden.com

Key Findings

We analyzed Zuden.com page load time and found that the first response time was 863 ms and then it took 19.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

zuden.com performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

31/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value11.6 s

5/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.477

18/100

15%

TTI (Time to Interactive)

Value21.2 s

1/100

10%

Network Requests Diagram

zuden.com

863 ms

index.php

209 ms

iconfont.css

144 ms

swiper.min.css

147 ms

animate.min.css

148 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 91% of them (81 requests) were addressed to the original Zuden.com, 2% (2 requests) were made to Cdn.sznbone.cn and 2% (2 requests) were made to Code.tidio.co. The less responsive or slowest element that took the longest time to load (16.3 sec) belongs to the original domain Zuden.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 242.2 kB (6%)

Content Size

3.9 MB

After Optimization

3.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zuden.com main page is 3.9 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. 45% of websites need less resources to load. Images take 3.7 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 56.5 kB

  • Original 70.0 kB
  • After minification 53.4 kB
  • After compression 13.5 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 16.7 kB, which is 24% 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 56.5 kB or 81% of the original size.

Image Optimization

-5%

Potential reduce by 168.7 kB

  • Original 3.7 MB
  • After minification 3.5 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. Zuden images are well optimized though.

JavaScript Optimization

-13%

Potential reduce by 12.5 kB

  • Original 96.8 kB
  • After minification 96.8 kB
  • After compression 84.4 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 12.5 kB or 13% of the original size.

CSS Optimization

-19%

Potential reduce by 4.4 kB

  • Original 23.6 kB
  • After minification 23.6 kB
  • After compression 19.2 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. Zuden.com needs all CSS files to be minified and compressed as it can save up to 4.4 kB or 19% of the original size.

Requests Breakdown

Number of requests can be reduced by 13 (16%)

Requests Now

80

After Optimization

67

  • Images
  • JavaScript
  • CSS

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zuden. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zuden.com

zuden.com

863 ms

index.php

index.php

209 ms

iconfont.css

iconfont.css

144 ms

swiper.min.css

swiper.min.css

147 ms

animate.min.css

animate.min.css

148 ms

css.css

css.css

151 ms

index.css

index.css

163 ms

jquery.min.js

jquery.min.js

1597 ms

jquery.SuperSlide.2.1.3.js

jquery.SuperSlide.2.1.3.js

1815 ms

wow.min.js

wow.min.js

217 ms

swiper.min.js

swiper.min.js

294 ms

countUp.min.js

countUp.min.js

218 ms

pirobox.js

pirobox.js

225 ms

11lgmageh7ar9kuunjhhb5r3zumvfigj.js

11lgmageh7ar9kuunjhhb5r3zumvfigj.js

204 ms

js.js

js.js

173 ms

11lgmageh7ar9kuunjhhb5r3zumvfigj.js

11lgmageh7ar9kuunjhhb5r3zumvfigj.js

136 ms

render.37ed4a78067d36b58c18.js

render.37ed4a78067d36b58c18.js

36 ms

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746d392da829c29b8659acc670d50cd6.png

877 ms

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fx1.jpg

81 ms

fx2.jpg

fx2.jpg

77 ms

fx3.jpg

fx3.jpg

77 ms

fx4.jpg

fx4.jpg

79 ms

fy.png

fy.png

78 ms

fy2.png

fy2.png

82 ms

head-1.png

head-1.png

139 ms

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422 ms

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298 ms

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954 ms

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373 ms

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510 ms

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16340 ms

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ae6c8c7edd9225684fcafdef4e4ec496.jpg

371 ms

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f91ca7fcc12f9607165f58bfa609e9e1.jpg

445 ms

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6f50e0891a200cf3e7e50831a673c56c.jpg

448 ms

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5ac454d43f1ecef7af0ce666403d9be3.jpg

954 ms

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1106 ms

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1118 ms

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2133 ms

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3100 ms

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1592 ms

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2464 ms

hzhb-1.jpg

hzhb-1.jpg

8929 ms

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hzhb-tb.png

1662 ms

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1733 ms

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hzhb-tb3.png

1804 ms

hzhb-tb4.png

hzhb-tb4.png

1875 ms

wmys-1.jpg

wmys-1.jpg

1945 ms

wmys-2.jpg

wmys-2.jpg

2016 ms

wmys-3.jpg

wmys-3.jpg

2087 ms

jjfa-2.jpg

jjfa-2.jpg

2792 ms

jjfa-2.png

jjfa-2.png

2213 ms

jjfa-3.jpg

jjfa-3.jpg

3177 ms

jjfa-3.png

jjfa-3.png

2537 ms

jjfa-1.jpg

jjfa-1.jpg

5613 ms

PAJJhLM6sSoWKfWCAAwDAjgbRAAB42mNgYGBkAIIbCZo5IPrmUn0hGA0AO8EFTQAA

PAJJhLM6sSoWKfWCAAwDAjgbRAAB42mNgYGBkAIIbCZo5IPrmUn0hGA0AO8EFTQAA

14 ms

hotjar-2342867.js

hotjar-2342867.js

90 ms

segoeui.woff

segoeui.woff

11519 ms

seguisb.woff

seguisb.woff

10521 ms

segoeuib.woff

segoeuib.woff

9819 ms

segoeuil.woff

segoeuil.woff

14390 ms

segoeuisl.woff

segoeuisl.woff

15733 ms

jjfa-1.png

jjfa-1.png

9897 ms

wmys2-1.png

wmys2-1.png

9920 ms

wmys2-2.png

wmys2-2.png

9842 ms

wmys2-3.png

wmys2-3.png

9848 ms

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wmys2-4.png

9927 ms

wmys2-5.png

wmys2-5.png

9960 ms

logo2.png

logo2.png

10165 ms

footer-1.png

footer-1.png

10223 ms

footer-2.png

footer-2.png

10174 ms

footer-3.png

footer-3.png

9791 ms

fx1.png

fx1.png

9809 ms

fx2.png

fx2.png

9709 ms

fx3.png

fx3.png

9726 ms

fx4.png

fx4.png

9297 ms

fx5.png

fx5.png

9261 ms

fx6.png

fx6.png

9228 ms

xz.png

xz.png

9201 ms

ss.jpg

ss.jpg

9195 ms

xx.png

xx.png

9139 ms

l3.png

l3.png

9126 ms

r3.png

r3.png

9078 ms

l.png

l.png

9084 ms

r.png

r.png

9034 ms

cpzx-tb5.jpg

cpzx-tb5.jpg

8826 ms

wmys-bj.jpg

wmys-bj.jpg

10887 ms

close_btn.png

close_btn.png

8570 ms

prev.png

prev.png

8337 ms

next.png

next.png

8330 ms

Accessibility Review

zuden.com accessibility score

58

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

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.

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

zuden.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

zuden.com SEO score

69

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

High

robots.txt is not valid

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

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

zuden.com

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