21.1 sec in total
411 ms
20.3 sec
428 ms
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.comWe analyzed Zuden.com page load time and found that the first response time was 411 ms and then it took 20.7 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.
zuden.com performance score
name
value
score
weighting
Value3.8 s
27/100
10%
Value7.5 s
4/100
25%
Value19.8 s
0/100
10%
Value190 ms
91/100
30%
Value0.372
28/100
15%
Value22.6 s
1/100
10%
411 ms
557 ms
138 ms
207 ms
344 ms
Our browser made a total of 83 requests to load all elements on the main page. We found that 92% of them (76 requests) were addressed to the original Zuden.com, 2% (2 requests) were made to Cdn.sznbone.cn and 1% (1 request) were made to Code.tidio.co. The less responsive or slowest element that took the longest time to load (17.4 sec) belongs to the original domain Zuden.com.
Page size can be reduced by 68.5 kB (2%)
2.8 MB
2.8 MB
In fact, the total size of Zuden.com main page is 2.8 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. 40% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.
Potential reduce by 38.6 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 16.8 kB, which is 36% 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 38.6 kB or 83% of the original size.
Potential reduce by 13.3 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. Zuden images are well optimized though.
Potential reduce by 12.3 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 12.3 kB or 13% of the original size.
Potential reduce by 4.4 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.
Number of requests can be reduced by 13 (18%)
74
61
The browser has sent 74 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.
zuden.com
411 ms
zuden.com
557 ms
iconfont.css
138 ms
swiper.min.css
207 ms
animate.min.css
344 ms
css.css
281 ms
index.css
212 ms
jquery.min.js
1698 ms
jquery.SuperSlide.2.1.3.js
1905 ms
wow.min.js
213 ms
swiper.min.js
423 ms
countUp.min.js
276 ms
pirobox.js
281 ms
js.js
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315 ms
render.ef0a530ad8eeaddb4937.js
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zuden.com accessibility score
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
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
<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
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
zuden.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
zuden.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
Document uses legible font sizes
EN
EN
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.
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: