Report Summary

  • 42

    Performance

    Renders faster than
    61% 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

zudsec.com

Zudsec Global | Professional IoT Smart Home & Security Solution Provider

Page Load Speed

20.3 sec in total

First Response

1.1 sec

Resources Loaded

18.7 sec

Page Rendered

438 ms

zudsec.com screenshot

About Website

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

Key Findings

We analyzed Zudsec.com page load time and found that the first response time was 1.1 sec and then it took 19.1 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

zudsec.com performance score

42

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

34/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value10.6 s

7/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.338

33/100

15%

TTI (Time to Interactive)

Value17.3 s

4/100

10%

Network Requests Diagram

zudsec.com

1143 ms

index.php

214 ms

iconfont.css

142 ms

swiper.min.css

144 ms

animate.min.css

151 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 92% of them (82 requests) were addressed to the original Zudsec.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 Zudsec.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 249.0 kB (6%)

Content Size

3.9 MB

After Optimization

3.6 MB

In fact, the total size of Zudsec.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. 40% 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. Zudsec images are well optimized though.

JavaScript Optimization

-19%

Potential reduce by 19.3 kB

  • Original 103.7 kB
  • After minification 103.7 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 19.3 kB or 19% 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. Zudsec.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

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zudsec. 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.

Accessibility Review

zudsec.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

zudsec.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

zudsec.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 Zudsec.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 Zudsec.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

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