Report Summary

  • 17

    Performance

    Renders faster than
    36% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    65% of websites

  • 69

    SEO

    Google-friendlier than
    37% of websites

demos-trade.cz

Vše pro výrobu nábytku | Démos trade, a.s.

Page Load Speed

10.5 sec in total

First Response

4 sec

Resources Loaded

6.3 sec

Page Rendered

266 ms

demos-trade.cz screenshot

About Website

Welcome to demos-trade.cz homepage info - get ready to check Demos Trade best content for Czech Republic right away, or after learning these important things about demos-trade.cz

Vše pro výrobu nábytku

Visit demos-trade.cz

Key Findings

We analyzed Demos-trade.cz page load time and found that the first response time was 4 sec and then it took 6.6 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

demos-trade.cz performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value14.9 s

0/100

25%

SI (Speed Index)

Value8.5 s

18/100

10%

TBT (Total Blocking Time)

Value1,990 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0.145

77/100

15%

TTI (Time to Interactive)

Value19.4 s

2/100

10%

Network Requests Diagram

demos-trade.cz

3955 ms

default.css

404 ms

menu_ver.css

401 ms

Menu.Demos.css

393 ms

prettyPhoto.css

398 ms

Our browser made a total of 110 requests to load all elements on the main page. We found that 83% of them (91 requests) were addressed to the original Demos-trade.cz, 11% (12 requests) were made to Demos.cz and 4% (4 requests) were made to Vyvoj2.d3soft.cz. The less responsive or slowest element that took the longest time to load (4 sec) belongs to the original domain Demos-trade.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 304.2 kB (32%)

Content Size

964.2 kB

After Optimization

659.9 kB

In fact, the total size of Demos-trade.cz main page is 964.2 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. 45% of websites need less resources to load. Images take 626.4 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 67.7 kB

  • Original 93.6 kB
  • After minification 90.0 kB
  • After compression 25.8 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 67.7 kB or 72% of the original size.

Image Optimization

-10%

Potential reduce by 62.4 kB

  • Original 626.4 kB
  • After minification 564.0 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. Demos Trade images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 123.2 kB

  • Original 180.8 kB
  • After minification 172.0 kB
  • After compression 57.5 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 123.2 kB or 68% of the original size.

CSS Optimization

-80%

Potential reduce by 50.9 kB

  • Original 63.5 kB
  • After minification 54.2 kB
  • After compression 12.6 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. Demos-trade.cz needs all CSS files to be minified and compressed as it can save up to 50.9 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 39 (40%)

Requests Now

97

After Optimization

58

The browser has sent 97 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Demos Trade. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 23 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

demos-trade.cz accessibility score

70

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

Links do not have a discernible name

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.

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

demos-trade.cz best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

demos-trade.cz SEO score

69

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Demos-trade.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech 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 Demos-trade.cz 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 Demos Trade. 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: