Tools & Wizards About Us
deceuninck.cz screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    38% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 90% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    57% of websites

  • 88

    SEO

    Google-friendlier than
    66% of websites

deceuninck.cz

Okenní profily, vchodové dveře a terasy Twinson | DECEUNINCK

Page Load Speed

6.3 sec in total

First Response

381 ms

Resources Loaded

4.2 sec

Page Rendered

1.8 sec

deceuninck.cz screenshot

About Website

Visit deceuninck.cz now to see the best up-to-date DECEUNINCK content and also check out these interesting facts you probably never knew about deceuninck.cz

Okenní profily, dveře Deceuninck, ve kterých se setkávají úspora, šetrnost, dlouhá životnost a design. Pojďte se k nám podívat na okna, která vydrží desítky let.

Visit deceuninck.cz

Key Findings

We analyzed Deceuninck.cz page load time and found that the first response time was 381 ms and then it took 5.9 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

deceuninck.cz performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.6 s

0/100

25%

SI (Speed Index)

Value11.8 s

4/100

10%

TBT (Total Blocking Time)

Value1,550 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value14.5 s

9/100

10%

Network Requests Diagram

deceuninck.cz

381 ms

www.deceuninck.cz

562 ms

GetResource.ashx

126 ms

css

83 ms

jquery-1.12.4.min.js

113 ms

Our browser made a total of 69 requests to load all elements on the main page. We found that 55% of them (38 requests) were addressed to the original Deceuninck.cz, 9% (6 requests) were made to Fonts.gstatic.com and 6% (4 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Deceuninck.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 177.4 kB (7%)

Content Size

2.7 MB

After Optimization

2.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Deceuninck.cz main page is 2.7 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. 70% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 79.6 kB

  • Original 99.2 kB
  • After minification 92.9 kB
  • After compression 19.5 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. 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 79.6 kB or 80% of the original size.

Image Optimization

-4%

Potential reduce by 90.3 kB

  • Original 2.3 MB
  • After minification 2.2 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. DECEUNINCK images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 6.9 kB

  • Original 221.8 kB
  • After minification 221.8 kB
  • After compression 215.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-3%

Potential reduce by 577 B

  • Original 19.4 kB
  • After minification 19.4 kB
  • After compression 18.9 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. Deceuninck.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 38 (63%)

Requests Now

60

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 60 CSS, Javascripts, AJAX and image requests in order to completely render the main page of DECEUNINCK. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

deceuninck.cz

deceuninck.cz

381 ms

www.deceuninck.cz

www.deceuninck.cz

562 ms

GetResource.ashx

GetResource.ashx

126 ms

css

css

83 ms

jquery-1.12.4.min.js

jquery-1.12.4.min.js

113 ms

c64b6d04923e4adf1ceb3a970b9cff0a.js

c64b6d04923e4adf1ceb3a970b9cff0a.js

610 ms

GetResource.ashx

GetResource.ashx

277 ms

GetResource.ashx

GetResource.ashx

303 ms

GetResource.ashx

GetResource.ashx

302 ms

GetResource.ashx

GetResource.ashx

301 ms

GetResource.ashx

GetResource.ashx

311 ms

js

js

195 ms

xdomain.min.js

xdomain.min.js

303 ms

angular.min.js

angular.min.js

418 ms

lodash.min.js

lodash.min.js

392 ms

lmv3bundle.min.js

lmv3bundle.min.js

566 ms

GetResource.ashx

GetResource.ashx

387 ms

GetResource.ashx

GetResource.ashx

386 ms

WebResource.axd

WebResource.axd

389 ms

ScriptResource.axd

ScriptResource.axd

489 ms

ScriptResource.axd

ScriptResource.axd

486 ms

PortalTemplate.aspx

PortalTemplate.aspx

494 ms

GetResource.ashx

GetResource.ashx

570 ms

GetResource.ashx

GetResource.ashx

498 ms

GetResource.ashx

GetResource.ashx

569 ms

fbevents.js

fbevents.js

20 ms

147671649183753

147671649183753

39 ms

gtm.js

gtm.js

192 ms

gen_204

gen_204

112 ms

konfigurator.svg

konfigurator.svg

171 ms

kalkulator.svg

kalkulator.svg

167 ms

seda-je-in.svg

seda-je-in.svg

164 ms

f.svg

f.svg

161 ms

y.svg

y.svg

163 ms

Deceuninck_logo.jpg

Deceuninck_logo.jpg

465 ms

ic_startscreen_1980x1100px.jpg

ic_startscreen_1980x1100px.jpg

873 ms

Okenni-profily-hl-stranka.jpg

Okenni-profily-hl-stranka.jpg

591 ms

Itc3-(1).jpg

Itc3-(1).jpg

333 ms

Terrace_view-jpg.jpg

Terrace_view-jpg.jpg

569 ms

ic_header_fuer_fassaden

ic_header_fuer_fassaden

332 ms

tip_bg.jpg

tip_bg.jpg

463 ms

tip_1-jpg.jpg

tip_1-jpg.jpg

700 ms

93338_Twinson_Terrace-_High1-edit.jpg

93338_Twinson_Terrace-_High1-edit.jpg

774 ms

arrow.svg

arrow.svg

585 ms

default_new.jpg

default_new.jpg

1185 ms

Bruno.jpeg

Bruno.jpeg

773 ms

zYXgKVElMYYaJe8bpLHnCwDKhd_eE6xOedc.woff

zYXgKVElMYYaJe8bpLHnCwDKhd_eE6xOedc.woff

248 ms

zYX9KVElMYYaJe8bpLHnCwDKjSL9AI9scv3pBms.woff

zYX9KVElMYYaJe8bpLHnCwDKjSL9AI9scv3pBms.woff

292 ms

zYX9KVElMYYaJe8bpLHnCwDKjXr8AI9scv3pBms.woff

zYX9KVElMYYaJe8bpLHnCwDKjXr8AI9scv3pBms.woff

249 ms

zYX9KVElMYYaJe8bpLHnCwDKjR7_AI9scv3pBms.woff

zYX9KVElMYYaJe8bpLHnCwDKjR7_AI9scv3pBms.woff

284 ms

zYX9KVElMYYaJe8bpLHnCwDKjQ76AI9scv3pBms.woff

zYX9KVElMYYaJe8bpLHnCwDKjQ76AI9scv3pBms.woff

284 ms

zYX9KVElMYYaJe8bpLHnCwDKjWr7AI9scv3pBms.woff

zYX9KVElMYYaJe8bpLHnCwDKjWr7AI9scv3pBms.woff

283 ms

analytics.js

analytics.js

301 ms

conversion_async.js

conversion_async.js

299 ms

hotjar-230327.js

hotjar-230327.js

527 ms

retargeting.js

retargeting.js

713 ms

identity.js

identity.js

92 ms

1807238002930247

1807238002930247

178 ms

GettyImages-1299954175-(3)-min

GettyImages-1299954175-(3)-min

428 ms

collect

collect

79 ms

collect

collect

124 ms

collect

collect

119 ms

103 ms

collect

collect

48 ms

ga-audiences

ga-audiences

196 ms

modules.01a02f6e8b126e8c8358.js

modules.01a02f6e8b126e8c8358.js

82 ms

ga-audiences

ga-audiences

181 ms

174 ms

box-69edcc3187336f9b0a3fbb4c73be9fe6.html

box-69edcc3187336f9b0a3fbb4c73be9fe6.html

161 ms

Accessibility Review

deceuninck.cz accessibility score

96

Accessibility Issues

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

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

Links do not have a discernible name

Best Practices

deceuninck.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

Page has valid source maps

SEO Factors

deceuninck.cz SEO score

88

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

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 Deceuninck.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 Deceuninck.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

deceuninck.cz

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