Access deceuninck.cz. Okenní profily, vchodové dveře a terasy Twinson

name

value

score

weighting

FCP (First Contentful Paint)

Value8.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value20.0 s

0/100

25%

SI (Speed Index)

Value15.8 s

0/100

10%

TBT (Total Blocking Time)

Value1,060 ms

25/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value20.4 s

2/100

10%

deceuninck.cz

366 ms

www.deceuninck.cz

654 ms

GetResource.ashx

201 ms

css

44 ms

jquery-1.12.4.min.js

35 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 59% of them (39 requests) were addressed to the original Deceuninck.cz, 6% (4 requests) were made to Googletagmanager.com and 5% (3 requests) were made to Track.adform.net. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Deceuninck.cz.

Content Size

3.5 MB

After Optimization

3.2 MB

In fact, the total size of Deceuninck.cz main page is 3.5 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. 55% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 114.3 kB

Original 136.4 kB
After minification 117.6 kB
After compression 22.1 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 18.8 kB, which is 14% 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 114.3 kB or 84% of the original size.

Image Optimization

-3%

Potential reduce by 91.0 kB

Original 2.7 MB
After minification 2.6 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

-11%

Potential reduce by 67.1 kB

Original 610.6 kB
After minification 610.6 kB
After compression 543.6 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 67.1 kB or 11% of the original size.

CSS Optimization

-2%

Potential reduce by 580 B

Original 33.5 kB
After minification 33.5 kB
After compression 32.9 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 Now

After Optimization

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 29 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

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

High

Links are not crawlable

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/).

High

Document doesn't use 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:

Report Summary

Performance

Accessibility

Best Practices

SEO

Okenní profily, vchodové dveře a terasy Twinson | DECEUNINCK

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

deceuninck.cz

www.deceuninck.cz

GetResource.ashx

css

jquery-1.12.4.min.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

deceuninck.cz

www.deceuninck.cz

GetResource.ashx

css

jquery-1.12.4.min.js

c64b6d04923e4adf1ceb3a970b9cff0a.js

GetResource.ashx

GetResource.ashx

GetResource.ashx

GetResource.ashx

GetResource.ashx

js

xdomain.min.js

angular.min.js

lodash.min.js

lmv3bundle.min.js

GetResource.ashx

GetResource.ashx

WebResource.axd

ScriptResource.axd

ScriptResource.axd

PortalTemplate.aspx

GetResource.ashx

GetResource.ashx

GetResource.ashx

FancyBox

fbevents.js

gtm.js

konfigurator.svg

kalkulator.svg

seda-je-in.svg

f.svg

y.svg

Deceuninck_logo.jpg

ekb_elegant_titelbild_header_1980x1100px-min.jpg

Okenni-profily-hl-stranka.jpg

alu-windows-min.jpg

Itc3-(1).jpg

alu-doors-min.jpg

Terrace_view-jpg.jpg

ic_header_fuer_fassaden

arrow.svg

GettyImages-1039214586-min.jpg