Tools & Wizards About Us
heluz.cz screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

heluz.cz

HELUZ – cihly, překlady, komíny, stropní systémy pro stavbu rodinného domu

Page Load Speed

5.6 sec in total

First Response

1.3 sec

Resources Loaded

4.1 sec

Page Rendered

221 ms

heluz.cz screenshot

About Website

Visit heluz.cz now to see the best up-to-date HELUZ content for Czech Republic and also check out these interesting facts you probably never knew about heluz.cz

HELUZ není jen špičková cihla, ale systémové řešení vaší stavby. Vyrábíme cihly s různými parametry, stropy, překlady a komíny. Nabízíme kompletní systém, který do sebe zapadá a tím zrychlí a zlevní c...

Visit heluz.cz

Key Findings

We analyzed Heluz.cz page load time and found that the first response time was 1.3 sec and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

heluz.cz performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.7 s

2/100

10%

LCP (Largest Contentful Paint)

Value21.9 s

0/100

25%

SI (Speed Index)

Value39.0 s

0/100

10%

TBT (Total Blocking Time)

Value51,440 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value95.1 s

0/100

10%

Network Requests Diagram

www.heluz.cz

1347 ms

stylesheet.css

257 ms

jquery.min.js

32 ms

stylesheet.php

327 ms

stylesheet.php

344 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 65% of them (35 requests) were addressed to the original Heluz.cz, 6% (3 requests) were made to Google.com and 4% (2 requests) were made to C.imedia.cz. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Heluz.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 106.7 kB (17%)

Content Size

638.7 kB

After Optimization

532.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Heluz.cz main page is 638.7 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. 25% of websites need less resources to load. Images take 451.2 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 34.9 kB

  • Original 44.2 kB
  • After minification 42.2 kB
  • After compression 9.3 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 34.9 kB or 79% of the original size.

Image Optimization

-3%

Potential reduce by 11.9 kB

  • Original 451.2 kB
  • After minification 439.2 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. HELUZ images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 49.5 kB

  • Original 130.5 kB
  • After minification 127.8 kB
  • After compression 81.1 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 49.5 kB or 38% of the original size.

CSS Optimization

-82%

Potential reduce by 10.5 kB

  • Original 12.8 kB
  • After minification 7.9 kB
  • After compression 2.3 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. Heluz.cz needs all CSS files to be minified and compressed as it can save up to 10.5 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (51%)

Requests Now

49

After Optimization

24

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of HELUZ. 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 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.heluz.cz

www.heluz.cz

1347 ms

stylesheet.css

stylesheet.css

257 ms

jquery.min.js

jquery.min.js

32 ms

stylesheet.php

stylesheet.php

327 ms

stylesheet.php

stylesheet.php

344 ms

stylesheet.php

stylesheet.php

340 ms

stylesheet.php

stylesheet.php

331 ms

stylesheet.php

stylesheet.php

334 ms

stylesheet.php

stylesheet.php

403 ms

stylesheet.php

stylesheet.php

485 ms

stylesheet.php

stylesheet.php

496 ms

css

css

24 ms

dhtmlcombo.js

dhtmlcombo.js

471 ms

retargeting.js

retargeting.js

394 ms

conversion.js

conversion.js

15 ms

0564f1b20b529a078e143dce114b9360

0564f1b20b529a078e143dce114b9360

455 ms

head2_bg.png

head2_bg.png

139 ms

t7.jpg

t7.jpg

514 ms

logoHeluz2.png

logoHeluz2.png

135 ms

cz.png

cz.png

146 ms

webbaner_heluz_cz_260x260.png

webbaner_heluz_cz_260x260.png

527 ms

heluz-dum-pro-budoucnost.jpg

heluz-dum-pro-budoucnost.jpg

270 ms

sidebar_stitek.jpg

sidebar_stitek.jpg

263 ms

sidebar_strelnice.jpg

sidebar_strelnice.jpg

397 ms

sekova-knizka-heluz-15.gif

sekova-knizka-heluz-15.gif

1751 ms

facebook-new.png

facebook-new.png

393 ms

youtube-new.png

youtube-new.png

406 ms

footer_logo.png

footer_logo.png

653 ms

webbaner_heluz_cz_160x600.png

webbaner_heluz_cz_160x600.png

1450 ms

gtm.js

gtm.js

72 ms

heluz_vice.png

heluz_vice.png

531 ms

phone.png

phone.png

629 ms

komin_icon.png

komin_icon.png

647 ms

search.png

search.png

666 ms

leftMenu_button2.png

leftMenu_button2.png

755 ms

hr.png

hr.png

776 ms

fp_cihly.png

fp_cihly.png

780 ms

fp_kominy.png

fp_kominy.png

801 ms

fp_preklady.png

fp_preklady.png

884 ms

fp_stropy.png

fp_stropy.png

906 ms

retargeting

retargeting

492 ms

gk5FxslNkTTHtojXrkp-xOFz6Gj96EQO4nYTex8Y8wM.ttf

gk5FxslNkTTHtojXrkp-xOFz6Gj96EQO4nYTex8Y8wM.ttf

38 ms

L.js

L.js

350 ms

37 ms

50 ms

analytics.js

analytics.js

20 ms

conversion_async.js

conversion_async.js

11 ms

22 ms

collect

collect

14 ms

collect

collect

54 ms

20 ms

ga-audiences

ga-audiences

19 ms

widgetLoader.js

widgetLoader.js

258 ms

stylesheet.php

stylesheet.php

172 ms

Accessibility Review

heluz.cz accessibility score

74

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 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.

High

[aria-*] attributes do not have valid values

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.

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Best Practices

heluz.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

SEO Factors

heluz.cz SEO score

89

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

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Heluz.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it matches the claimed language. Our system also found out that Heluz.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

heluz.cz

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