Tools & Wizards About Us
zenitsk.sk screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 87

    SEO

    Google-friendlier than
    65% of websites

zenitsk.sk

Predaj - Komôrkové polykarbonátové dosky, Plný polykarbonát ,Plexisklo, plexi | Zenit SK

Page Load Speed

5.9 sec in total

First Response

315 ms

Resources Loaded

5.3 sec

Page Rendered

213 ms

zenitsk.sk screenshot

About Website

Visit zenitsk.sk now to see the best up-to-date Zenit SK content for Slovakia and also check out these interesting facts you probably never knew about zenitsk.sk

Predaj - Komôrkové polykarbonátové dosky, Plný polykarbonát ,Plexisklo Makrolon, Lexan, Sunlite, akrylát, akrylátové sklo, PMMA, plexi, priemyselné podlahy, bentonity, bentonitové hydrizolácie, svetlí...

Visit zenitsk.sk

Key Findings

We analyzed Zenitsk.sk page load time and found that the first response time was 315 ms and then it took 5.6 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

zenitsk.sk performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value14.5 s

0/100

25%

SI (Speed Index)

Value12.8 s

2/100

10%

TBT (Total Blocking Time)

Value440 ms

63/100

30%

CLS (Cumulative Layout Shift)

Value0.741

6/100

15%

TTI (Time to Interactive)

Value13.6 s

11/100

10%

Network Requests Diagram

zenitsk.sk

315 ms

zenitsk.sk

387 ms

www.zenitsk.sk

435 ms

www.zenitsk.sk

485 ms

jquery-ui-1.8.5.css

284 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 86% of them (51 requests) were addressed to the original Zenitsk.sk, 3% (2 requests) were made to Googletagmanager.com and 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Zenitsk.sk.

Page Optimization Overview & Recommendations

Page size can be reduced by 994.0 kB (41%)

Content Size

2.4 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zenitsk.sk main page is 2.4 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. 50% of websites need less resources to load. Images take 2.1 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 17.5 kB

  • Original 22.6 kB
  • After minification 19.5 kB
  • After compression 5.1 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 3.2 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 17.5 kB or 77% of the original size.

Image Optimization

-45%

Potential reduce by 930.6 kB

  • Original 2.1 MB
  • After minification 1.1 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. Obviously, Zenit SK needs image optimization as it can save up to 930.6 kB or 45% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-15%

Potential reduce by 38.9 kB

  • Original 267.1 kB
  • After minification 266.4 kB
  • After compression 228.2 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 38.9 kB or 15% of the original size.

CSS Optimization

-18%

Potential reduce by 7.0 kB

  • Original 38.2 kB
  • After minification 38.1 kB
  • After compression 31.2 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. Zenitsk.sk needs all CSS files to be minified and compressed as it can save up to 7.0 kB or 18% of the original size.

Requests Breakdown

Number of requests can be reduced by 29 (57%)

Requests Now

51

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zenit SK. 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 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

zenitsk.sk

zenitsk.sk

315 ms

zenitsk.sk

zenitsk.sk

387 ms

www.zenitsk.sk

www.zenitsk.sk

435 ms

www.zenitsk.sk

www.zenitsk.sk

485 ms

jquery-ui-1.8.5.css

jquery-ui-1.8.5.css

284 ms

jquery.selectBox.css

jquery.selectBox.css

282 ms

colorbox.css

colorbox.css

284 ms

jquery.tooltip.css

jquery.tooltip.css

285 ms

style.css

style.css

288 ms

eshop.css

eshop.css

286 ms

jquery-1.4.3.min.js

jquery-1.4.3.min.js

661 ms

jquery-ui-1.8.5.min.js

jquery-ui-1.8.5.min.js

758 ms

jquery.infieldlabel.min.js

jquery.infieldlabel.min.js

564 ms

eshop.js

eshop.js

565 ms

jquery.md5.js

jquery.md5.js

567 ms

jquery.delegate.js

jquery.delegate.js

567 ms

jquery.i18n.js

jquery.i18n.js

845 ms

jquery.bgiframe.js

jquery.bgiframe.js

847 ms

jquery.colorbox-min.js

jquery.colorbox-min.js

846 ms

functions.js

functions.js

848 ms

jquery.cycle.min.js

jquery.cycle.min.js

944 ms

jquery.scrollTo-min.js

jquery.scrollTo-min.js

1041 ms

jquery.selectBox.min.js

jquery.selectBox.min.js

1128 ms

jquery.tooltip.pack.js

jquery.tooltip.pack.js

1127 ms

dialogs.js

dialogs.js

1128 ms

directorySlider.js

directorySlider.js

1129 ms

jquery.serialScroll-min.js

jquery.serialScroll-min.js

1225 ms

conversion.js

conversion.js

89 ms

js

js

72 ms

MCEstyle.css

MCEstyle.css

1038 ms

core.css

core.css

1124 ms

retargeting.js

retargeting.js

790 ms

529 ms

analytics.js

analytics.js

542 ms

logo.png

logo.png

617 ms

lang_768_active.png

lang_768_active.png

805 ms

choose_lang.png

choose_lang.png

993 ms

arrow_down_new.png

arrow_down_new.png

713 ms

HP_Plasty_new_970x903.png

HP_Plasty_new_970x903.png

1369 ms

Zenit_Praha_korporatni_02_new.jpg

Zenit_Praha_korporatni_02_new.jpg

994 ms

footer_hr.png

footer_hr.png

1178 ms

logo_zenit_white.png

logo_zenit_white.png

1274 ms

gtm.js

gtm.js

525 ms

input_inner_bg.png

input_inner_bg.png

1073 ms

hp_search.png

hp_search.png

1355 ms

vlnka_obecna2.png

vlnka_obecna2.png

1540 ms

footer_bg.png

footer_bg.png

1594 ms

eshop_icon_footer.png

eshop_icon_footer.png

1495 ms

FiraSansOT-Regular.otf

FiraSansOT-Regular.otf

1778 ms

Raleway-ExtraBold.ttf

Raleway-ExtraBold.ttf

1875 ms

FiraSansOT-Medium.otf

FiraSansOT-Medium.otf

1876 ms

Raleway-SemiBold.ttf

Raleway-SemiBold.ttf

1591 ms

ui-bg_inset-hard_100_fcfdfd_1x100.png

ui-bg_inset-hard_100_fcfdfd_1x100.png

1314 ms

controls.png

controls.png

1410 ms

border.png

border.png

1594 ms

loading_background.png

loading_background.png

1595 ms

loading.gif

loading.gif

1690 ms

29 ms

collect

collect

12 ms

Accessibility Review

zenitsk.sk accessibility score

78

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

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

zenitsk.sk best practices score

67

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

zenitsk.sk SEO score

87

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

    SK

  • Language Claimed

    SK

  • Encoding

    UTF-8

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

zenitsk.sk

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