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ron.cz screenshot

Report Summary

  • 44

    Performance

    Renders faster than
    63% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

ron.cz

RON Software | ron.cz - docházka, mzdy, personalistika, jídelna

Page Load Speed

4 sec in total

First Response

553 ms

Resources Loaded

3.3 sec

Page Rendered

141 ms

ron.cz screenshot

About Website

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

RON Software - komplexní řešení v oblasti lidských zdrojů. Outsourcing. Portfolio produktů: docházka, mzdy, personalistika, jídelna, výroba, ...

Visit ron.cz

Key Findings

We analyzed Ron.cz page load time and found that the first response time was 553 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

ron.cz performance score

44

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value9.9 s

0/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value260 ms

83/100

30%

CLS (Cumulative Layout Shift)

Value0.03

100/100

15%

TTI (Time to Interactive)

Value13.0 s

12/100

10%

Network Requests Diagram

ron.cz

553 ms

main.css

680 ms

netnews-09.css

794 ms

search-01.css

904 ms

shop-01.css

1004 ms

Our browser made a total of 80 requests to load all elements on the main page. We found that 95% of them (76 requests) were addressed to the original Ron.cz, 1% (1 request) were made to Googletagmanager.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Ron.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 137.8 kB (8%)

Content Size

1.6 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ron.cz main page is 1.6 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. 45% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 25.8 kB

  • Original 32.9 kB
  • After minification 29.6 kB
  • After compression 7.2 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 25.8 kB or 78% of the original size.

Image Optimization

-8%

Potential reduce by 103.1 kB

  • Original 1.4 MB
  • After minification 1.3 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. RON images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 5.1 kB

  • Original 201.9 kB
  • After minification 201.5 kB
  • After compression 196.8 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

-17%

Potential reduce by 3.8 kB

  • Original 22.0 kB
  • After minification 21.9 kB
  • After compression 18.1 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. Ron.cz needs all CSS files to be minified and compressed as it can save up to 3.8 kB or 17% of the original size.

Requests Breakdown

Number of requests can be reduced by 36 (46%)

Requests Now

79

After Optimization

43

  • Images
  • JavaScript
  • CSS

The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of RON. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

ron.cz

ron.cz

553 ms

main.css

main.css

680 ms

netnews-09.css

netnews-09.css

794 ms

search-01.css

search-01.css

904 ms

shop-01.css

shop-01.css

1004 ms

plugins.css

plugins.css

1004 ms

jquery.min.js

jquery.min.js

1115 ms

jquery-ui.min.js

jquery-ui.min.js

1228 ms

jquery-ui.css

jquery-ui.css

1005 ms

jquery.prettyPhoto.js

jquery.prettyPhoto.js

1015 ms

prettyPhoto.css

prettyPhoto.css

1110 ms

init_prettyPhoto.js

init_prettyPhoto.js

1111 ms

prettyPhoto-01.css

prettyPhoto-01.css

1122 ms

jquery.cycle.all.min.js

jquery.cycle.all.min.js

1126 ms

menu.css

menu.css

1217 ms

hoverIntent.js

hoverIntent.js

1222 ms

superfish.js

superfish.js

1222 ms

jquery.nospam.js

jquery.nospam.js

1222 ms

init.js

init.js

1254 ms

pixastic.core.js

pixastic.core.js

1327 ms

pixastic.jquery.js

pixastic.jquery.js

1329 ms

desaturate.js

desaturate.js

1331 ms

init_pixastic.js

init_pixastic.js

1331 ms

jquery.hint.js

jquery.hint.js

1335 ms

init.js

init.js

1345 ms

jquery.jcarousel.min.js

jquery.jcarousel.min.js

1432 ms

jcarousel.css

jcarousel.css

1435 ms

references_jcarousel_init.js

references_jcarousel_init.js

1439 ms

jquery.ui.datepicker-cz.min.js

jquery.ui.datepicker-cz.min.js

1438 ms

jquery.timePicker.js

jquery.timePicker.js

1443 ms

timePicker.css

timePicker.css

1454 ms

plugin-forms.js

plugin-forms.js

1539 ms

side_panel.css

side_panel.css

1542 ms

init_sidePanel.js

init_sidePanel.js

1546 ms

js

js

54 ms

css

css

31 ms

retargeting.js

retargeting.js

799 ms

menu_li.png

menu_li.png

112 ms

15370-hlavicka-obecna.jpg

15370-hlavicka-obecna.jpg

326 ms

15370-hlavicka-klientplus.jpg

15370-hlavicka-klientplus.jpg

428 ms

15370-hlavicka-outsourcing.jpg

15370-hlavicka-outsourcing.jpg

217 ms

15370-hlavicka-dochazka.jpg

15370-hlavicka-dochazka.jpg

218 ms

15370-hlavicka-pristupy.jpg

15370-hlavicka-pristupy.jpg

432 ms

15370-hlavicka-mzdy.jpg

15370-hlavicka-mzdy.jpg

440 ms

15370-hlavicka-personalistika.jpg

15370-hlavicka-personalistika.jpg

439 ms

15370-hlavicka-jidelna.jpg

15370-hlavicka-jidelna.jpg

440 ms

15370-hlavicka-majetek.jpg

15370-hlavicka-majetek.jpg

543 ms

15364-product_bg.jpg

15364-product_bg.jpg

535 ms

15365-support_bg.jpg

15365-support_bg.jpg

540 ms

15367-service_bg.jpg

15367-service_bg.jpg

543 ms

43261-mzdy-ucto_homepage.jpg

43261-mzdy-ucto_homepage.jpg

544 ms

15368-_ref_penta.png

15368-_ref_penta.png

549 ms

15368-ref_PPL.png

15368-ref_PPL.png

642 ms

15368-_ref_heineken.png

15368-_ref_heineken.png

647 ms

15368-ref_MLS-Holice.png

15368-ref_MLS-Holice.png

649 ms

15368-_ref_dm.png

15368-_ref_dm.png

651 ms

15368-_ref_emco_new.png

15368-_ref_emco_new.png

652 ms

15368-_ref_Planeo.png

15368-_ref_Planeo.png

660 ms

15368-ref_Akkodis.png

15368-ref_Akkodis.png

748 ms

15368-ref_MHTeplarensky-holding.png

15368-ref_MHTeplarensky-holding.png

756 ms

15368-ref_Teleflex.png

15368-ref_Teleflex.png

758 ms

15368-_ref_dr-oetker.png

15368-_ref_dr-oetker.png

759 ms

15368-_ref_fortuna.png

15368-_ref_fortuna.png

760 ms

15368-ref_Shimano.png

15368-ref_Shimano.png

768 ms

15368-ref_Kooperativa.png

15368-ref_Kooperativa.png

854 ms

15368-ref_Bel.png

15368-ref_Bel.png

863 ms

15368-ref_DHLExpress.png

15368-ref_DHLExpress.png

866 ms

powered.gif

powered.gif

867 ms

demand.png

demand.png

868 ms

contact.png

contact.png

879 ms

helpdesk.png

helpdesk.png

961 ms

social.png

social.png

954 ms

logo_transp.png

logo_transp.png

957 ms

L.js

L.js

510 ms

color_line.png

color_line.png

867 ms

srch_bg.gif

srch_bg.gif

763 ms

blue_arr.gif

blue_arr.gif

774 ms

white_trans_30.png

white_trans_30.png

745 ms

bg-page-arrows.png

bg-page-arrows.png

656 ms

print-01.css

print-01.css

111 ms

Accessibility Review

ron.cz accessibility score

80

Accessibility Issues

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

ron.cz best practices score

58

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

ron.cz SEO score

77

Search Engine Optimization Advices

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 Ron.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 Ron.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

ron.cz

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