Tools & Wizards About Us
rozhlas.sk screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 95

    SEO

    Google-friendlier than
    91% of websites

rozhlas.sk

Rádiá - RTVS.sk

Page Load Speed

5.4 sec in total

First Response

496 ms

Resources Loaded

4.3 sec

Page Rendered

518 ms

rozhlas.sk screenshot

About Website

Welcome to rozhlas.sk homepage info - get ready to check Rozhlas best content for Slovakia right away, or after learning these important things about rozhlas.sk

Prehľad všetkých programových služieb Slovenského rozhlasu, ako aj vysielanie naživo online.

Visit rozhlas.sk

Key Findings

We analyzed Rozhlas.sk page load time and found that the first response time was 496 ms and then it took 4.9 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

rozhlas.sk performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value5.0 s

26/100

25%

SI (Speed Index)

Value6.5 s

38/100

10%

TBT (Total Blocking Time)

Value2,310 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value9.6 s

29/100

10%

Network Requests Diagram

rozhlas.sk

496 ms

radia

729 ms

complete.css

1294 ms

jquery-1.8.3.min.js

39 ms

jquery.nette.js

336 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Rozhlas.sk, 77% (36 requests) were made to Cdn.srv.rtvs.sk and 4% (2 requests) were made to Cdnjs.cloudflare.com. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Cdn.srv.rtvs.sk.

Page Optimization Overview & Recommendations

Page size can be reduced by 396.0 kB (52%)

Content Size

759.9 kB

After Optimization

363.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Rozhlas.sk main page is 759.9 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 296.6 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 13.6 kB

  • Original 18.1 kB
  • After minification 16.4 kB
  • After compression 4.4 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 13.6 kB or 75% of the original size.

Image Optimization

-7%

Potential reduce by 21.3 kB

  • Original 296.6 kB
  • After minification 275.2 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. Rozhlas images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 129.2 kB

  • Original 176.1 kB
  • After minification 136.4 kB
  • After compression 46.9 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 129.2 kB or 73% of the original size.

CSS Optimization

-86%

Potential reduce by 231.9 kB

  • Original 269.2 kB
  • After minification 213.7 kB
  • After compression 37.3 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. Rozhlas.sk needs all CSS files to be minified and compressed as it can save up to 231.9 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 20 (48%)

Requests Now

42

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rozhlas. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

rozhlas.sk

rozhlas.sk

496 ms

radia

radia

729 ms

complete.css

complete.css

1294 ms

jquery-1.8.3.min.js

jquery-1.8.3.min.js

39 ms

jquery.nette.js

jquery.nette.js

336 ms

jquery.sudoSlider.min.js

jquery.sudoSlider.min.js

452 ms

slimbox2.js

slimbox2.js

347 ms

tvNowPlaying.js

tvNowPlaying.js

345 ms

app.js

app.js

346 ms

netteForms.js

netteForms.js

670 ms

bootstrap.js

bootstrap.js

998 ms

holder.js

holder.js

675 ms

bootstrap-formhelpers-selectbox.js

bootstrap-formhelpers-selectbox.js

674 ms

facebook.js

facebook.js

663 ms

conf.js

conf.js

1077 ms

cookie.js

cookie.js

886 ms

cookieconsent.min.js

cookieconsent.min.js

27 ms

all.js

all.js

271 ms

analytics.js

analytics.js

44 ms

logo-rtvs.png

logo-rtvs.png

141 ms

radio_slovensko.png

radio_slovensko.png

336 ms

radio_regina.png

radio_regina.png

438 ms

radio_devin.png

radio_devin.png

442 ms

radio_fm.png

radio_fm.png

442 ms

radio_patria.png

radio_patria.png

441 ms

radio_rsi.png

radio_rsi.png

576 ms

radio_pyramida.png

radio_pyramida.png

734 ms

radio_litera.png

radio_litera.png

880 ms

radio_junior.png

radio_junior.png

884 ms

H1Sw.jpg

H1Sw.jpg

1014 ms

FfFj.jpg

FfFj.jpg

1034 ms

ctk.png

ctk.png

800 ms

navbar.png

navbar.png

1030 ms

main-nav-hover.png

main-nav-hover.png

988 ms

icon-lupa.png

icon-lupa.png

1072 ms

ikonaky_gridka.png

ikonaky_gridka.png

1179 ms

collect

collect

38 ms

play.png

play.png

1130 ms

footer_bckg.png

footer_bckg.png

1109 ms

ico-rtvs-logo-white.png

ico-rtvs-logo-white.png

1123 ms

opensans-regularopenSans_R.woff

opensans-regularopenSans_R.woff

1370 ms

noticiatext-boldnotica_B.woff

noticiatext-boldnotica_B.woff

1442 ms

opensans-boldopenSans_B.woff

opensans-boldopenSans_B.woff

1513 ms

126 ms

xd_arbiter.php

xd_arbiter.php

270 ms

xd_arbiter.php

xd_arbiter.php

448 ms

light-top.css

light-top.css

87 ms

Accessibility Review

rozhlas.sk accessibility score

97

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.

Best Practices

rozhlas.sk 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

rozhlas.sk SEO score

95

Search Engine Optimization Advices

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 Rozhlas.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 Rozhlas.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

rozhlas.sk

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