Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

Page Load Speed

3.9 sec in total

First Response

929 ms

Resources Loaded

2.9 sec

Page Rendered

88 ms

vivazlavy.radioviva.sk screenshot

About Website

Visit vivazlavy.radioviva.sk now to see the best up-to-date VIVA Zlavy Radio content for Slovakia and also check out these interesting facts you probably never knew about vivazlavy.radioviva.sk

Rádio VIVA - to najlepšie na západe. Hudobné novinky každý týždeň v éteri aj na webe. Okrem toho hostia, vysielanie, rubriky, súťaže a stream ...

Visit vivazlavy.radioviva.sk

Key Findings

We analyzed Vivazlavy.radioviva.sk page load time and found that the first response time was 929 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

vivazlavy.radioviva.sk performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.1 s

0/100

10%

LCP (Largest Contentful Paint)

Value16.7 s

0/100

25%

SI (Speed Index)

Value17.5 s

0/100

10%

TBT (Total Blocking Time)

Value3,200 ms

2/100

30%

CLS (Cumulative Layout Shift)

Value0.024

100/100

15%

TTI (Time to Interactive)

Value22.5 s

1/100

10%

Network Requests Diagram

vivazlavy.radioviva.sk

929 ms

reset.css

125 ms

style.css

289 ms

index.css

314 ms

hover.css

788 ms

Our browser made a total of 20 requests to load all elements on the main page. We found that all of those requests were addressed to Vivazlavy.radioviva.sk and no external sources were called. The less responsive or slowest element that took the longest time to load (929 ms) belongs to the original domain Vivazlavy.radioviva.sk.

Page Optimization Overview & Recommendations

Page size can be reduced by 479.3 kB (75%)

Content Size

635.3 kB

After Optimization

156.1 kB

In fact, the total size of Vivazlavy.radioviva.sk main page is 635.3 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. Only 10% of websites need less resources to load. Javascripts take 460.1 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 3.9 kB

  • Original 5.6 kB
  • After minification 5.3 kB
  • After compression 1.7 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 3.9 kB or 70% of the original size.

Image Optimization

-48%

Potential reduce by 6.6 kB

  • Original 13.7 kB
  • After minification 7.1 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. Obviously, VIVA Zlavy Radio needs image optimization as it can save up to 6.6 kB or 48% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-71%

Potential reduce by 325.3 kB

  • Original 460.1 kB
  • After minification 458.4 kB
  • After compression 134.9 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 325.3 kB or 71% of the original size.

CSS Optimization

-92%

Potential reduce by 143.5 kB

  • Original 156.0 kB
  • After minification 127.2 kB
  • After compression 12.5 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. Vivazlavy.radioviva.sk needs all CSS files to be minified and compressed as it can save up to 143.5 kB or 92% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (58%)

Requests Now

19

After Optimization

8

The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VIVA Zlavy Radio. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

vivazlavy.radioviva.sk accessibility score

89

Accessibility Issues

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

Buttons do not have an accessible name

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

Best Practices

vivazlavy.radioviva.sk best practices score

75

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

SEO Factors

vivazlavy.radioviva.sk SEO score

99

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 Vivazlavy.radioviva.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 Vivazlavy.radioviva.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

Open Graph description is not detected on the main page of VIVA Zlavy Radio. 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: