Tools & Wizards About Us
viva-sport.cz screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

viva-sport.cz

Home | Viva Lanškroun

Page Load Speed

1.3 sec in total

First Response

366 ms

Resources Loaded

846 ms

Page Rendered

109 ms

viva-sport.cz screenshot

About Website

Welcome to viva-sport.cz homepage info - get ready to check Viva Sport best content right away, or after learning these important things about viva-sport.cz

Visit viva-sport.cz

Key Findings

We analyzed Viva-sport.cz page load time and found that the first response time was 366 ms and then it took 955 ms to load all DOM resources and completely render a web page. This is quite a good result, as only 15% of websites can load faster.

Performance Metrics

viva-sport.cz performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.2 s

1/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value130 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.4 s

48/100

10%

Network Requests Diagram

viva-sport.cz

366 ms

tomcat.css

139 ms

tomcat.png

241 ms

bg-nav.png

127 ms

asf-logo.png

340 ms

Our browser made a total of 8 requests to load all elements on the main page. We found that all of those requests were addressed to Viva-sport.cz and no external sources were called. The less responsive or slowest element that took the longest time to load (366 ms) belongs to the original domain Viva-sport.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 18.6 kB (40%)

Content Size

46.8 kB

After Optimization

28.2 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Viva-sport.cz main page is 46.8 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Images take 30.0 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 9.3 kB

  • Original 11.2 kB
  • After minification 7.2 kB
  • After compression 1.9 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 4.0 kB, which is 36% 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 9.3 kB or 83% of the original size.

Image Optimization

-16%

Potential reduce by 4.9 kB

  • Original 30.0 kB
  • After minification 25.2 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. Obviously, Viva Sport needs image optimization as it can save up to 4.9 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-80%

Potential reduce by 4.4 kB

  • Original 5.6 kB
  • After minification 3.6 kB
  • After compression 1.1 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. Viva-sport.cz needs all CSS files to be minified and compressed as it can save up to 4.4 kB or 80% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

7

After Optimization

7

  • Images
  • CSS

The browser has sent 7 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Viva Sport. According to our analytics all requests are already optimized.

Network Requests Diagram

viva-sport.cz

viva-sport.cz

366 ms

tomcat.css

tomcat.css

139 ms

tomcat.png

tomcat.png

241 ms

bg-nav.png

bg-nav.png

127 ms

asf-logo.png

asf-logo.png

340 ms

bg-upper.png

bg-upper.png

241 ms

bg-button.png

bg-button.png

241 ms

bg-middle.png

bg-middle.png

242 ms

Accessibility Review

viva-sport.cz accessibility score

93

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.

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

Best Practices

viva-sport.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

High

Page has valid source maps

SEO Factors

viva-sport.cz SEO score

89

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

    CS

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Viva-sport.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it does not match the claimed English language. Our system also found out that Viva-sport.cz main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

viva-sport.cz

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