Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 46% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

vs.liberec.cz

Online registrace rozcestník

Page Load Speed

3.2 sec in total

First Response

1 sec

Resources Loaded

2.1 sec

Page Rendered

126 ms

vs.liberec.cz screenshot

About Website

Click here to check amazing Vs Liberec content for Czech Republic. Otherwise, check out these important facts you probably never knew about vs.liberec.cz

Visit vs.liberec.cz

Key Findings

We analyzed Vs.liberec.cz page load time and found that the first response time was 1 sec and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

vs.liberec.cz performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.3 s

98/100

10%

LCP (Largest Contentful Paint)

Value1.3 s

100/100

25%

SI (Speed Index)

Value2.1 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.3 s

100/100

10%

Network Requests Diagram

vs.liberec.cz

1040 ms

style.css

239 ms

button1.png

121 ms

button1mouseover.png

356 ms

button1mouseclick.png

239 ms

Our browser made a total of 6 requests to load all elements on the main page. We found that all of those requests were addressed to Vs.liberec.cz and no external sources were called. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Vs.liberec.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 3.4 kB (4%)

Content Size

96.3 kB

After Optimization

92.9 kB

In fact, the total size of Vs.liberec.cz main page is 96.3 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 93.2 kB which makes up the majority of the site volume.

HTML Optimization

-60%

Potential reduce by 1.7 kB

  • Original 2.9 kB
  • After minification 2.6 kB
  • After compression 1.2 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 1.7 kB or 60% of the original size.

Image Optimization

-2%

Potential reduce by 1.5 kB

  • Original 93.2 kB
  • After minification 91.6 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. Vs Liberec images are well optimized though.

CSS Optimization

-56%

Potential reduce by 146 B

  • Original 261 B
  • After minification 196 B
  • After compression 115 B

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. Vs.liberec.cz needs all CSS files to be minified and compressed as it can save up to 146 B or 56% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

5

After Optimization

5

The browser has sent 5 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vs Liberec. According to our analytics all requests are already optimized.

Accessibility Review

vs.liberec.cz accessibility score

78

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

vs.liberec.cz best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

SEO Factors

vs.liberec.cz SEO score

64

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vs.liberec.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Vs.liberec.cz main page’s claimed encoding is windows-1250. 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

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