Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

volny-cas.sluzby.cz

Volný čas a cestování - hodnocené firmy zajišťující služby pro volný čas

Page Load Speed

3.2 sec in total

First Response

354 ms

Resources Loaded

2.4 sec

Page Rendered

512 ms

volny-cas.sluzby.cz screenshot

About Website

Visit volny-cas.sluzby.cz now to see the best up-to-date Volny Cas Sluzby content for Czech Republic and also check out these interesting facts you probably never knew about volny-cas.sluzby.cz

Volný čas a cestování - vyberte si ve spolehlivém seznamu firem a služeb, hodnocených zákazníky - průvodce volným časem

Visit volny-cas.sluzby.cz

Key Findings

We analyzed Volny-cas.sluzby.cz page load time and found that the first response time was 354 ms and then it took 2.9 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

volny-cas.sluzby.cz performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

8/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value5,430 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.183

66/100

15%

TTI (Time to Interactive)

Value16.1 s

6/100

10%

Network Requests Diagram

volny-cas.sluzby.cz

354 ms

volny-cas.sluzby.cz

745 ms

portal-1629921665-a85f2ac8bede19c7dc153ccde09c05e5.css

632 ms

adsbygoogle.js

109 ms

ssp.js

585 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 9% of them (2 requests) were addressed to the original Volny-cas.sluzby.cz, 61% (14 requests) were made to Global-www.sluzby.cz and 13% (3 requests) were made to Adsensecustomsearchads.com. The less responsive or slowest element that took the longest time to load (768 ms) relates to the external source Global-www.sluzby.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 270.5 kB (35%)

Content Size

776.9 kB

After Optimization

506.4 kB

In fact, the total size of Volny-cas.sluzby.cz main page is 776.9 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. 20% of websites need less resources to load. Javascripts take 505.2 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 124.3 kB

  • Original 141.5 kB
  • After minification 104.6 kB
  • After compression 17.2 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. This page needs HTML code to be minified as it can gain 36.9 kB, which is 26% 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 124.3 kB or 88% of the original size.

Image Optimization

-0%

Potential reduce by 10 B

  • Original 76.6 kB
  • After minification 76.6 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. Volny Cas Sluzby images are well optimized though.

JavaScript Optimization

-28%

Potential reduce by 141.3 kB

  • Original 505.2 kB
  • After minification 505.2 kB
  • After compression 363.9 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 141.3 kB or 28% of the original size.

CSS Optimization

-9%

Potential reduce by 4.8 kB

  • Original 53.5 kB
  • After minification 53.5 kB
  • After compression 48.7 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. Volny-cas.sluzby.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 5 (31%)

Requests Now

16

After Optimization

11

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Volny Cas Sluzby. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

volny-cas.sluzby.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.

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

volny-cas.sluzby.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

volny-cas.sluzby.cz SEO score

80

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Volny-cas.sluzby.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 Volny-cas.sluzby.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

Open Graph description is not detected on the main page of Volny Cas Sluzby. 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: