Tools & Wizards About Us

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

letni-detske-tabory.cz

Letní dětské tábory 2025 - dětské tábory v létě 2025

Page Load Speed

9.1 sec in total

First Response

524 ms

Resources Loaded

7.4 sec

Page Rendered

1.1 sec

About Website

Click here to check amazing Letni Detske Tabory content for Czech Republic. Otherwise, check out these important facts you probably never knew about letni-detske-tabory.cz

Letní dětské tábory 2025 - dětské tábory v létě 2025. Seznamte se s nabídkou turnusů, programu a aktivit. Přihlaste své dítě na poctivý letní dětský tábor.

Visit letni-detske-tabory.cz

Key Findings

We analyzed Letni-detske-tabory.cz page load time and found that the first response time was 524 ms and then it took 8.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

letni-detske-tabory.cz performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value7.6 s

26/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.173

69/100

15%

TTI (Time to Interactive)

Value10.9 s

21/100

10%

Network Requests Diagram

www.letni-detske-tabory.cz

524 ms

style.css

205 ms

tsc_button_styles.css

208 ms

jquery.min.js

26 ms

jquery-1.10.2.min.js

514 ms

Our browser made a total of 134 requests to load all elements on the main page. We found that 68% of them (91 requests) were addressed to the original Letni-detske-tabory.cz, 15% (20 requests) were made to Static.xx.fbcdn.net and 7% (9 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Letni-detske-tabory.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 533.1 kB (14%)

Content Size

3.7 MB

After Optimization

3.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Letni-detske-tabory.cz main page is 3.7 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 70% of websites need less resources to load. Images take 3.5 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 41.5 kB

  • Original 54.6 kB
  • After minification 47.2 kB
  • After compression 13.1 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 7.4 kB, which is 14% 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 41.5 kB or 76% of the original size.

Image Optimization

-11%

Potential reduce by 372.0 kB

  • Original 3.5 MB
  • After minification 3.1 MB

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, Letni Detske Tabory needs image optimization as it can save up to 372.0 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-58%

Potential reduce by 102.0 kB

  • Original 176.1 kB
  • After minification 176.1 kB
  • After compression 74.1 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 102.0 kB or 58% of the original size.

CSS Optimization

-81%

Potential reduce by 17.6 kB

  • Original 21.7 kB
  • After minification 16.9 kB
  • After compression 4.1 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. Letni-detske-tabory.cz needs all CSS files to be minified and compressed as it can save up to 17.6 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (23%)

Requests Now

131

After Optimization

101

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 131 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Letni Detske Tabory. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

letni-detske-tabory.cz accessibility score

76

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

High

Links do not have a discernible 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.

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

letni-detske-tabory.cz 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

letni-detske-tabory.cz SEO score

91

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

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Letni-detske-tabory.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 Letni-detske-tabory.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 Letni Detske Tabory. 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: