Tools & Wizards About Us
letenky-na-klic.cz screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

letenky-na-klic.cz

Výhodné ceny letenek a flexibilní servis - Airticket

Page Load Speed

16.2 sec in total

First Response

6.9 sec

Resources Loaded

8.9 sec

Page Rendered

310 ms

letenky-na-klic.cz screenshot

About Website

Click here to check amazing Letenky Na Klic content. Otherwise, check out these important facts you probably never knew about letenky-na-klic.cz

Vyhledáme Vám letenky s libovolným místem odletu i příletu za příznivé ceny. Výhodné ceny letenek a flexibilní servis.

Visit letenky-na-klic.cz

Key Findings

We analyzed Letenky-na-klic.cz page load time and found that the first response time was 6.9 sec and then it took 9.2 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

letenky-na-klic.cz performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.8 s

11/100

10%

LCP (Largest Contentful Paint)

Value6.0 s

13/100

25%

SI (Speed Index)

Value9.6 s

11/100

10%

TBT (Total Blocking Time)

Value1,100 ms

23/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

Network Requests Diagram

letenky-na-klic.cz

6944 ms

screen.css

108 ms

nivo-slider.css

212 ms

style.css

320 ms

banner.css

215 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 96% of them (53 requests) were addressed to the original Letenky-na-klic.cz, 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (6.9 sec) belongs to the original domain Letenky-na-klic.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 508.8 kB (27%)

Content Size

1.9 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Letenky-na-klic.cz main page is 1.9 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. 45% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 25.8 kB

  • Original 34.2 kB
  • After minification 29.7 kB
  • After compression 8.4 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 4.5 kB, which is 13% 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 25.8 kB or 76% of the original size.

Image Optimization

-1%

Potential reduce by 9.7 kB

  • Original 1.3 MB
  • After minification 1.2 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. Letenky Na Klic images are well optimized though.

JavaScript Optimization

-71%

Potential reduce by 279.3 kB

  • Original 393.0 kB
  • After minification 378.9 kB
  • After compression 113.7 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 279.3 kB or 71% of the original size.

CSS Optimization

-86%

Potential reduce by 194.0 kB

  • Original 226.3 kB
  • After minification 181.1 kB
  • After compression 32.4 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. Letenky-na-klic.cz needs all CSS files to be minified and compressed as it can save up to 194.0 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (63%)

Requests Now

54

After Optimization

20

  • Images
  • JavaScript
  • CSS

The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Letenky Na Klic. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

letenky-na-klic.cz

letenky-na-klic.cz

6944 ms

screen.css

screen.css

108 ms

nivo-slider.css

nivo-slider.css

212 ms

style.css

style.css

320 ms

banner.css

banner.css

215 ms

ohlasy.css

ohlasy.css

372 ms

button.css

button.css

719 ms

letenky-na-klic-cz.css

letenky-na-klic-cz.css

720 ms

colorbox.css

colorbox.css

333 ms

jquery-ui-1.8.9.custom.css

jquery-ui-1.8.9.custom.css

333 ms

tip-twitter.css

tip-twitter.css

423 ms

jquery-1.4.4.min.js

jquery-1.4.4.min.js

534 ms

jquery.livequery.js

jquery.livequery.js

429 ms

netteForms.js

netteForms.js

475 ms

jquery.nette.js

jquery.nette.js

526 ms

jquery.ajaxform.js

jquery.ajaxform.js

534 ms

jquery.colorbox.min.js

jquery.colorbox.min.js

581 ms

jquery.nivo.slider.pack.js

jquery.nivo.slider.pack.js

632 ms

jquery-ui-1.8.9.custom.min.js

jquery-ui-1.8.9.custom.min.js

749 ms

jquery.ui.datepicker-cs.js

jquery.ui.datepicker-cs.js

638 ms

jquery.poshytip.min.js

jquery.poshytip.min.js

686 ms

jquery.hoverIntent.minified.js

jquery.hoverIntent.minified.js

738 ms

base.js

base.js

743 ms

js.cookie.js

js.cookie.js

807 ms

bg.jpg

bg.jpg

550 ms

letenky_1.jpg

letenky_1.jpg

338 ms

letenky_2.jpg

letenky_2.jpg

553 ms

letenky_3.jpg

letenky_3.jpg

558 ms

letenky_4.jpg

letenky_4.jpg

666 ms

letenky-na-klic-cz.png

letenky-na-klic-cz.png

240 ms

13830500971137.jpg

13830500971137.jpg

357 ms

13716324174501.jpg

13716324174501.jpg

458 ms

13716300172617.jpg

13716300172617.jpg

466 ms

13867644497949.jpg

13867644497949.jpg

563 ms

analytics.js

analytics.js

15 ms

spinner.gif

spinner.gif

574 ms

menu_title_back_let.png

menu_title_back_let.png

643 ms

menu_search_back.png

menu_search_back.png

657 ms

menu_search_icon.png

menu_search_icon.png

658 ms

menu_star_let.png

menu_star_let.png

656 ms

header-menu.png

header-menu.png

688 ms

one-sidebar.png

one-sidebar.png

748 ms

button-second_let.png

button-second_let.png

785 ms

image-2-9.png

image-2-9.png

764 ms

image-2-36.png

image-2-36.png

765 ms

logo-airticket_white.png

logo-airticket_white.png

762 ms

footer_block_let.png

footer_block_let.png

808 ms

collect

collect

23 ms

overlay.png

overlay.png

805 ms

controls.png

controls.png

829 ms

border.png

border.png

820 ms

loading_background.png

loading_background.png

822 ms

loading.gif

loading.gif

844 ms

print.css

print.css

108 ms

opacity2.png

opacity2.png

160 ms

Accessibility Review

letenky-na-klic.cz accessibility score

83

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

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

letenky-na-klic.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

letenky-na-klic.cz SEO score

89

Search Engine Optimization Advices

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 Letenky-na-klic.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 Letenky-na-klic.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

letenky-na-klic.cz

Open Graph description is not detected on the main page of Letenky Na Klic. 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: