Tools & Wizards About Us
kralovna.cz screenshot

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 75

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 73

    SEO

    Google-friendlier than
    31% of websites

kralovna.cz

Královna.cz | Nejlevnější letenky

Page Load Speed

4.6 sec in total

First Response

354 ms

Resources Loaded

4.1 sec

Page Rendered

192 ms

kralovna.cz screenshot

About Website

Click here to check amazing Kralovna content for Czech Republic. Otherwise, check out these important facts you probably never knew about kralovna.cz

Nejlevnější letenky online. Skvělé ceny, speciální akce na letenky. K rezervaci letenky dárek. Nakupujte levné letenky na kralovna.cz a cestujte bez starostí.

Visit kralovna.cz

Key Findings

We analyzed Kralovna.cz page load time and found that the first response time was 354 ms and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

kralovna.cz performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value7.5 s

4/100

25%

SI (Speed Index)

Value6.9 s

34/100

10%

TBT (Total Blocking Time)

Value650 ms

46/100

30%

CLS (Cumulative Layout Shift)

Value0.264

47/100

15%

TTI (Time to Interactive)

Value12.2 s

15/100

10%

Network Requests Diagram

kralovna.cz

354 ms

www.kralovna.cz

821 ms

css

41 ms

css

58 ms

css

69 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 40% of them (22 requests) were addressed to the original Kralovna.cz, 38% (21 requests) were made to Brn-ads.sa.cz and 5% (3 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Dl.studentagency.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 76.4 kB (10%)

Content Size

768.4 kB

After Optimization

692.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kralovna.cz main page is 768.4 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. 25% of websites need less resources to load. Images take 433.4 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 30.0 kB

  • Original 38.3 kB
  • After minification 35.8 kB
  • After compression 8.2 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 30.0 kB or 79% of the original size.

Image Optimization

-10%

Potential reduce by 42.6 kB

  • Original 433.4 kB
  • After minification 390.8 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. Kralovna images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 2.5 kB

  • Original 231.1 kB
  • After minification 231.0 kB
  • After compression 228.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-2%

Potential reduce by 1.3 kB

  • Original 65.7 kB
  • After minification 65.7 kB
  • After compression 64.4 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. Kralovna.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 28 (57%)

Requests Now

49

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kralovna. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kralovna.cz

kralovna.cz

354 ms

www.kralovna.cz

www.kralovna.cz

821 ms

css

css

41 ms

css

css

58 ms

css

css

69 ms

font-awesome.min.css

font-awesome.min.css

38 ms

bootstrap.min.css

bootstrap.min.css

51 ms

jquery-ui-1.10.3.custom.css

jquery-ui-1.10.3.custom.css

115 ms

styles.min.css

styles.min.css

344 ms

select-theme-default.css

select-theme-default.css

350 ms

jquery.min.js

jquery.min.js

36 ms

slides-1.1.8.js

slides-1.1.8.js

1061 ms

jquery-ui.min.js

jquery-ui.min.js

43 ms

modernizr-custom.js

modernizr-custom.js

389 ms

jquery.jqtransform.js

jquery.jqtransform.js

388 ms

jquery.controls.js

jquery.controls.js

387 ms

components.js

components.js

581 ms

bootstrap.min.js

bootstrap.min.js

57 ms

tether.min.js

tether.min.js

458 ms

select.min.js

select.min.js

460 ms

jquery.slider.js

jquery.slider.js

464 ms

global.js

global.js

464 ms

datepicker-locale.js

datepicker-locale.js

465 ms

homepage.js

homepage.js

577 ms

cookie-consent.js

cookie-consent.js

62 ms

hp-provizni-prodejci.png

hp-provizni-prodejci.png

318 ms

foot-logos.jpg

foot-logos.jpg

206 ms

z7NFdQDnbTkabZAIOl9il_O6KJj73e7Ff0GmDuvMQg.ttf

z7NFdQDnbTkabZAIOl9il_O6KJj73e7Ff0GmDuvMQg.ttf

22 ms

bg.jpg

bg.jpg

227 ms

export_frame.php

export_frame.php

68 ms

export_frame.php

export_frame.php

67 ms

export_frame.php

export_frame.php

67 ms

export_frame.php

export_frame.php

1033 ms

export_frame.php

export_frame.php

1045 ms

export_frame.php

export_frame.php

1054 ms

desktop.svg

desktop.svg

552 ms

mobile.svg

mobile.svg

552 ms

gtm.js

gtm.js

547 ms

export_frame.php

export_frame.php

1003 ms

export_frame.php

export_frame.php

1004 ms

export_frame.php

export_frame.php

998 ms

akcne-ceny.block

akcne-ceny.block

614 ms

bg_6_banner.png

bg_6_banner.png

135 ms

dbfc5f7b5b6fc8ffeae2c74122c08d11.jpg

dbfc5f7b5b6fc8ffeae2c74122c08d11.jpg

452 ms

lg.php

lg.php

141 ms

6a615f5c41968f3f2aca2ffacba1bf1e.jpg

6a615f5c41968f3f2aca2ffacba1bf1e.jpg

348 ms

lg.php

lg.php

135 ms

a1949a6f37d9aee993024a4a43bd560e.jpg

a1949a6f37d9aee993024a4a43bd560e.jpg

342 ms

lg.php

lg.php

124 ms

7b9df0017898800bff13372ed42aa874.jpg

7b9df0017898800bff13372ed42aa874.jpg

566 ms

lg.php

lg.php

243 ms

f8450795747b51f0b46e9ee70ead489e.jpg

f8450795747b51f0b46e9ee70ead489e.jpg

457 ms

lg.php

lg.php

365 ms

188dbfdd07746d6ec722fb187bc1a96f.jpg

188dbfdd07746d6ec722fb187bc1a96f.jpg

781 ms

lg.php

lg.php

458 ms

Accessibility Review

kralovna.cz accessibility score

75

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

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.

Best Practices

kralovna.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

kralovna.cz SEO score

73

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kralovna.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 Kralovna.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

kralovna.cz

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