Tools & Wizards About Us
aletenky.cz screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 63

    Accessibility

    Visual factors better than
    that of 28% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

aletenky.cz

Cheap Flights, Airline Tickets & Airfare Deals | Kiwi.com

Page Load Speed

1.3 sec in total

First Response

135 ms

Resources Loaded

1 sec

Page Rendered

93 ms

aletenky.cz screenshot

About Website

Welcome to aletenky.cz homepage info - get ready to check Aletenky best content for Czech Republic right away, or after learning these important things about aletenky.cz

Cheap flights, hotels, and car hire with 24/7 customer support & Disruption protection. Discover a new way of traveling with our interactive map, airport, and destination guides in your pocket.

Visit aletenky.cz

Key Findings

We analyzed Aletenky.cz page load time and found that the first response time was 135 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

aletenky.cz performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

74/100

10%

LCP (Largest Contentful Paint)

Value3.5 s

63/100

25%

SI (Speed Index)

Value4.4 s

74/100

10%

TBT (Total Blocking Time)

Value2,460 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.007

100/100

15%

TTI (Time to Interactive)

Value13.5 s

11/100

10%

Network Requests Diagram

aletenky.cz

135 ms

330 ms

tailwind.travel.1dbcdfa3.css

128 ms

continents.5c9adfbd.js

18 ms

intl.ce74b2e8.js

101 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Aletenky.cz, 72% (31 requests) were made to Kiwi.com and 7% (3 requests) were made to Images.kiwi.com. The less responsive or slowest element that took the longest time to load (377 ms) relates to the external source Kiwi.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 334.3 kB (24%)

Content Size

1.4 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Aletenky.cz main page is 1.4 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Javascripts take 694.4 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 333.8 kB

  • Original 390.1 kB
  • After minification 389.7 kB
  • After compression 56.3 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 333.8 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 252.2 kB
  • After minification 252.2 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. Aletenky images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 505 B

  • Original 694.4 kB
  • After minification 694.4 kB
  • After compression 693.9 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 51.8 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.

Requests Breakdown

Number of requests can be reduced by 31 (76%)

Requests Now

41

After Optimization

10

  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Aletenky. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 32 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

aletenky.cz

aletenky.cz

135 ms

330 ms

tailwind.travel.1dbcdfa3.css

tailwind.travel.1dbcdfa3.css

128 ms

continents.5c9adfbd.js

continents.5c9adfbd.js

18 ms

intl.ce74b2e8.js

intl.ce74b2e8.js

101 ms

intl-icu.a69b94ba.js

intl-icu.a69b94ba.js

66 ms

language.8037708a.js

language.8037708a.js

116 ms

legacy-content-messages.34b83357.js

legacy-content-messages.34b83357.js

96 ms

kiwicom.8c773790.js

kiwicom.8c773790.js

64 ms

runtime.e9a2f8d9.js

runtime.e9a2f8d9.js

82 ms

npm.date-fns.locale-en-US.fabbb436.js

npm.date-fns.locale-en-US.fabbb436.js

128 ms

npm.date-fns.locale-_lib.c4c6b8dc.js

npm.date-fns.locale-_lib.c4c6b8dc.js

97 ms

npm.date-fns.93809027.js

npm.date-fns.93809027.js

199 ms

npm.ramda.1f382b75.js

npm.ramda.1f382b75.js

203 ms

npm.core-js.6a0e2a02.js

npm.core-js.6a0e2a02.js

115 ms

npm.sentry__core.8c797666.js

npm.sentry__core.8c797666.js

200 ms

npm.sentry__utils.a7f5b077.js

npm.sentry__utils.a7f5b077.js

127 ms

npm.sentry__browser.0813e205.js

npm.sentry__browser.0813e205.js

206 ms

npm.relay-runtime.9794227e.js

npm.relay-runtime.9794227e.js

206 ms

npm.react-relay.019ea9fd.js

npm.react-relay.019ea9fd.js

203 ms

npm.remix-run__router.77dd7eea.js

npm.remix-run__router.77dd7eea.js

209 ms

npm.react-dom.a75bfbab.js

npm.react-dom.a75bfbab.js

263 ms

npm.popperjs__core.d905f124.js

npm.popperjs__core.d905f124.js

203 ms

npm.graphql.bfe7ed63.js

npm.graphql.bfe7ed63.js

204 ms

9554.fef40d9f.js

9554.fef40d9f.js

377 ms

travel.a4b40e19.js

travel.a4b40e19.js

207 ms

npm.kiwicom__nitro.lib-components-MagicLogin-index.45ec5b23.js

npm.kiwicom__nitro.lib-components-MagicLogin-index.45ec5b23.js

264 ms

npm.kiwicom__nitro.lib-components-MagicLogin-consts-events.1e059dc4.js

npm.kiwicom__nitro.lib-components-MagicLogin-consts-events.1e059dc4.js

264 ms

npm.kiwicom__nitro.lib-components-MagicLogin-components-screens-CreateAccount-index.19f29553.js

npm.kiwicom__nitro.lib-components-MagicLogin-components-screens-CreateAccount-index.19f29553.js

263 ms

9312.17ceaae6.js

9312.17ceaae6.js

374 ms

MagicLogin.5149fb96.js

MagicLogin.5149fb96.js

263 ms

TopRoutesPage.ea7a19de.js

TopRoutesPage.ea7a19de.js

375 ms

kiwicom-logo.svg

kiwicom-logo.svg

52 ms

images.skypicker.com

images.skypicker.com

161 ms

flag-gb.jpg

flag-gb.jpg

142 ms

desktop-bg@2x.png

desktop-bg@2x.png

143 ms

images.skypicker.com

images.skypicker.com

140 ms

images.skypicker.com

images.skypicker.com

146 ms

gtm.js

gtm.js

93 ms

landing

landing

164 ms

js

js

71 ms

analytics.js

analytics.js

150 ms

collect

collect

16 ms

Accessibility Review

aletenky.cz accessibility score

63

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

button, link, and menuitem elements do not have accessible names.

High

[role]s do not have all required [aria-*] attributes

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

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

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

aletenky.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

aletenky.cz SEO score

100

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Aletenky.cz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Aletenky.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

aletenky.cz

Open Graph data is detected on the main page of Aletenky. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: