Report Summary

  • 27

    Performance

    Renders faster than
    47% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 42

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

ceskevylety.cz

?esk? v?lety - dovolen? v ?R, tipy na v?let v ?R

Page Load Speed

45.7 sec in total

First Response

387 ms

Resources Loaded

44.2 sec

Page Rendered

1.1 sec

ceskevylety.cz screenshot

About Website

Welcome to ceskevylety.cz homepage info - get ready to check C Esk Evy Lety best content for Czech Republic right away, or after learning these important things about ceskevylety.cz

Visit ceskevylety.cz

Key Findings

We analyzed Ceskevylety.cz page load time and found that the first response time was 387 ms and then it took 45.3 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

ceskevylety.cz performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

20/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value1,030 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value0.14

79/100

15%

TTI (Time to Interactive)

Value13.9 s

10/100

10%

Network Requests Diagram

ceskevylety.cz

387 ms

www.ceskevylety.cz

975 ms

ado.js

125 ms

screen.css

251 ms

cechy.css

378 ms

Our browser made a total of 167 requests to load all elements on the main page. We found that 29% of them (49 requests) were addressed to the original Ceskevylety.cz, 20% (33 requests) were made to Cv.design-green-cat.com and 6% (10 requests) were made to S0.2mdn.net. The less responsive or slowest element that took the longest time to load (20.3 sec) relates to the external source Impcz.adocean.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 580.4 kB (20%)

Content Size

2.9 MB

After Optimization

2.4 MB

In fact, the total size of Ceskevylety.cz main page is 2.9 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. 60% of websites need less resources to load. Images take 2.3 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 64.2 kB

  • Original 81.2 kB
  • After minification 74.4 kB
  • After compression 17.0 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 64.2 kB or 79% of the original size.

Image Optimization

-6%

Potential reduce by 136.8 kB

  • Original 2.3 MB
  • After minification 2.2 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. C Esk Evy Lety images are well optimized though.

JavaScript Optimization

-62%

Potential reduce by 251.6 kB

  • Original 408.0 kB
  • After minification 401.8 kB
  • After compression 156.4 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 251.6 kB or 62% of the original size.

CSS Optimization

-85%

Potential reduce by 127.8 kB

  • Original 150.4 kB
  • After minification 110.4 kB
  • After compression 22.6 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. Ceskevylety.cz needs all CSS files to be minified and compressed as it can save up to 127.8 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 93 (59%)

Requests Now

158

After Optimization

65

The browser has sent 158 CSS, Javascripts, AJAX and image requests in order to completely render the main page of C Esk Evy Lety. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 44 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ceskevylety.cz accessibility score

65

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

[aria-*] attributes do not match their roles

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

ceskevylety.cz best practices score

42

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

ceskevylety.cz SEO score

58

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

Language and Encoding

  • Language Detected

    CS

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ceskevylety.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 Ceskevylety.cz main page’s claimed encoding is windows-1250. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of C Esk Evy Lety. 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: