Tools & Wizards About Us

Report Summary

  • 68

    Performance

    Renders faster than
    80% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 88

    SEO

    Google-friendlier than
    65% of websites

levnelyze.cz

Lyže, běžky, snowboardy - Levné lyže

Page Load Speed

9.4 sec in total

First Response

365 ms

Resources Loaded

8.7 sec

Page Rendered

419 ms

About Website

Visit levnelyze.cz now to see the best up-to-date Levnelyze content for Czech Republic and also check out these interesting facts you probably never knew about levnelyze.cz

Lyže, běžky, snowboard. Lyže, snowboard, běžky, sjezdové lyže, prodej lyží, vázání, hůlky, chrániče páteře a další lyžařské potřeby.

Visit levnelyze.cz

Key Findings

We analyzed Levnelyze.cz page load time and found that the first response time was 365 ms and then it took 9.1 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

levnelyze.cz performance score

68

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.7 s

60/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

80/100

25%

SI (Speed Index)

Value6.5 s

39/100

10%

TBT (Total Blocking Time)

Value300 ms

79/100

30%

CLS (Cumulative Layout Shift)

Value0.233

53/100

15%

TTI (Time to Interactive)

Value6.3 s

61/100

10%

Network Requests Diagram

levnelyze.cz

365 ms

www.levnelyze.cz

1358 ms

jquery-ui.css

69 ms

modal.css

262 ms

jcemediabox.css

270 ms

Our browser made a total of 124 requests to load all elements on the main page. We found that 91% of them (113 requests) were addressed to the original Levnelyze.cz, 2% (2 requests) were made to Ajax.googleapis.com and 2% (2 requests) were made to C.imedia.cz. The less responsive or slowest element that took the longest time to load (5 sec) belongs to the original domain Levnelyze.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 652.5 kB (27%)

Content Size

2.4 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Levnelyze.cz main page is 2.4 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. 45% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 73.6 kB

  • Original 92.0 kB
  • After minification 90.1 kB
  • After compression 18.4 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. 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 73.6 kB or 80% of the original size.

Image Optimization

-3%

Potential reduce by 45.4 kB

  • Original 1.6 MB
  • After minification 1.5 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. Levnelyze images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 410.3 kB

  • Original 608.7 kB
  • After minification 594.4 kB
  • After compression 198.5 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 410.3 kB or 67% of the original size.

CSS Optimization

-83%

Potential reduce by 123.1 kB

  • Original 148.7 kB
  • After minification 108.0 kB
  • After compression 25.6 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. Levnelyze.cz needs all CSS files to be minified and compressed as it can save up to 123.1 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 66 (55%)

Requests Now

120

After Optimization

54

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 120 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Levnelyze. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 26 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

levnelyze.cz accessibility score

93

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

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

levnelyze.cz best practices score

83

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

Page has valid source maps

SEO Factors

levnelyze.cz SEO score

88

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

    CS

  • Encoding

    UTF-8

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