Tools & Wizards About Us
lyze-kola.cz screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

lyze-kola.cz

KOLACALEK.CZ

Page Load Speed

3.7 sec in total

First Response

391 ms

Resources Loaded

3 sec

Page Rendered

236 ms

lyze-kola.cz screenshot

About Website

Visit lyze-kola.cz now to see the best up-to-date Lyze Kola content and also check out these interesting facts you probably never knew about lyze-kola.cz

Prodejna jízdních kol a elektrokol v Uhlířských Janovicích.Vše od značek Specialized,Haibike,Apache,Winora

Visit lyze-kola.cz

Key Findings

We analyzed Lyze-kola.cz page load time and found that the first response time was 391 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

lyze-kola.cz performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

6/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.585

11/100

15%

TTI (Time to Interactive)

Value6.6 s

57/100

10%

Network Requests Diagram

lyze-kola.cz

391 ms

lyze-kola.cz

380 ms

www.lyze-kola.cz

808 ms

jquery.min.js

32 ms

jquery-ui.min.js

24 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 88% of them (57 requests) were addressed to the original Lyze-kola.cz, 5% (3 requests) were made to Static.bohemiasoft.com and 3% (2 requests) were made to Piwik.webareal.cz. The less responsive or slowest element that took the longest time to load (808 ms) belongs to the original domain Lyze-kola.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 129.5 kB (17%)

Content Size

777.2 kB

After Optimization

647.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Lyze-kola.cz main page is 777.2 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. 40% of websites need less resources to load. Images take 388.9 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 64.1 kB

  • Original 75.7 kB
  • After minification 60.8 kB
  • After compression 11.7 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 14.9 kB, which is 20% 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 64.1 kB or 85% of the original size.

Image Optimization

-10%

Potential reduce by 38.1 kB

  • Original 388.9 kB
  • After minification 350.8 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. Lyze Kola images are well optimized though.

JavaScript Optimization

-8%

Potential reduce by 20.4 kB

  • Original 244.8 kB
  • After minification 244.5 kB
  • After compression 224.4 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. This website has mostly compressed JavaScripts.

CSS Optimization

-10%

Potential reduce by 6.9 kB

  • Original 67.7 kB
  • After minification 67.6 kB
  • After compression 60.9 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. Lyze-kola.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 41 (67%)

Requests Now

61

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lyze Kola. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

lyze-kola.cz

lyze-kola.cz

391 ms

lyze-kola.cz

lyze-kola.cz

380 ms

www.lyze-kola.cz

www.lyze-kola.cz

808 ms

jquery.min.js

jquery.min.js

32 ms

jquery-ui.min.js

jquery-ui.min.js

24 ms

jquery.hoverIntent.minified.js

jquery.hoverIntent.minified.js

96 ms

jquery.qtip.min.js

jquery.qtip.min.js

193 ms

jquery.selectBoxIt.min.js

jquery.selectBoxIt.min.js

276 ms

bs_overlay.js

bs_overlay.js

277 ms

bs_design.js

bs_design.js

277 ms

wa_translation.js

wa_translation.js

288 ms

jquery.selectBoxIt.wa_script.css

jquery.selectBoxIt.wa_script.css

291 ms

jquery.qtip.lupa.css

jquery.qtip.lupa.css

292 ms

flaticon.css

flaticon.css

366 ms

jquery.colorbox-min.js

jquery.colorbox-min.js

367 ms

colorbox.css

colorbox.css

369 ms

lang_cs.css

lang_cs.css

383 ms

styles.css

styles.css

386 ms

javascripts.js

javascripts.js

489 ms

check_tel.js

check_tel.js

457 ms

bs_user.js

bs_user.js

457 ms

bs_fce.js

bs_fce.js

457 ms

bs_fixed_bar.js

bs_fixed_bar.js

478 ms

bs.js

bs.js

481 ms

jquery.number.min.js

jquery.number.min.js

547 ms

modernizr.custom.js

modernizr.custom.js

548 ms

style.css

style.css

509 ms

font-awesome.4.7.0.min.css

font-awesome.4.7.0.min.css

549 ms

product_var3.css

product_var3.css

574 ms

colors.css

colors.css

584 ms

xenon.css

xenon.css

599 ms

user_defined.css

user_defined.css

586 ms

wa_dialogs.js

wa_dialogs.js

636 ms

search_autocompleter.js

search_autocompleter.js

636 ms

magnific-popup.css

magnific-popup.css

637 ms

jquery.magnific-popup.js

jquery.magnific-popup.js

668 ms

select2.min.js

select2.min.js

678 ms

maximize-select2-height.min.js

maximize-select2-height.min.js

678 ms

select2.min.css

select2.min.css

726 ms

app.js

app.js

726 ms

jquery.validate.min.js

jquery.validate.min.js

728 ms

rc.js

rc.js

591 ms

piwik.js

piwik.js

777 ms

wa_url_translator.js

wa_url_translator.js

761 ms

responsiveMenu.js

responsiveMenu.js

772 ms

style.min.css

style.min.css

241 ms

tex_light.png

tex_light.png

101 ms

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gen__vyr_660995222-51_LEVO-COMP-ALLOY-CBLT-LTSIL_HERO.webp

102 ms

gen__vyr_120specialized-helma-s-works-women-s-prevail-ii.jpg

gen__vyr_120specialized-helma-s-works-women-s-prevail-ii.jpg

101 ms

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gen__vyr_625530016-4001_1.jpg

183 ms

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274 ms

empty.gif

empty.gif

99 ms

gen__vyr_6847649141c15e-31033-001-1.jpg

gen__vyr_6847649141c15e-31033-001-1.jpg

275 ms

gen__vyr_674164422-921_APP_TRAIL-SWAT-JACKET-MEN-BLK-M_HERO.webp

gen__vyr_674164422-921_APP_TRAIL-SWAT-JACKET-MEN-BLK-M_HERO.webp

192 ms

gen__vyr_661673320-03_SJ-SW-CARBON-29-FRM-OAKGRN-BNZFL_HERO--1.webp

gen__vyr_661673320-03_SJ-SW-CARBON-29-FRM-OAKGRN-BNZFL_HERO--1.webp

192 ms

gen__vyr_662990422-72_COMO-30-REDTNT-SILREFL_HERO.jpg

gen__vyr_662990422-72_COMO-30-REDTNT-SILREFL_HERO.jpg

291 ms

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640 ms

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287 ms

gen__vyr_660995222-51_LEVO-COMP-ALLOY-CBLT-LTSIL_HERO.webp

gen__vyr_660995222-51_LEVO-COMP-ALLOY-CBLT-LTSIL_HERO.webp

288 ms

_vyrn_655696422-50_LEVO-COMP-CARBON-BLK-LTSIL-BLK_HERO.jpg

_vyrn_655696422-50_LEVO-COMP-CARBON-BLK-LTSIL-BLK_HERO.jpg

455 ms

gen__vyr_651596820-54_LEVO-SL-COMP-CARBON-TARBLK-GUN_HERO.webp

gen__vyr_651596820-54_LEVO-SL-COMP-CARBON-TARBLK-GUN_HERO.webp

365 ms

gen__vyr_651496821-55_LEVO-SL-COMP-CARBON-FLORED-BLK_HERO.webp

gen__vyr_651496821-55_LEVO-SL-COMP-CARBON-FLORED-BLK_HERO.webp

384 ms

custom_image_logo.jpg

custom_image_logo.jpg

416 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

505 ms

piwik.php

piwik.php

133 ms

Accessibility Review

lyze-kola.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

Best Practices

lyze-kola.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

Page has valid source maps

SEO Factors

lyze-kola.cz SEO score

90

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 Lyze-kola.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 Lyze-kola.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

lyze-kola.cz

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