Tools & Wizards About Us

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 58% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

cyklosvec.cz

CYKLO?VEC s.r.o. | Prodej kol a cyklistick?ho vybaven?

Page Load Speed

5.2 sec in total

First Response

208 ms

Resources Loaded

4.4 sec

Page Rendered

571 ms

About Website

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

Prod?v?me kola, elektrokola a cyklistick? vybaven? pro za??te?n?ky i profesion?ln? jezdce. A? u? sh?n?te z?vodn? kolo nebo n?hradn? sv?tla, u n?s to najdete.

Visit cyklosvec.cz

Key Findings

We analyzed Cyklosvec.cz page load time and found that the first response time was 208 ms and then it took 5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

cyklosvec.cz performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value15.5 s

0/100

25%

SI (Speed Index)

Value11.2 s

5/100

10%

TBT (Total Blocking Time)

Value1,440 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.03

100/100

15%

TTI (Time to Interactive)

Value20.6 s

2/100

10%

Network Requests Diagram

cyklosvec.cz

208 ms

cyklosvec.cz

389 ms

www.cyklosvec.cz

1509 ms

gtm.js

59 ms

styles.css

244 ms

Our browser made a total of 115 requests to load all elements on the main page. We found that 91% of them (105 requests) were addressed to the original Cyklosvec.cz, 2% (2 requests) were made to Ajax.googleapis.com and 2% (2 requests) were made to Embed.outfindo.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Cyklosvec.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 932.3 kB (24%)

Content Size

3.8 MB

After Optimization

2.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cyklosvec.cz main page is 3.8 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. 65% of websites need less resources to load. Images take 2.9 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 544.1 kB

  • Original 593.1 kB
  • After minification 566.8 kB
  • After compression 49.0 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 544.1 kB or 92% of the original size.

Image Optimization

-13%

Potential reduce by 374.5 kB

  • Original 2.9 MB
  • After minification 2.5 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. Obviously, CYKLO S VEC needs image optimization as it can save up to 374.5 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-4%

Potential reduce by 13.3 kB

  • Original 359.0 kB
  • After minification 359.0 kB
  • After compression 345.7 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

-3%

Potential reduce by 320 B

  • Original 11.2 kB
  • After minification 11.2 kB
  • After compression 10.9 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. Cyklosvec.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 22 (20%)

Requests Now

110

After Optimization

88

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 110 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CYKLO S VEC. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

cyklosvec.cz accessibility score

85

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-hidden="true"] elements contain focusable descendents

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

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

cyklosvec.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

cyklosvec.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

    N/A

  • Language Claimed

    CS

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cyklosvec.cz can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is Czech. Our system also found out that Cyklosvec.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 CYKLO S VEC. 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: