Access cyklistevitani.cz. CYKLISTÉ VÍTÁNI - NÁRODNÍ CERTIFIKACE SLUŽEB PRO CYKLISTY - cyklistika, cykloturistika, cestování

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value14.3 s

0/100

25%

SI (Speed Index)

Value12.0 s

4/100

10%

TBT (Total Blocking Time)

Value2,840 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.015

100/100

15%

TTI (Time to Interactive)

Value15.5 s

7/100

10%

uvod.aspx

1489 ms

GetResource.ashx

345 ms

GetResource.ashx

728 ms

GetCSS.aspx

247 ms

wvs3cnp.js

182 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 95% of them (87 requests) were addressed to the original Cyklistevitani.cz, 2% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Cyklistevitani.cz.

Content Size

1.1 MB

After Optimization

418.9 kB

In fact, the total size of Cyklistevitani.cz main page is 1.1 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. 30% of websites need less resources to load. Javascripts take 618.3 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 62.8 kB

Original 84.6 kB
After minification 78.8 kB
After compression 21.8 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 62.8 kB or 74% of the original size.

Image Optimization

-7%

Potential reduce by 20.1 kB

Original 285.3 kB
After minification 265.2 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. Cyklistevitani images are well optimized though.

JavaScript Optimization

-80%

Potential reduce by 497.3 kB

Original 618.3 kB
After minification 366.5 kB
After compression 121.0 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 497.3 kB or 80% of the original size.

CSS Optimization

-84%

Potential reduce by 57.4 kB

Original 68.2 kB
After minification 67.8 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. Cyklistevitani.cz needs all CSS files to be minified and compressed as it can save up to 57.4 kB or 84% of the original size.

Requests Now

After Optimization

The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cyklistevitani. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Issues

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.

High

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

These items highlight common accessibility best practices.

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

Low

Detected JavaScript libraries

Search Engine Optimization Advices

Format your HTML in a way that enables crawlers to better understand your app’s content.

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

EN
Language Claimed

N/A
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cyklistevitani.cz can be misinterpreted by Google and other search engines. Our service has detected that English 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 Cyklistevitani.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

cyklistevitani.cz

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

Report Summary

Performance

Accessibility

Best Practices

SEO

CYKLISTÉ VÍTÁNI - NÁRODNÍ CERTIFIKACE SLUŽEB PRO CYKLISTY - cyklistika, cykloturistika, cestování – Cyklisté vítáni

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

uvod.aspx

GetResource.ashx

GetResource.ashx

GetCSS.aspx

wvs3cnp.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

uvod.aspx

GetResource.ashx

GetResource.ashx

GetCSS.aspx

wvs3cnp.js

jquery-core.js

jquery-tools.js

jquery.lightbox-0.5.js

jquery.expander.min.js

scrollable.js

WebResource.axd

ScriptResource.axd

ScriptResource.axd

ga.js

bg.jpg

logo.png

map.png

2523a.aspx

2548a.aspx

10184a.aspx

10186a.aspx

10216a.aspx

10472a.aspx

10820a.aspx

10878a.aspx

10891a.aspx

ncs.png

mmr.jpg

kentico.png

header.jpg

bg-foot.jpg

ico-link-green.png

ico-link-cykliste-active.png

ico-link-stezky.png

ico-link-labska.png

ico-link-praha.png

ico-link-bovi.png

nadace.png

lang-cs.png

lang-en.png

lang-de.png

search-bg.png

search-input.png