Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 50

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

ludvikl.chytrazena.cz

Chytr? ?ena

Page Load Speed

6.7 sec in total

First Response

1.2 sec

Resources Loaded

5.3 sec

Page Rendered

228 ms

ludvikl.chytrazena.cz screenshot

About Website

Welcome to ludvikl.chytrazena.cz homepage info - get ready to check Ludvikl Chytr Az Ena best content for Czech Republic right away, or after learning these important things about ludvikl.chytrazena.cz

Visit ludvikl.chytrazena.cz

Key Findings

We analyzed Ludvikl.chytrazena.cz page load time and found that the first response time was 1.2 sec and then it took 5.5 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

ludvikl.chytrazena.cz performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.2 s

1/100

10%

LCP (Largest Contentful Paint)

Value15.3 s

0/100

25%

SI (Speed Index)

Value22.7 s

0/100

10%

TBT (Total Blocking Time)

Value5,090 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value25.6 s

0/100

10%

Network Requests Diagram

ludvikl.chytrazena.cz

1221 ms

load.php

777 ms

skripty3.js

780 ms

ajax.js

666 ms

scroll.js

667 ms

Our browser made a total of 177 requests to load all elements on the main page. We found that 7% of them (12 requests) were addressed to the original Ludvikl.chytrazena.cz, 12% (22 requests) were made to Img.topmedia.cz and 6% (10 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Ludvikl.chytrazena.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 577.0 kB (46%)

Content Size

1.3 MB

After Optimization

680.2 kB

In fact, the total size of Ludvikl.chytrazena.cz main page is 1.3 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. Javascripts take 803.7 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 71.9 kB

  • Original 98.3 kB
  • After minification 91.7 kB
  • After compression 26.4 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 71.9 kB or 73% of the original size.

Image Optimization

-5%

Potential reduce by 16.4 kB

  • Original 342.1 kB
  • After minification 325.7 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. Ludvikl Chytr Az Ena images are well optimized though.

JavaScript Optimization

-60%

Potential reduce by 478.5 kB

  • Original 803.7 kB
  • After minification 780.4 kB
  • After compression 325.2 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 478.5 kB or 60% of the original size.

CSS Optimization

-78%

Potential reduce by 10.2 kB

  • Original 13.2 kB
  • After minification 11.7 kB
  • After compression 2.9 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. Ludvikl.chytrazena.cz needs all CSS files to be minified and compressed as it can save up to 10.2 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 105 (62%)

Requests Now

169

After Optimization

64

The browser has sent 169 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ludvikl Chytr Az Ena. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 56 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

ludvikl.chytrazena.cz accessibility score

50

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

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

High

<input type="image"> elements do not have [alt] text

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

ludvikl.chytrazena.cz best practices score

58

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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

ludvikl.chytrazena.cz SEO score

62

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

    N/A

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ludvikl.chytrazena.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) and no language is claimed in <html> or <meta> tags either. Our system also found out that Ludvikl.chytrazena.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 Ludvikl Chytr Az Ena. 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: