Report Summary

  • 49

    Performance

    Renders faster than
    68% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 69

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

lkcr.cz

Česká lékařská komora

Page Load Speed

4.2 sec in total

First Response

450 ms

Resources Loaded

3 sec

Page Rendered

751 ms

lkcr.cz screenshot

About Website

Click here to check amazing Lkcr content for Czech Republic. Otherwise, check out these important facts you probably never knew about lkcr.cz

Stavovská organizace lékařů České republiky zaručující odbornost svých členů a potvrzující splnění podmínek k výkonu lékařského povolání.

Visit lkcr.cz

Key Findings

We analyzed Lkcr.cz page load time and found that the first response time was 450 ms and then it took 3.8 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

lkcr.cz performance score

49

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

2/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.144

78/100

15%

TTI (Time to Interactive)

Value8.6 s

38/100

10%

Network Requests Diagram

aktuality-322.html

450 ms

jquery-ui.css

231 ms

design.css

338 ms

custom.css

229 ms

global.css

234 ms

Our browser made a total of 67 requests to load all elements on the main page. We found that 76% of them (51 requests) were addressed to the original Lkcr.cz, 12% (8 requests) were made to Google.com and 4% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Lkcr.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 437.6 kB (51%)

Content Size

866.0 kB

After Optimization

428.4 kB

In fact, the total size of Lkcr.cz main page is 866.0 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. 45% of websites need less resources to load. Javascripts take 437.7 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 36.9 kB

  • Original 47.0 kB
  • After minification 44.2 kB
  • After compression 10.1 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 36.9 kB or 78% of the original size.

Image Optimization

-16%

Potential reduce by 46.1 kB

  • Original 287.1 kB
  • After minification 241.0 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. Obviously, Lkcr needs image optimization as it can save up to 46.1 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-63%

Potential reduce by 275.4 kB

  • Original 437.7 kB
  • After minification 417.6 kB
  • After compression 162.4 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 275.4 kB or 63% of the original size.

CSS Optimization

-84%

Potential reduce by 79.3 kB

  • Original 94.2 kB
  • After minification 71.0 kB
  • After compression 14.9 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. Lkcr.cz needs all CSS files to be minified and compressed as it can save up to 79.3 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (59%)

Requests Now

58

After Optimization

24

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lkcr. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

lkcr.cz accessibility score

83

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.

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

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

lkcr.cz best practices score

69

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

SEO Factors

lkcr.cz SEO score

69

Search Engine Optimization Advices

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 Lkcr.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 Lkcr.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 Lkcr. 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: