Tools & Wizards About Us
kourkova.cz screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

kourkova.cz

Pavlína Kourková

Page Load Speed

4.6 sec in total

First Response

591 ms

Resources Loaded

3.7 sec

Page Rendered

296 ms

kourkova.cz screenshot

About Website

Welcome to kourkova.cz homepage info - get ready to check Kourkova best content right away, or after learning these important things about kourkova.cz

Ilustrace

Visit kourkova.cz

Key Findings

We analyzed Kourkova.cz page load time and found that the first response time was 591 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

kourkova.cz performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.6 s

14/100

10%

LCP (Largest Contentful Paint)

Value25.1 s

0/100

25%

SI (Speed Index)

Value9.1 s

13/100

10%

TBT (Total Blocking Time)

Value2,520 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value10.6 s

23/100

10%

Network Requests Diagram

591 ms

1rro1y.css

44 ms

19omkx.css

61 ms

2cxz9u.css

70 ms

2rdzz2.css

59 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 4% of them (1 request) were addressed to the original Kourkova.cz, 48% (11 requests) were made to D1di2lzuh97fh2.cloudfront.net and 39% (9 requests) were made to 8346cdd79a.clvaw-cdnwnd.com. The less responsive or slowest element that took the longest time to load (922 ms) relates to the external source 8346cdd79a.clvaw-cdnwnd.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 207.4 kB (25%)

Content Size

820.5 kB

After Optimization

613.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kourkova.cz main page is 820.5 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. 50% of websites need less resources to load. Images take 473.7 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 39.6 kB

  • Original 52.4 kB
  • After minification 50.0 kB
  • After compression 12.8 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 39.6 kB or 76% of the original size.

Image Optimization

-35%

Potential reduce by 166.8 kB

  • Original 473.7 kB
  • After minification 306.9 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, Kourkova needs image optimization as it can save up to 166.8 kB or 35% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 111 B

  • Original 156.0 kB
  • After minification 156.0 kB
  • After compression 155.9 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

-1%

Potential reduce by 838 B

  • Original 138.3 kB
  • After minification 138.3 kB
  • After compression 137.5 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. Kourkova.cz has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 10 (45%)

Requests Now

22

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kourkova. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

591 ms

1rro1y.css

1rro1y.css

44 ms

19omkx.css

19omkx.css

61 ms

2cxz9u.css

2cxz9u.css

70 ms

2rdzz2.css

2rdzz2.css

59 ms

11lw7n.css

11lw7n.css

468 ms

0dscwu.css

0dscwu.css

88 ms

0g0ezi.js

0g0ezi.js

622 ms

lang.en.1308.js

lang.en.1308.js

340 ms

compiled.multi.2-1643.js

compiled.multi.2-1643.js

88 ms

gtm.js

gtm.js

146 ms

PK-69.jpg

PK-69.jpg

546 ms

image-crop-200002053-1.gif

image-crop-200002053-1.gif

895 ms

novy-2.png

novy-2.png

631 ms

14-9.gif

14-9.gif

530 ms

m3-6.gif

m3-6.gif

604 ms

Cemerice_02-5.gif

Cemerice_02-5.gif

540 ms

02.png

02.png

922 ms

03.png

03.png

909 ms

01.png

01.png

914 ms

3pq60x.png

3pq60x.png

63 ms

04pi85.css

04pi85.css

7 ms

js

js

63 ms

Accessibility Review

kourkova.cz accessibility score

86

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.

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

Links do not have a discernible name

Best Practices

kourkova.cz best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

kourkova.cz SEO score

99

Search Engine Optimization Advices

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

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kourkova.cz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Kourkova.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

kourkova.cz

Open Graph data is detected on the main page of Kourkova. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: