Tools & Wizards About Us
jk-plet.cz screenshot

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

jk-plet.cz

České povlečení a prostěradla přímo od výrobce - JK-plet.cz

Page Load Speed

4.5 sec in total

First Response

933 ms

Resources Loaded

3.4 sec

Page Rendered

221 ms

jk-plet.cz screenshot

About Website

Welcome to jk-plet.cz homepage info - get ready to check JK Plet best content right away, or after learning these important things about jk-plet.cz

Tradiční český výrobce ložního prádla, povlečení, prostěradel, ručníků a županů. Chcete českou kvalitu? Pak nakupte na JK-plet.cz přímo od výrobce.

Visit jk-plet.cz

Key Findings

We analyzed Jk-plet.cz page load time and found that the first response time was 933 ms and then it took 3.6 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

jk-plet.cz performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

30/100

10%

LCP (Largest Contentful Paint)

Value9.8 s

0/100

25%

SI (Speed Index)

Value5.8 s

49/100

10%

TBT (Total Blocking Time)

Value1,420 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.42

23/100

15%

TTI (Time to Interactive)

Value8.1 s

42/100

10%

Network Requests Diagram

jk-plet.cz

933 ms

stylesheet.css

935 ms

stylesheet_css_buttons.css

591 ms

jquery.tooltip.css

590 ms

jquery.fancybox-2.1.0.css

710 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 84% of them (36 requests) were addressed to the original Jk-plet.cz, 5% (2 requests) were made to C.imedia.cz and 5% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Jk-plet.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 179.3 kB (18%)

Content Size

1.0 MB

After Optimization

824.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jk-plet.cz main page is 1.0 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. 25% of websites need less resources to load. Images take 785.8 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 21.6 kB

  • Original 27.3 kB
  • After minification 23.9 kB
  • After compression 5.6 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. This page needs HTML code to be minified as it can gain 3.4 kB, which is 13% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 21.6 kB or 79% of the original size.

Image Optimization

-5%

Potential reduce by 42.8 kB

  • Original 785.8 kB
  • After minification 743.0 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. JK Plet images are well optimized though.

JavaScript Optimization

-56%

Potential reduce by 89.2 kB

  • Original 157.9 kB
  • After minification 151.5 kB
  • After compression 68.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 89.2 kB or 56% of the original size.

CSS Optimization

-78%

Potential reduce by 25.5 kB

  • Original 32.5 kB
  • After minification 24.1 kB
  • After compression 7.0 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. Jk-plet.cz needs all CSS files to be minified and compressed as it can save up to 25.5 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 19 (46%)

Requests Now

41

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JK Plet. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

jk-plet.cz

jk-plet.cz

933 ms

stylesheet.css

stylesheet.css

935 ms

stylesheet_css_buttons.css

stylesheet_css_buttons.css

591 ms

jquery.tooltip.css

jquery.tooltip.css

590 ms

jquery.fancybox-2.1.0.css

jquery.fancybox-2.1.0.css

710 ms

jquery.fancybox-buttons.css

jquery.fancybox-buttons.css

593 ms

jquery.fancybox-thumbs.css

jquery.fancybox-thumbs.css

593 ms

jquery-1.8.0.min.js

jquery-1.8.0.min.js

1292 ms

jquery.fancybox-2.1.0.min.js

jquery.fancybox-2.1.0.min.js

935 ms

jquery.mousewheel-3.0.6.min.js

jquery.mousewheel-3.0.6.min.js

710 ms

jquery.tooltip-1.3.js

jquery.tooltip-1.3.js

867 ms

jquery.fancybox-buttons.js

jquery.fancybox-buttons.js

824 ms

jquery.fancybox-media.js

jquery.fancybox-media.js

826 ms

jquery.fancybox-thumbs.js

jquery.fancybox-thumbs.js

941 ms

retargeting.js

retargeting.js

342 ms

analytics.js

analytics.js

51 ms

netfirmy130-blue-p1.png

netfirmy130-blue-p1.png

329 ms

top.jpg

top.jpg

122 ms

sipka01.gif

sipka01.gif

119 ms

logo-jk.gif

logo-jk.gif

125 ms

cudlik-1.gif

cudlik-1.gif

123 ms

sipka02.gif

sipka02.gif

128 ms

39.jpg

39.jpg

588 ms

1_detska-prosteradla-sandra-60-frote-standard-60-120-10.jpg

1_detska-prosteradla-sandra-60-frote-standard-60-120-10.jpg

463 ms

heureka_overeno_zakazniky.gif

heureka_overeno_zakazniky.gif

236 ms

big-logo.jpg

big-logo.jpg

1060 ms

JKPlet_11.jpg

JKPlet_11.jpg

616 ms

JKPlet_8.jpg

JKPlet_8.jpg

972 ms

JKPlet_10.jpg

JKPlet_10.jpg

1049 ms

rucnik-quality-bily.jpg

rucnik-quality-bily.jpg

580 ms

44.jpg

44.jpg

934 ms

spacer.gif

spacer.gif

1071 ms

prihlasit.gif

prihlasit.gif

733 ms

vytvorit_ucet.gif

vytvorit_ucet.gif

851 ms

nakupni_kosik.gif

nakupni_kosik.gif

969 ms

batika_small_spoc_150.jpg

batika_small_spoc_150.jpg

1050 ms

uplety_small.jpg

uplety_small.jpg

1087 ms

bottom-list.jpg

bottom-list.jpg

1088 ms

netfirmy130-blue-p2.png

netfirmy130-blue-p2.png

317 ms

retargeting

retargeting

117 ms

collect

collect

3 ms

collect

collect

56 ms

print_stylesheet.css

print_stylesheet.css

118 ms

Accessibility Review

jk-plet.cz accessibility score

80

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

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

jk-plet.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

jk-plet.cz SEO score

82

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

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

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

    CS

  • Language Claimed

    CS

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jk-plet.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 Jk-plet.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

jk-plet.cz

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