Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

jkproduct.cz

JKproduct - Přestavby, servis, služby LPG CNG | Hradec Králové

Page Load Speed

3.1 sec in total

First Response

162 ms

Resources Loaded

2.9 sec

Page Rendered

63 ms

jkproduct.cz screenshot

About Website

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

Realizovali jsme od roku 1990 přes 6 000 montáží LPG a CNG. Provozujeme i autoservis, pneuservis a čerpací stanico pro LPG a CNG.

Visit jkproduct.cz

Key Findings

We analyzed Jkproduct.cz page load time and found that the first response time was 162 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

jkproduct.cz performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

76/100

10%

LCP (Largest Contentful Paint)

Value8.9 s

1/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value1,700 ms

11/100

30%

CLS (Cumulative Layout Shift)

Value0.103

89/100

15%

TTI (Time to Interactive)

Value18.1 s

3/100

10%

Network Requests Diagram

www.jkproduct.cz

162 ms

minified.js

73 ms

focus-within-polyfill.js

66 ms

polyfill.min.js

864 ms

js

117 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Jkproduct.cz, 53% (30 requests) were made to Static.wixstatic.com and 39% (22 requests) were made to Static.parastorage.com. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Static.wixstatic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 585.7 kB (50%)

Content Size

1.2 MB

After Optimization

595.5 kB

In fact, the total size of Jkproduct.cz main page is 1.2 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. HTML takes 617.4 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 489.9 kB

  • Original 617.4 kB
  • After minification 615.8 kB
  • After compression 127.5 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 489.9 kB or 79% of the original size.

Image Optimization

-18%

Potential reduce by 47.7 kB

  • Original 267.7 kB
  • After minification 220.1 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, JKproduct needs image optimization as it can save up to 47.7 kB or 18% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-16%

Potential reduce by 48.1 kB

  • Original 296.0 kB
  • After minification 296.0 kB
  • After compression 247.9 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 48.1 kB or 16% of the original size.

Requests Breakdown

Number of requests can be reduced by 12 (26%)

Requests Now

47

After Optimization

35

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of JKproduct. 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 as a result speed up the page load time.

Accessibility Review

jkproduct.cz accessibility score

82

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

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

Best Practices

jkproduct.cz best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

jkproduct.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

    CS

  • Language Claimed

    CS

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jkproduct.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 Jkproduct.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 data is detected on the main page of JKproduct. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: