Tools & Wizards About Us
kvrezac.cz screenshot

Report Summary

  • 14

    Performance

    Renders faster than
    26% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 89

    SEO

    Google-friendlier than
    66% of websites

kvrezac.cz

Sportovní a ochranné sítě, sítě pro průmysl i zábavu | Kv.Řezáč

Page Load Speed

5.6 sec in total

First Response

360 ms

Resources Loaded

4.9 sec

Page Rendered

391 ms

kvrezac.cz screenshot

About Website

Visit kvrezac.cz now to see the best up-to-date Kv Rezac content for Czech Republic and also check out these interesting facts you probably never knew about kvrezac.cz

Potřebujete kvalitní síť? Patříme k předním výrobcům sportovních a ochranných sítí. Dále vyrábíme sítě pro hru a zábavu a sítě pro průmyslové využití.

Visit kvrezac.cz

Key Findings

We analyzed Kvrezac.cz page load time and found that the first response time was 360 ms and then it took 5.3 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

kvrezac.cz performance score

14

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.8 s

4/100

10%

LCP (Largest Contentful Paint)

Value12.8 s

0/100

25%

SI (Speed Index)

Value8.4 s

18/100

10%

TBT (Total Blocking Time)

Value1,170 ms

21/100

30%

CLS (Cumulative Layout Shift)

Value0.435

21/100

15%

TTI (Time to Interactive)

Value10.9 s

21/100

10%

Network Requests Diagram

kvrezac.cz

360 ms

www.kvrezac.cz

646 ms

styl.css

350 ms

cart2.css

238 ms

slimbox2.css

344 ms

Our browser made a total of 70 requests to load all elements on the main page. We found that 74% of them (52 requests) were addressed to the original Kvrezac.cz, 7% (5 requests) were made to Data.shean.cz and 4% (3 requests) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Kvrezac.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 146.4 kB (30%)

Content Size

495.8 kB

After Optimization

349.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kvrezac.cz main page is 495.8 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. 30% of websites need less resources to load. Images take 286.1 kB which makes up the majority of the site volume.

HTML Optimization

-68%

Potential reduce by 13.4 kB

  • Original 19.7 kB
  • After minification 19.0 kB
  • After compression 6.3 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 13.4 kB or 68% of the original size.

Image Optimization

-10%

Potential reduce by 29.4 kB

  • Original 286.1 kB
  • After minification 256.7 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. Kv Rezac images are well optimized though.

JavaScript Optimization

-42%

Potential reduce by 54.6 kB

  • Original 131.3 kB
  • After minification 126.0 kB
  • After compression 76.7 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 54.6 kB or 42% of the original size.

CSS Optimization

-83%

Potential reduce by 49.0 kB

  • Original 58.8 kB
  • After minification 51.5 kB
  • After compression 9.8 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. Kvrezac.cz needs all CSS files to be minified and compressed as it can save up to 49.0 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 43 (64%)

Requests Now

67

After Optimization

24

  • Images
  • JavaScript
  • CSS

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kv Rezac. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

kvrezac.cz

kvrezac.cz

360 ms

www.kvrezac.cz

www.kvrezac.cz

646 ms

styl.css

styl.css

350 ms

cart2.css

cart2.css

238 ms

slimbox2.css

slimbox2.css

344 ms

popup.css

popup.css

436 ms

jquery.min.js

jquery.min.js

9 ms

jquery-migrate-1.2.1.min.js

jquery-migrate-1.2.1.min.js

238 ms

popup-dev.js

popup-dev.js

1204 ms

function-new.js

function-new.js

240 ms

slimbox2.js

slimbox2.js

708 ms

zalozky01.js

zalozky01.js

1442 ms

print.css

print.css

121 ms

dc.js

dc.js

88 ms

body-bcg.gif

body-bcg.gif

244 ms

index-img1.jpg

index-img1.jpg

347 ms

index-img2.jpg

index-img2.jpg

356 ms

index-img3.jpg

index-img3.jpg

357 ms

index-img5.jpg

index-img5.jpg

359 ms

index-img6.jpg

index-img6.jpg

359 ms

index-img4.jpg

index-img4.jpg

590 ms

logo_cs.gif

logo_cs.gif

570 ms

Vanoce_2015a.jpg

Vanoce_2015a.jpg

803 ms

zavreno_16a17-11.jpg

zavreno_16a17-11.jpg

804 ms

skoly-2a.jpg

skoly-2a.jpg

819 ms

Certifikat-KvRezac.png

Certifikat-KvRezac.png

1054 ms

proverena-spolecnost-2.png

proverena-spolecnost-2.png

1047 ms

gtm.js

gtm.js

84 ms

wrapper-bcg.jpg

wrapper-bcg.jpg

811 ms

container-bcg.gif

container-bcg.gif

1018 ms

right-bottom.gif

right-bottom.gif

1023 ms

index-box-light.gif

index-box-light.gif

1037 ms

arrow-bold.gif

arrow-bold.gif

1045 ms

index-box-dark.gif

index-box-dark.gif

1252 ms

left-bcg.gif

left-bcg.gif

1258 ms

left-caption.gif

left-caption.gif

1261 ms

menu-v-bottom.gif

menu-v-bottom.gif

1259 ms

menu-v-bcg.gif

menu-v-bcg.gif

1267 ms

free-ship.jpg

free-ship.jpg

1514 ms

download-cataogue.gif

download-cataogue.gif

1484 ms

special-net-bcg.jpg

special-net-bcg.jpg

1487 ms

contact-bcg.jpg

contact-bcg.jpg

1493 ms

facebook-icon.jpg

facebook-icon.jpg

1494 ms

top.jpg

top.jpg

1839 ms

search-bcg.gif

search-bcg.gif

1719 ms

btn-red-left.gif

btn-red-left.gif

1720 ms

btn-red-bcg.gif

btn-red-bcg.gif

1721 ms

btn-red-right.gif

btn-red-right.gif

1728 ms

cart-img.gif

cart-img.gif

1750 ms

btn-blue-left.gif

btn-blue-left.gif

1945 ms

btn-blue-bcg.gif

btn-blue-bcg.gif

1957 ms

gjs.php

gjs.php

318 ms

__utm.gif

__utm.gif

39 ms

conversion_async.js

conversion_async.js

24 ms

d457b528-cbe0-4aae-8ea4-56498b18d5d3.js

d457b528-cbe0-4aae-8ea4-56498b18d5d3.js

45 ms

__utm.gif

__utm.gif

27 ms

51 ms

WRf4.js

WRf4.js

15 ms

43 ms

btn-blue-right.gif

btn-blue-right.gif

1739 ms

menu-h-line.gif

menu-h-line.gif

1638 ms

registration.gif

registration.gif

1649 ms

cz.gif

cz.gif

1741 ms

en.gif

en.gif

1834 ms

widget.php

widget.php

115 ms

de.gif

de.gif

1830 ms

sk.gif

sk.gif

1643 ms

news-bottom.gif

news-bottom.gif

1626 ms

news-top.gif

news-top.gif

1435 ms

right-zalozka-only-gold.png

right-zalozka-only-gold.png

306 ms

Accessibility Review

kvrezac.cz accessibility score

89

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.

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

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

kvrezac.cz best practices score

67

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

SEO Factors

kvrezac.cz SEO score

89

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

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 Kvrezac.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 Kvrezac.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

kvrezac.cz

Open Graph description is not detected on the main page of Kv Rezac. 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: