Tools & Wizards About Us
pristresky-polykarbonat.cz screenshot

Report Summary

  • 19

    Performance

    Renders faster than
    36% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    20% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

pristresky-polykarbonat.cz

Skleníky: Polykarbonátový skleník – cena a vlastnosti

Page Load Speed

2.6 sec in total

First Response

558 ms

Resources Loaded

1.9 sec

Page Rendered

160 ms

pristresky-polykarbonat.cz screenshot

About Website

Welcome to pristresky-polykarbonat.cz homepage info - get ready to check Pristresky Polykarbonat best content right away, or after learning these important things about pristresky-polykarbonat.cz

Skleníky z polykarbonátu jsou stále oblíbenější. Jaké existují konstrukce pro polykarbonátové skleníky a jaká je jejich cena, se dozvíte zde.

Visit pristresky-polykarbonat.cz

Key Findings

We analyzed Pristresky-polykarbonat.cz page load time and found that the first response time was 558 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

pristresky-polykarbonat.cz performance score

19

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

39/100

10%

LCP (Largest Contentful Paint)

Value22.7 s

0/100

25%

SI (Speed Index)

Value15.4 s

1/100

10%

TBT (Total Blocking Time)

Value4,940 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.012

100/100

15%

TTI (Time to Interactive)

Value26.0 s

0/100

10%

Network Requests Diagram

pristresky-polykarbonat.cz

558 ms

stylesheet.css

124 ms

featured_slider.css

246 ms

jquery.min.js

31 ms

nivo-slider.css

267 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 73% of them (29 requests) were addressed to the original Pristresky-polykarbonat.cz, 5% (2 requests) were made to Ajax.googleapis.com and 5% (2 requests) were made to C.imedia.cz. The less responsive or slowest element that took the longest time to load (834 ms) belongs to the original domain Pristresky-polykarbonat.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 106.7 kB (32%)

Content Size

332.2 kB

After Optimization

225.5 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Pristresky-polykarbonat.cz main page is 332.2 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. 25% of websites need less resources to load. Images take 151.6 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 21.0 kB

  • Original 27.4 kB
  • After minification 24.9 kB
  • After compression 6.4 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 21.0 kB or 77% of the original size.

Image Optimization

-2%

Potential reduce by 2.4 kB

  • Original 151.6 kB
  • After minification 149.2 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. Pristresky Polykarbonat images are well optimized though.

JavaScript Optimization

-49%

Potential reduce by 61.4 kB

  • Original 126.1 kB
  • After minification 121.7 kB
  • After compression 64.8 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 61.4 kB or 49% of the original size.

CSS Optimization

-81%

Potential reduce by 22.0 kB

  • Original 27.2 kB
  • After minification 21.5 kB
  • After compression 5.2 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. Pristresky-polykarbonat.cz needs all CSS files to be minified and compressed as it can save up to 22.0 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (82%)

Requests Now

38

After Optimization

7

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pristresky Polykarbonat. 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

pristresky-polykarbonat.cz

pristresky-polykarbonat.cz

558 ms

stylesheet.css

stylesheet.css

124 ms

featured_slider.css

featured_slider.css

246 ms

jquery.min.js

jquery.min.js

31 ms

nivo-slider.css

nivo-slider.css

267 ms

jquery.nivo.slider.pack.js

jquery.nivo.slider.pack.js

267 ms

css

css

42 ms

jquery-ui.min.js

jquery-ui.min.js

25 ms

tab.js

tab.js

264 ms

jquery.easing-1.3.pack.js

jquery.easing-1.3.pack.js

284 ms

jquery.fancybox-1.3.4.pack.js

jquery.fancybox-1.3.4.pack.js

285 ms

jquery.fancybox-1.3.4.css

jquery.fancybox-1.3.4.css

363 ms

cufon-yui.js

cufon-yui.js

369 ms

Museo_Sans_500_400.font.js

Museo_Sans_500_400.font.js

367 ms

conversion.js

conversion.js

33 ms

retargeting.js

retargeting.js

472 ms

ga.js

ga.js

8 ms

header_bg.jpg

header_bg.jpg

245 ms

logo_rwa_.png

logo_rwa_.png

163 ms

cz.png

cz.png

161 ms

49 ms

__utm.gif

__utm.gif

13 ms

40 ms

retargeting

retargeting

117 ms

gjs.php

gjs.php

321 ms

special.png

special.png

126 ms

contact.png

contact.png

127 ms

bookmark.png

bookmark.png

123 ms

sitemap.png

sitemap.png

145 ms

tab_1.png

tab_1.png

147 ms

header_1_left.png

header_1_left.png

243 ms

header_1_right.png

header_1_right.png

246 ms

header_1_center.png

header_1_center.png

247 ms

button_left.png

button_left.png

264 ms

button_right.png

button_right.png

264 ms

header_2_left.png

header_2_left.png

269 ms

header_2_right.png

header_2_right.png

365 ms

header_2_center.png

header_2_center.png

368 ms

footer_bg.jpg

footer_bg.jpg

834 ms

tab_2.png

tab_2.png

329 ms

Accessibility Review

pristresky-polykarbonat.cz accessibility score

81

Accessibility Issues

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

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

Best Practices

pristresky-polykarbonat.cz best practices score

58

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

pristresky-polykarbonat.cz SEO score

84

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

    UTF-8

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

pristresky-polykarbonat.cz

Open Graph description is not detected on the main page of Pristresky Polykarbonat. 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: