Tools & Wizards About Us
pzskarvina.cz screenshot

Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 54

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 67

    SEO

    Google-friendlier than
    26% of websites

pzskarvina.cz

Polska Szko?a Podstawowa i Przedszkole w Karwinie - Z?kladn? ?kola a mate?sk? ?kola s polsk?m jazykem vyu?ovac?m v Karvin?

Page Load Speed

21.3 sec in total

First Response

460 ms

Resources Loaded

20.7 sec

Page Rendered

88 ms

pzskarvina.cz screenshot

About Website

Welcome to pzskarvina.cz homepage info - get ready to check Pzs Karvin A best content for Czech Republic right away, or after learning these important things about pzskarvina.cz

Polska Szko?a Podstawowa i Przedszkole w Karwinie - Z?kladn? ?kola a mate?sk? ?kola s polsk?m jazykem vyu?ovac?m v Karvin?

Visit pzskarvina.cz

Key Findings

We analyzed Pzskarvina.cz page load time and found that the first response time was 460 ms and then it took 20.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

pzskarvina.cz performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value1.7 s

99/100

25%

SI (Speed Index)

Value1.4 s

100/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

pzskarvina.cz

460 ms

style.css

182 ms

top.jpg

363 ms

b.gif

186 ms

szkola_podstawowa.gif

294 ms

Our browser made a total of 12 requests to load all elements on the main page. We found that 92% of them (11 requests) were addressed to the original Pzskarvina.cz, 8% (1 request) were made to Toplist.cz. The less responsive or slowest element that took the longest time to load (19.8 sec) relates to the external source Toplist.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 9.4 kB (15%)

Content Size

63.9 kB

After Optimization

54.4 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Pzskarvina.cz main page is 63.9 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. Only 5% of websites need less resources to load. Images take 50.5 kB which makes up the majority of the site volume.

HTML Optimization

-73%

Potential reduce by 7.6 kB

  • Original 10.4 kB
  • After minification 10.2 kB
  • After compression 2.8 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 7.6 kB or 73% of the original size.

Image Optimization

-2%

Potential reduce by 865 B

  • Original 50.5 kB
  • After minification 49.6 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. Pzs Karvin A images are well optimized though.

CSS Optimization

-33%

Potential reduce by 997 B

  • Original 3.0 kB
  • After minification 3.0 kB
  • After compression 2.0 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. Pzskarvina.cz needs all CSS files to be minified and compressed as it can save up to 997 B or 33% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

10

After Optimization

10

  • Images
  • CSS

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Pzs Karvin A. According to our analytics all requests are already optimized.

Network Requests Diagram

pzskarvina.cz

pzskarvina.cz

460 ms

style.css

style.css

182 ms

top.jpg

top.jpg

363 ms

b.gif

b.gif

186 ms

szkola_podstawowa.gif

szkola_podstawowa.gif

294 ms

Facebook-Szkola-Frysztat.png

Facebook-Szkola-Frysztat.png

295 ms

skrzynka-zaufania.gif

skrzynka-zaufania.gif

295 ms

el-dzienniczek-ucznia.gif

el-dzienniczek-ucznia.gif

294 ms

linka-bezpeci.png

linka-bezpeci.png

364 ms

bg.gif

bg.gif

178 ms

top_bg.jpg

top_bg.jpg

363 ms

dot.asp

dot.asp

19849 ms

Accessibility Review

pzskarvina.cz accessibility score

54

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.

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

Best Practices

pzskarvina.cz best practices score

67

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

SEO Factors

pzskarvina.cz SEO score

67

Search Engine Optimization Advices

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

Language and Encoding

  • Language Detected

    PL

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Pzskarvina.cz can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Pzskarvina.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

pzskarvina.cz

Open Graph description is not detected on the main page of Pzs Karvin A. 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: