Tools & Wizards About Us

Report Summary

  • 54

    Performance

    Renders faster than
    71% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

zsbechyne.cz

Úvod - Základní škola Bechyně, Školní 293, 391 65 Bechyně, Školní 293

Page Load Speed

4.6 sec in total

First Response

737 ms

Resources Loaded

3.5 sec

Page Rendered

364 ms

About Website

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

Oficiální stránky základní školy Bechyně

Visit zsbechyne.cz

Key Findings

We analyzed Zsbechyne.cz page load time and found that the first response time was 737 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

zsbechyne.cz performance score

54

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value8.3 s

19/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value6.5 s

58/100

10%

Network Requests Diagram

737 ms

slicknav.min.css

107 ms

css

35 ms

css

52 ms

jquery.fancybox.css

215 ms

Our browser made a total of 57 requests to load all elements on the main page. We found that 77% of them (44 requests) were addressed to the original Zsbechyne.cz, 14% (8 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (737 ms) belongs to the original domain Zsbechyne.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 198.9 kB (15%)

Content Size

1.3 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Zsbechyne.cz main page is 1.3 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. 40% of websites need less resources to load. Images take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 52.6 kB

  • Original 69.2 kB
  • After minification 66.3 kB
  • After compression 16.6 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. 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 52.6 kB or 76% of the original size.

Image Optimization

-10%

Potential reduce by 101.3 kB

  • Original 1.0 MB
  • After minification 924.9 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. Zsbechyne images are well optimized though.

JavaScript Optimization

-20%

Potential reduce by 32.0 kB

  • Original 160.0 kB
  • After minification 160.0 kB
  • After compression 128.0 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 32.0 kB or 20% of the original size.

CSS Optimization

-29%

Potential reduce by 13.1 kB

  • Original 45.6 kB
  • After minification 45.6 kB
  • After compression 32.5 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. Zsbechyne.cz needs all CSS files to be minified and compressed as it can save up to 13.1 kB or 29% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (45%)

Requests Now

47

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zsbechyne. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

zsbechyne.cz accessibility score

87

Accessibility Issues

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

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

zsbechyne.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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

zsbechyne.cz SEO score

92

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

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 Zsbechyne.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 Zsbechyne.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 description is not detected on the main page of Zsbechyne. 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: