Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 39% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

testyzucetnictvi.cz

Úvodní stránka | Testy z účetnictví (www.testyzucetnictvi.cz)

Page Load Speed

23.2 sec in total

First Response

416 ms

Resources Loaded

21.4 sec

Page Rendered

1.4 sec

testyzucetnictvi.cz screenshot

About Website

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

Unikátní internetová e-learningová aplikace se zaměřením na účetní problematiku. Řešení účetních testů on-line formou samostudia, studijních plánů či zadaných úkolů. Samozřejmostí je okamžité vyhodnoc...

Visit testyzucetnictvi.cz

Key Findings

We analyzed Testyzucetnictvi.cz page load time and found that the first response time was 416 ms and then it took 22.8 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number 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

testyzucetnictvi.cz performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

51/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value8,750 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.8 s

5/100

10%

Network Requests Diagram

testyzucetnictvi.cz

416 ms

www.testyzucetnictvi.cz

415 ms

layout.css

186 ms

jquery.own.js

390 ms

emaily.js

204 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 41% of them (19 requests) were addressed to the original Testyzucetnictvi.cz, 11% (5 requests) were made to Pagead2.googlesyndication.com and 11% (5 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (19.6 sec) relates to the external source Toplist.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 100.6 kB (34%)

Content Size

298.1 kB

After Optimization

197.4 kB

In fact, the total size of Testyzucetnictvi.cz main page is 298.1 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. 50% of websites need less resources to load. Javascripts take 193.8 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 22.7 kB

  • Original 31.5 kB
  • After minification 30.1 kB
  • After compression 8.8 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 22.7 kB or 72% of the original size.

Image Optimization

-7%

Potential reduce by 3.4 kB

  • Original 51.1 kB
  • After minification 47.7 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. Testy Zucetnictvi images are well optimized though.

JavaScript Optimization

-30%

Potential reduce by 57.6 kB

  • Original 193.8 kB
  • After minification 191.8 kB
  • After compression 136.2 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 57.6 kB or 30% of the original size.

CSS Optimization

-78%

Potential reduce by 17.0 kB

  • Original 21.7 kB
  • After minification 16.7 kB
  • After compression 4.8 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. Testyzucetnictvi.cz needs all CSS files to be minified and compressed as it can save up to 17.0 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (63%)

Requests Now

40

After Optimization

15

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Testy Zucetnictvi. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

testyzucetnictvi.cz accessibility score

73

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

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

<frame> or <iframe> elements do not have a title

High

Form elements do not have associated labels

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

Best Practices

testyzucetnictvi.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

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

High

Page has valid source maps

SEO Factors

testyzucetnictvi.cz SEO score

67

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

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 Testyzucetnictvi.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 Testyzucetnictvi.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 Testy Zucetnictvi. 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: