Tools & Wizards About Us
ucitelskenoviny.cz screenshot

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

ucitelskenoviny.cz

Týdeník pro učitele a přátele školy | Učitelské noviny

Page Load Speed

5.4 sec in total

First Response

426 ms

Resources Loaded

4.7 sec

Page Rendered

308 ms

ucitelskenoviny.cz screenshot

About Website

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

Publicistický týdeník pro učitele a přátele školy, který vychází od roku 1883! Přináší rozhovory, analýzy, reportáže, komentáře, názory expertů, poradny, informace ze zahraničí i praktické zkušenosti ...

Visit ucitelskenoviny.cz

Key Findings

We analyzed Ucitelskenoviny.cz page load time and found that the first response time was 426 ms and then it took 5 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

ucitelskenoviny.cz performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.7 s

2/100

10%

LCP (Largest Contentful Paint)

Value8.4 s

2/100

25%

SI (Speed Index)

Value7.8 s

24/100

10%

TBT (Total Blocking Time)

Value270 ms

82/100

30%

CLS (Cumulative Layout Shift)

Value0.26

47/100

15%

TTI (Time to Interactive)

Value7.7 s

45/100

10%

Network Requests Diagram

ucitelskenoviny.cz

426 ms

www.ucitelskenoviny.cz

1773 ms

style.css

634 ms

jquery-3.4.1.min.js

638 ms

jquery.touchSwipe.min.js

425 ms

Our browser made a total of 28 requests to load all elements on the main page. We found that all of those requests were addressed to Ucitelskenoviny.cz and no external sources were called. The less responsive or slowest element that took the longest time to load (2.6 sec) belongs to the original domain Ucitelskenoviny.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 692.4 kB (31%)

Content Size

2.2 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Ucitelskenoviny.cz main page is 2.2 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. 30% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 510.0 kB

  • Original 644.7 kB
  • After minification 597.1 kB
  • After compression 134.7 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 510.0 kB or 79% of the original size.

Image Optimization

-3%

Potential reduce by 35.9 kB

  • Original 1.4 MB
  • After minification 1.3 MB

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. Ucitelske Noviny images are well optimized though.

JavaScript Optimization

-68%

Potential reduce by 81.1 kB

  • Original 119.7 kB
  • After minification 115.6 kB
  • After compression 38.6 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 81.1 kB or 68% of the original size.

CSS Optimization

-84%

Potential reduce by 65.4 kB

  • Original 78.0 kB
  • After minification 75.3 kB
  • After compression 12.7 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. Ucitelskenoviny.cz needs all CSS files to be minified and compressed as it can save up to 65.4 kB or 84% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

26

After Optimization

26

  • Images
  • JavaScript
  • CSS

The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ucitelske Noviny. According to our analytics all requests are already optimized.

Network Requests Diagram

ucitelskenoviny.cz

ucitelskenoviny.cz

426 ms

www.ucitelskenoviny.cz

www.ucitelskenoviny.cz

1773 ms

style.css

style.css

634 ms

jquery-3.4.1.min.js

jquery-3.4.1.min.js

638 ms

jquery.touchSwipe.min.js

jquery.touchSwipe.min.js

425 ms

edge.js

edge.js

321 ms

ptserif.css

ptserif.css

110 ms

hind.css

hind.css

109 ms

loading.gif

loading.gif

739 ms

close.svg

close.svg

111 ms

logo.svg

logo.svg

110 ms

saunia-900x110.gif

saunia-900x110.gif

2636 ms

skolato-900x110.png

skolato-900x110.png

321 ms

un-header-xs.svg

un-header-xs.svg

217 ms

remove-icon.svg

remove-icon.svg

242 ms

search-icon.svg

search-icon.svg

321 ms

polartraver.gif

polartraver.gif

533 ms

amoska-780x110.png

amoska-780x110.png

350 ms

ed-banner-skolstvi.png

ed-banner-skolstvi.png

534 ms

veletrh-vedy-400x100.jpg

veletrh-vedy-400x100.jpg

533 ms

_Magazine-578.jpg

_Magazine-578.jpg

463 ms

seznamy-2023-400x150.jpg

seznamy-2023-400x150.jpg

574 ms

339110240-5830438747078283-3449413400615417595-n.jpg

339110240-5830438747078283-3449413400615417595-n.jpg

747 ms

2.-continental-zdroj-readycon-2023.png

2.-continental-zdroj-readycon-2023.png

1373 ms

soe-ucitelske-noviny.jpeg

soe-ucitelske-noviny.jpeg

955 ms

vr-school-logo.png

vr-school-logo.png

603 ms

WocaBee-logo.png

WocaBee-logo.png

675 ms

logo-black.svg

logo-black.svg

715 ms

Accessibility Review

ucitelskenoviny.cz accessibility score

80

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

Image elements do not have [alt] attributes

Best Practices

ucitelskenoviny.cz best practices score

83

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

SEO Factors

ucitelskenoviny.cz SEO score

85

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

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 Ucitelskenoviny.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 Ucitelskenoviny.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

ucitelskenoviny.cz

Open Graph data is detected on the main page of Ucitelske Noviny. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: