Tools & Wizards About Us

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

adalbertinum.cz

kulturní akce Hradec Králové - HRADECKÁ KULTURNÍ A VZDĚLÁVACÍ SPOLEČNOST s.r.o.

Page Load Speed

6.8 sec in total

First Response

539 ms

Resources Loaded

5.8 sec

Page Rendered

446 ms

About Website

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

Kulturní akce Hradec Králové, pronájem tribůn nabízí HRADECKÁ KULTURNÍ A VZDĚLÁVACÍ SPOLEČNOST s.r.o.založena městem Hradec Králové,kulturní služby,akce,letního kina Širák v Hradci Králové.

Visit adalbertinum.cz

Key Findings

We analyzed Adalbertinum.cz page load time and found that the first response time was 539 ms and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

adalbertinum.cz performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.2 s

8/100

10%

LCP (Largest Contentful Paint)

Value9.5 s

0/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value670 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.396

26/100

15%

TTI (Time to Interactive)

Value9.3 s

32/100

10%

Network Requests Diagram

adalbertinum.cz

539 ms

adalbertinum.cz

393 ms

www.adalbertinum.cz

2130 ms

a75c4c86da7903a4db0620fb477dac04.js

479 ms

js

55 ms

Our browser made a total of 125 requests to load all elements on the main page. We found that 94% of them (118 requests) were addressed to the original Adalbertinum.cz, 2% (2 requests) were made to Ssl.google-analytics.com and 1% (1 request) were made to Cdn.cookie-script.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Adalbertinum.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 883.3 kB (11%)

Content Size

8.0 MB

After Optimization

7.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Adalbertinum.cz main page is 8.0 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. 70% of websites need less resources to load. Images take 7.4 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 193.4 kB

  • Original 223.6 kB
  • After minification 204.2 kB
  • After compression 30.3 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 193.4 kB or 86% of the original size.

Image Optimization

-7%

Potential reduce by 553.1 kB

  • Original 7.4 MB
  • After minification 6.9 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. Adalbertinum images are well optimized though.

JavaScript Optimization

-38%

Potential reduce by 102.0 kB

  • Original 271.3 kB
  • After minification 261.4 kB
  • After compression 169.3 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 102.0 kB or 38% of the original size.

CSS Optimization

-51%

Potential reduce by 34.8 kB

  • Original 67.7 kB
  • After minification 43.3 kB
  • After compression 32.9 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. Adalbertinum.cz needs all CSS files to be minified and compressed as it can save up to 34.8 kB or 51% of the original size.

Requests Breakdown

Number of requests can be reduced by 45 (38%)

Requests Now

118

After Optimization

73

  • Images
  • JavaScript
  • CSS

The browser has sent 118 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Adalbertinum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

adalbertinum.cz accessibility score

96

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

Links do not have a discernible name

Best Practices

adalbertinum.cz best practices score

75

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

SEO Factors

adalbertinum.cz SEO score

82

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 doesn't use 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 Adalbertinum.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 Adalbertinum.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 Adalbertinum. 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: