Tools & Wizards About Us
is.ujak.cz screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

is.ujak.cz

?koln? informa?n? syst?m Moggis

Page Load Speed

2 sec in total

First Response

435 ms

Resources Loaded

1.4 sec

Page Rendered

113 ms

is.ujak.cz screenshot

About Website

Visit is.ujak.cz now to see the best up-to-date Is Ujak content for Czech Republic and also check out these interesting facts you probably never knew about is.ujak.cz

Visit is.ujak.cz

Key Findings

We analyzed Is.ujak.cz page load time and found that the first response time was 435 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

is.ujak.cz performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value1.4 s

100/100

25%

SI (Speed Index)

Value2.9 s

95/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value1.4 s

100/100

10%

Network Requests Diagram

is.ujak.cz

435 ms

prihlaseni.php

234 ms

is.css

115 ms

moggis_logo.png

116 ms

Our browser made a total of 4 requests to load all elements on the main page. We found that all of those requests were addressed to Is.ujak.cz and no external sources were called. The less responsive or slowest element that took the longest time to load (435 ms) belongs to the original domain Is.ujak.cz.

Page Optimization Overview & Recommendations

Page size can be reduced by 9.0 kB (66%)

Content Size

13.6 kB

After Optimization

4.6 kB

  • HTML
  • Images
  • CSS

In fact, the total size of Is.ujak.cz main page is 13.6 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. CSS take 9.6 kB which makes up the majority of the site volume.

HTML Optimization

-56%

Potential reduce by 1.1 kB

  • Original 2.1 kB
  • After minification 1.9 kB
  • After compression 908 B

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 1.1 kB or 56% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 2.0 kB
  • After minification 2.0 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. Is Ujak images are well optimized though.

CSS Optimization

-83%

Potential reduce by 7.9 kB

  • Original 9.6 kB
  • After minification 7.0 kB
  • After compression 1.7 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. Is.ujak.cz needs all CSS files to be minified and compressed as it can save up to 7.9 kB or 83% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

2

After Optimization

2

  • Images
  • CSS

The browser has sent 2 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Is Ujak. According to our analytics all requests are already optimized.

Network Requests Diagram

is.ujak.cz

is.ujak.cz

435 ms

prihlaseni.php

prihlaseni.php

234 ms

is.css

is.css

115 ms

moggis_logo.png

moggis_logo.png

116 ms

Accessibility Review

is.ujak.cz accessibility score

71

Accessibility Issues

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

Form elements do not have associated labels

Best Practices

is.ujak.cz best practices score

75

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

Serves images with low resolution

SEO Factors

is.ujak.cz SEO score

58

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

    N/A

  • Language Claimed

    N/A

  • Encoding

    WINDOWS-1250

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Is.ujak.cz can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Is.ujak.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

is.ujak.cz

Open Graph description is not detected on the main page of Is Ujak. 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: