Tools & Wizards About Us
is.tuzvo.sk screenshot

Report Summary

  • 59

    Performance

    Renders faster than
    74% of other websites

  • 88

    Accessibility

    Visual factors better than
    that of 68% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

is.tuzvo.sk

University information system

Page Load Speed

4.2 sec in total

First Response

326 ms

Resources Loaded

3.7 sec

Page Rendered

80 ms

is.tuzvo.sk screenshot

About Website

Visit is.tuzvo.sk now to see the best up-to-date Is Tuzvo content for Slovakia and also check out these interesting facts you probably never knew about is.tuzvo.sk

University information system

Visit is.tuzvo.sk

Key Findings

We analyzed Is.tuzvo.sk page load time and found that the first response time was 326 ms and then it took 3.8 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

is.tuzvo.sk performance score

59

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.5 s

6/100

10%

LCP (Largest Contentful Paint)

Value5.5 s

19/100

25%

SI (Speed Index)

Value7.9 s

22/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value5.6 s

69/100

10%

Network Requests Diagram

is.tuzvo.sk

326 ms

is.tuzvo.sk

772 ms

menitka.css

316 ms

base.css

331 ms

pseudostrap.css

336 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 97% of them (33 requests) were addressed to the original Is.tuzvo.sk, 3% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Is.tuzvo.sk.

Page Optimization Overview & Recommendations

Page size can be reduced by 14.7 kB (9%)

Content Size

159.1 kB

After Optimization

144.3 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Is.tuzvo.sk main page is 159.1 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. 20% of websites need less resources to load. Javascripts take 120.2 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 7.6 kB

  • Original 10.0 kB
  • After minification 9.5 kB
  • After compression 2.5 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 7.6 kB or 75% of the original size.

JavaScript Optimization

-4%

Potential reduce by 4.5 kB

  • Original 120.2 kB
  • After minification 120.1 kB
  • After compression 115.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-9%

Potential reduce by 2.6 kB

  • Original 28.8 kB
  • After minification 28.8 kB
  • After compression 26.2 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.tuzvo.sk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 21 (66%)

Requests Now

32

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Is Tuzvo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

is.tuzvo.sk

is.tuzvo.sk

326 ms

is.tuzvo.sk

is.tuzvo.sk

772 ms

menitka.css

menitka.css

316 ms

base.css

base.css

331 ms

pseudostrap.css

pseudostrap.css

336 ms

img.pl

img.pl

399 ms

jquery-ui.min.css

jquery-ui.min.css

348 ms

jquery-3.3.1.min.js

jquery-3.3.1.min.js

877 ms

common.js

common.js

645 ms

uis.js

uis.js

660 ms

translate.js

translate.js

683 ms

js.cookie.min.js

js.cookie.min.js

676 ms

pseudostrap.js

pseudostrap.js

745 ms

jquery-ui.min.js

jquery-ui.min.js

1295 ms

corrector.js

corrector.js

998 ms

help.js

help.js

1009 ms

js

js

57 ms

img.pl

img.pl

170 ms

img.pl

img.pl

180 ms

img.pl

img.pl

386 ms

img.pl

img.pl

400 ms

img.pl

img.pl

541 ms

img.pl

img.pl

416 ms

img.pl

img.pl

577 ms

img.pl

img.pl

583 ms

img.pl

img.pl

761 ms

img.pl

img.pl

809 ms

img.pl

img.pl

811 ms

img.pl

img.pl

916 ms

img.pl

img.pl

970 ms

img.pl

img.pl

977 ms

img.pl

img.pl

1168 ms

img.pl

img.pl

1336 ms

img.pl

img.pl

1332 ms

Accessibility Review

is.tuzvo.sk accessibility score

88

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.

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

Links do not have a discernible name

Best Practices

is.tuzvo.sk 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

is.tuzvo.sk SEO score

69

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Is.tuzvo.sk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Is.tuzvo.sk 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

is.tuzvo.sk

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