Report Summary

  • 89

    Performance

    Renders faster than
    90% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

Page Load Speed

2.4 sec in total

First Response

329 ms

Resources Loaded

1.9 sec

Page Rendered

132 ms

ais2.vsdanubius.sk screenshot

About Website

Click here to check amazing AiS2 Vsdanubius content for Slovakia. Otherwise, check out these important facts you probably never knew about ais2.vsdanubius.sk

Visit ais2.vsdanubius.sk

Key Findings

We analyzed Ais2.vsdanubius.sk page load time and found that the first response time was 329 ms and then it took 2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

ais2.vsdanubius.sk performance score

89

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

69/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

74/100

25%

SI (Speed Index)

Value3.5 s

87/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.4 s

98/100

10%

Network Requests Diagram

ais2.vsdanubius.sk

329 ms

ais2.vsdanubius.sk

445 ms

start.do

153 ms

bootstrap.min.css

225 ms

portal_2_common.css

324 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that all of those requests were addressed to Ais2.vsdanubius.sk and no external sources were called. The less responsive or slowest element that took the longest time to load (481 ms) belongs to the original domain Ais2.vsdanubius.sk.

Page Optimization Overview & Recommendations

Page size can be reduced by 75.9 kB (20%)

Content Size

386.9 kB

After Optimization

311.1 kB

In fact, the total size of Ais2.vsdanubius.sk main page is 386.9 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. Only 10% of websites need less resources to load. Images take 259.2 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 9.7 kB

  • Original 12.8 kB
  • After minification 9.8 kB
  • After compression 3.1 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. This page needs HTML code to be minified as it can gain 3.0 kB, which is 23% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 9.7 kB or 76% of the original size.

Image Optimization

-3%

Potential reduce by 8.5 kB

  • Original 259.2 kB
  • After minification 250.7 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. AiS2 Vsdanubius images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 57.1 kB

  • Original 88.0 kB
  • After minification 87.7 kB
  • After compression 30.9 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 57.1 kB or 65% of the original size.

CSS Optimization

-2%

Potential reduce by 645 B

  • Original 27.0 kB
  • After minification 27.0 kB
  • After compression 26.3 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. Ais2.vsdanubius.sk has all CSS files already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

10

After Optimization

10

The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of AiS2 Vsdanubius. According to our analytics all requests are already optimized.

Accessibility Review

ais2.vsdanubius.sk accessibility score

92

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

Best Practices

ais2.vsdanubius.sk best practices score

67

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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

ais2.vsdanubius.sk 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 uses legible font sizes

Language and Encoding

  • Language Detected

    SK

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ais2.vsdanubius.sk can be misinterpreted by Google and other search engines. Our service has detected that Slovak is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Ais2.vsdanubius.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

Open Graph description is not detected on the main page of AiS2 Vsdanubius. 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: