Tools & Wizards About Us
virtuelnaucionica.com screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 97

    Accessibility

    Visual factors better than
    that of 92% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 89

    SEO

    Google-friendlier than
    67% of websites

virtuelnaucionica.com

Virtuelna Učionica - besplatni online kursevi, vežbe i sadržaji

Page Load Speed

3.5 sec in total

First Response

915 ms

Resources Loaded

2.2 sec

Page Rendered

385 ms

virtuelnaucionica.com screenshot

About Website

Click here to check amazing Virtuelna Ucionica content for Serbia. Otherwise, check out these important facts you probably never knew about virtuelnaucionica.com

Besplatni online kursevi, video objašnjenja sa zanimljivim animacijama, tekstualna objašnjenja i vežbe. Interaktivni sadržaji za decu, odrasle i nastavnike.

Visit virtuelnaucionica.com

Key Findings

We analyzed Virtuelnaucionica.com page load time and found that the first response time was 915 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

virtuelnaucionica.com performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.4 s

1/100

10%

LCP (Largest Contentful Paint)

Value13.7 s

0/100

25%

SI (Speed Index)

Value39.2 s

0/100

10%

TBT (Total Blocking Time)

Value59,470 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.01

100/100

15%

TTI (Time to Interactive)

Value80.9 s

0/100

10%

Network Requests Diagram

virtuelnaucionica.com

915 ms

style.css

127 ms

jquery.min.js

251 ms

jquery-noconflict.js

173 ms

jquery-migrate.min.js

175 ms

Our browser made a total of 47 requests to load all elements on the main page. We found that 70% of them (33 requests) were addressed to the original Virtuelnaucionica.com, 6% (3 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (915 ms) belongs to the original domain Virtuelnaucionica.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 574.0 kB (38%)

Content Size

1.5 MB

After Optimization

928.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Virtuelnaucionica.com main page is 1.5 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. 55% of websites need less resources to load. Images take 791.8 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 24.4 kB

  • Original 32.6 kB
  • After minification 30.3 kB
  • After compression 8.3 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 24.4 kB or 75% of the original size.

Image Optimization

-2%

Potential reduce by 13.4 kB

  • Original 791.8 kB
  • After minification 778.4 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. Virtuelna Ucionica images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 177.3 kB

  • Original 271.0 kB
  • After minification 270.8 kB
  • After compression 93.7 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 177.3 kB or 65% of the original size.

CSS Optimization

-88%

Potential reduce by 359.0 kB

  • Original 406.8 kB
  • After minification 278.4 kB
  • After compression 47.8 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. Virtuelnaucionica.com needs all CSS files to be minified and compressed as it can save up to 359.0 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 22 (52%)

Requests Now

42

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 42 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Virtuelna Ucionica. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

virtuelnaucionica.com

virtuelnaucionica.com

915 ms

style.css

style.css

127 ms

jquery.min.js

jquery.min.js

251 ms

jquery-noconflict.js

jquery-noconflict.js

173 ms

jquery-migrate.min.js

jquery-migrate.min.js

175 ms

uikit-a8643164.js

uikit-a8643164.js

268 ms

wk-scripts-16e9fa8a.js

wk-scripts-16e9fa8a.js

183 ms

bootstrap.css

bootstrap.css

313 ms

theme.css

theme.css

423 ms

custom.css

custom.css

276 ms

uikit.js

uikit.js

282 ms

autocomplete.js

autocomplete.js

349 ms

search.js

search.js

355 ms

datepicker.js

datepicker.js

357 ms

sticky.js

sticky.js

369 ms

tooltip.js

tooltip.js

401 ms

social.js

social.js

459 ms

theme.js

theme.js

460 ms

css

css

74 ms

css

css

88 ms

analytics.js

analytics.js

136 ms

widgets.js

widgets.js

112 ms

plusone.js

plusone.js

79 ms

sdk.js

sdk.js

31 ms

default_bg.jpg

default_bg.jpg

480 ms

logo.svg

logo.svg

142 ms

panel-box-noise-bg.png

panel-box-noise-bg.png

140 ms

online-kursevi.jpg

online-kursevi.jpg

390 ms

kursevi-stacked.jpg

kursevi-stacked.jpg

480 ms

ucenje-na-daljinu.jpg

ucenje-na-daljinu.jpg

479 ms

strucno-usavrsavanje.jpg

strucno-usavrsavanje.jpg

544 ms

elektronsko-ucenje.jpg

elektronsko-ucenje.jpg

542 ms

online-kurs-excel.png

online-kurs-excel.png

483 ms

kurs-engleski-gramatika.png

kurs-engleski-gramatika.png

579 ms

home_greece.jpg

home_greece.jpg

600 ms

british-council.png

british-council.png

609 ms

logo-kss.png

logo-kss.png

581 ms

katedra.png

katedra.png

644 ms

Hgo13k-tfSpn0qi1SFdUfaCWcynf_cDxXwCLxiixG1c.ttf

Hgo13k-tfSpn0qi1SFdUfaCWcynf_cDxXwCLxiixG1c.ttf

69 ms

zN7GBFwfMP4uA6AR0HCoLQ.ttf

zN7GBFwfMP4uA6AR0HCoLQ.ttf

69 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

708 ms

9Xe8dq6pQDsPyVH2D3tMQi3USBnSvpkopQaUR-2r7iU.ttf

9Xe8dq6pQDsPyVH2D3tMQi3USBnSvpkopQaUR-2r7iU.ttf

99 ms

collect

collect

65 ms

76 ms

xd_arbiter.php

xd_arbiter.php

72 ms

xd_arbiter.php

xd_arbiter.php

81 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

64 ms

Accessibility Review

virtuelnaucionica.com accessibility score

97

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.

Best Practices

virtuelnaucionica.com best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

virtuelnaucionica.com SEO score

89

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    HR

  • Language Claimed

    SR

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Virtuelnaucionica.com can be misinterpreted by Google and other search engines. Our service has detected that Croatian is used on the page, and it does not match the claimed Serbian language. Our system also found out that Virtuelnaucionica.com 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

virtuelnaucionica.com

Open Graph description is not detected on the main page of Virtuelna Ucionica. 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: