5.1 sec in total
475 ms
4.5 sec
182 ms
Click here to check amazing Zborovna content for Slovakia. Otherwise, check out these important facts you probably never knew about zborovna.sk
Virtuálna knižnica je internetový systém slúžiaci na ukladanie, vyhľadávanie, výber a výmenu učebných materiálov, prípadne iných elektronických materiálov potrebných pri učebnom procese.
Visit zborovna.skWe analyzed Zborovna.sk page load time and found that the first response time was 475 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
zborovna.sk performance score
name
value
score
weighting
Value6.4 s
2/100
10%
Value9.8 s
0/100
25%
Value9.4 s
12/100
10%
Value60 ms
100/100
30%
Value0.002
100/100
15%
Value7.0 s
53/100
10%
475 ms
961 ms
126 ms
400 ms
125 ms
Our browser made a total of 74 requests to load all elements on the main page. We found that 89% of them (66 requests) were addressed to the original Zborovna.sk, 11% (8 requests) were made to Cdn.komensky.sk. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Cdn.komensky.sk.
Page size can be reduced by 393.4 kB (72%)
546.0 kB
152.6 kB
In fact, the total size of Zborovna.sk main page is 546.0 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. Images take 252.5 kB which makes up the majority of the site volume.
Potential reduce by 19.5 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 19.5 kB or 76% of the original size.
Potential reduce by 172.2 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. Obviously, Zborovna needs image optimization as it can save up to 172.2 kB or 68% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 144.0 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 144.0 kB or 73% of the original size.
Potential reduce by 57.7 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. Zborovna.sk needs all CSS files to be minified and compressed as it can save up to 57.7 kB or 83% of the original size.
Number of requests can be reduced by 33 (47%)
70
37
The browser has sent 70 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zborovna. 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 11 to 1 for CSS and as a result speed up the page load time.
zborovna.sk
475 ms
www.zborovna.sk
961 ms
index.php
126 ms
index.php
400 ms
style.css
125 ms
style_zalozky.css
249 ms
jquery.ui.stars.css
369 ms
jquery-1.7.2.min.js
502 ms
jquery.ui.core.js
370 ms
jquery.ui.widget.js
368 ms
jquery.selectbox.js
376 ms
formvalidate.js
378 ms
jquery.ui.stars.js
488 ms
jquery.timers.js
488 ms
jquery.slideViewerPro.1.5.js
489 ms
style_zborovna.css
499 ms
svwp_style.css
501 ms
style_svk.css
610 ms
fileuploader.css
609 ms
overlib.js
750 ms
gallerificPlus.css
622 ms
gallerificPlus.js
622 ms
reset.css
507 ms
rebuild.css
610 ms
grid.css
612 ms
thumb.php
1035 ms
thumb.php
1092 ms
thumb.php
1103 ms
thumb.php
1105 ms
thumb.php
1107 ms
thumb.php
1112 ms
thumb.php
1155 ms
thumb.php
1220 ms
bg.png
122 ms
zalozka_noviny_left_active.png
128 ms
zalozka_noviny_right_active.png
123 ms
zalozka_kniznica_left.png
126 ms
zalozka_kniznica_right.png
128 ms
zalozka_mozgozrut_left.png
123 ms
zalozka_mozgozrut_right.png
244 ms
zalozka_ziak_left.png
246 ms
zalozka_ziak_right.png
247 ms
zalozka_rodic_left.png
248 ms
zalozka_rodic_right.png
249 ms
zalozka_ucitel_left.png
249 ms
zalozka_ucitel_right.png
362 ms
zalozka_skola_left.png
367 ms
zalozka_skola_right.png
368 ms
zalozka_kava_left.png
370 ms
zalozka_kava_right.png
372 ms
logo_svk.png
373 ms
header_oddelovac.png
482 ms
svk.gif
488 ms
pol.gif
489 ms
cze.gif
491 ms
seminar_banner.jpg
1118 ms
search_ok.png
496 ms
header_menu_bg.png
554 ms
header_menu_hover.png
562 ms
titulka_tipy.png
562 ms
titulka_anketa.png
565 ms
sidebar_left_bullet.png
573 ms
nastenka_bg.png
673 ms
stars10.gif
682 ms
search_bg.png
681 ms
titulka_pridat.png
686 ms
new_dokument.png
698 ms
new_url.png
794 ms
new_test.png
802 ms
new_galeria.png
737 ms
titulka_ucitel.png
739 ms
titulka_metodicke.png
755 ms
detail_h2_bg.png
845 ms
titulka_najnovsie.png
850 ms
zborovna.sk accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<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
Image elements do not have [alt] attributes
Links do not have a discernible name
zborovna.sk best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
zborovna.sk SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
Document uses legible font sizes
Tap targets are not sized appropriately
SK
SK
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zborovna.sk can be misinterpreted by Google and other search engines. Our service has detected that Slovak is used on the page, and it matches the claimed language. Our system also found out that Zborovna.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.
zborovna.sk
Open Graph description is not detected on the main page of Zborovna. 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: