2.9 sec in total
378 ms
2.4 sec
162 ms
Click here to check amazing VT DATA content for Czech Republic. Otherwise, check out these important facts you probably never knew about vtdata.cz
Obchod s výpočetní technikou VT DATA, a.s.
Visit vtdata.czWe analyzed Vtdata.cz page load time and found that the first response time was 378 ms and then it took 2.5 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.
vtdata.cz performance score
name
value
score
weighting
Value6.3 s
3/100
10%
Value9.7 s
0/100
25%
Value11.9 s
4/100
10%
Value550 ms
53/100
30%
Value0
100/100
15%
Value15.6 s
6/100
10%
378 ms
683 ms
122 ms
235 ms
238 ms
Our browser made a total of 46 requests to load all elements on the main page. We found that all of those requests were addressed to Vtdata.cz and no external sources were called. The less responsive or slowest element that took the longest time to load (818 ms) belongs to the original domain Vtdata.cz.
Page size can be reduced by 194.7 kB (53%)
366.1 kB
171.4 kB
In fact, the total size of Vtdata.cz main page is 366.1 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. 25% of websites need less resources to load. Javascripts take 155.1 kB which makes up the majority of the site volume.
Potential reduce by 11.2 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 11.2 kB or 75% of the original size.
Potential reduce by 85 B
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. VT DATA images are well optimized though.
Potential reduce by 118.9 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 118.9 kB or 77% of the original size.
Potential reduce by 64.5 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. Vtdata.cz needs all CSS files to be minified and compressed as it can save up to 64.5 kB or 86% of the original size.
Number of requests can be reduced by 31 (70%)
44
13
The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VT DATA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
vtdata.cz
378 ms
www.vtdata.cz
683 ms
format.css
122 ms
boxes.css
235 ms
modules.css
238 ms
thickbox.css
243 ms
ui.tabs.css
243 ms
hover.js
244 ms
header.js
246 ms
swfobject.js
351 ms
globals.js.php
440 ms
main.js
393 ms
elements.js
393 ms
ajax.js
394 ms
ajax_app.js
468 ms
jquery-1.2.6.pack.js
596 ms
jquery.autocomplete.js
479 ms
jquery.scrollTo-1.3.3-min.js
483 ms
jquery.form.js
553 ms
jquery.custom.js
584 ms
custom.jquery.init.js
605 ms
thickbox.patch.js
606 ms
a.jpg
540 ms
logo.gif
338 ms
icons.gif
348 ms
pipe.gif
351 ms
search_input.gif
359 ms
search_sub.gif
421 ms
home_ul.jpg
452 ms
home_li.gif
465 ms
icon_new_window.gif
467 ms
dealer_span_l.gif
477 ms
dealer_span_r.gif
537 ms
floats.gif
567 ms
floats.jpg
818 ms
navimenu_bg.gif
583 ms
navimenu.gif
595 ms
navimenu_sep.gif
650 ms
navimenu_li.gif
652 ms
h3_sloupec.gif
682 ms
texty_dole.jpg
700 ms
ebrana.gif
714 ms
wa.gif
765 ms
bottom.gif
763 ms
loadingAnimation.gif
481 ms
print.css
120 ms
vtdata.cz accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
[role]s are not contained by their required parent element
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
Buttons do not have an accessible name
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
vtdata.cz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
vtdata.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
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
Document uses legible font sizes
Tap targets are not sized appropriately
CS
CS
WINDOWS-1250
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vtdata.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it matches the claimed language. Our system also found out that Vtdata.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.
vtdata.cz
Open Graph description is not detected on the main page of VT DATA. 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: