3.6 sec in total
433 ms
2.7 sec
464 ms
Welcome to vtt.cz homepage info - get ready to check Vtt best content for Czech Republic right away, or after learning these important things about vtt.cz
Nejširší nabídku dovolené v Řecku najdete u Viamare. Jsme součástí cestovní kanceláře Travel Family. Vyberte si u nás dovolenou snů!
Visit vtt.czWe analyzed Vtt.cz page load time and found that the first response time was 433 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
vtt.cz performance score
name
value
score
weighting
Value4.9 s
10/100
10%
Value10.6 s
0/100
25%
Value8.1 s
21/100
10%
Value2,160 ms
6/100
30%
Value0.037
100/100
15%
Value13.9 s
10/100
10%
433 ms
620 ms
123 ms
227 ms
234 ms
Our browser made a total of 87 requests to load all elements on the main page. We found that 54% of them (47 requests) were addressed to the original Vtt.cz, 13% (11 requests) were made to Google.com and 3% (3 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (927 ms) belongs to the original domain Vtt.cz.
Page size can be reduced by 1.0 MB (49%)
2.1 MB
1.1 MB
In fact, the total size of Vtt.cz main page is 2.1 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. 50% of websites need less resources to load. Javascripts take 998.5 kB which makes up the majority of the site volume.
Potential reduce by 75.4 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 75.4 kB or 71% of the original size.
Potential reduce by 12.5 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. Vtt images are well optimized though.
Potential reduce by 623.4 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 623.4 kB or 62% of the original size.
Potential reduce by 314.8 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. Vtt.cz needs all CSS files to be minified and compressed as it can save up to 314.8 kB or 83% of the original size.
Number of requests can be reduced by 49 (62%)
79
30
The browser has sent 79 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Vtt. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
vtt.cz
433 ms
www.vtt.cz
620 ms
main.css
123 ms
AnchorPosition.js
227 ms
date.js
234 ms
PopupWindow.js
238 ms
calendarPopup.js
238 ms
jquery-1.11.2.min.js
363 ms
jquery-migrate-1.2.1.js
241 ms
jquery-ui-datepicker.js
453 ms
jquery.cluetip.js
350 ms
jquery-ui.css
356 ms
gallery.js
356 ms
jquery.colorbox-min.js
357 ms
jquery.colorbox-cs.js
468 ms
colorbox.css
474 ms
addthis_widget.js
11 ms
code
359 ms
retargeting.js
373 ms
conversion.js
26 ms
nConversion.js
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analytics.js
30 ms
slimbox2.css
120 ms
collect
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collect
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cse.js
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r3N8KwrUM2A
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dot.asp
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bg-home.gif
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head-bg12.jpg
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vse.png
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prava.png
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leva.png
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katalogy2.png
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sipka-z.png
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sloupy4.png
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button-red.jpg
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button-vice.jpg
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hviezdicka.png
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sipky2.png
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itq-kodex.jpg
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kypr.gif
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kyperska-letacek.jpg
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kypr-ve-vasem-srdci.jpg
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hudebni-cestoipisy.jpg
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nahled-dsc01887-.jpg
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kvizicek.jpg
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pdf.gif
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velikonocni-sleva-nahled.jpg
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vesele-velikonoce-nahled.jpg
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recko2016-2-nahled.jpg
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titulka-2016-nahled.jpg
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logo6.png
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tabulka-th-bg.png
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cse.js
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menu-top-homepage.jpg
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oranzova-tecka.png
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hit
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count.asp
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retargeting
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boost
16 ms
300lo.json
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counter.5524cceca805eb4b9b2b.js
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sh.07f0d9bf220d07a763adad1e.html
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shares.json
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www-embed-player-vflRGs1ko.css
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www-embed-player.js
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base.js
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tabulka-th-bg.png
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jsapi
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default+cs.css
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default.css
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default+cs.I.js
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default.css
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async-ads.js
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google_custom_search_watermark.gif
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small-logo.png
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search_box_icon.png
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clear.gif
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Lrq7Jibxdtv2QOPyDSqncpDfQFNs3PE6SoUrUNh2GTU.js
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ad_status.js
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zN7GBFwfMP4uA6AR0HCoLQ.ttf
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RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf
71 ms
print.css
120 ms
vtt.cz accessibility score
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
Image elements do not have [alt] attributes
Links do not have a discernible name
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
Heading elements are not in a sequentially-descending order
vtt.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
vtt.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Page is blocked from indexing
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
CS
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vtt.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech 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 Vtt.cz 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.
vtt.cz
Open Graph description is not detected on the main page of Vtt. 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: