6.5 sec in total
444 ms
5.9 sec
195 ms
Welcome to z00m.sk homepage info - get ready to check Z 00 M best content right away, or after learning these important things about z00m.sk
Visit z00m.skWe analyzed Z00m.sk page load time and found that the first response time was 444 ms and then it took 6.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
z00m.sk performance score
name
value
score
weighting
Value2.2 s
79/100
10%
Value6.5 s
9/100
25%
Value4.4 s
75/100
10%
Value10 ms
100/100
30%
Value0.301
39/100
15%
Value4.6 s
81/100
10%
444 ms
1569 ms
247 ms
244 ms
246 ms
Our browser made a total of 91 requests to load all elements on the main page. We found that 76% of them (69 requests) were addressed to the original Z00m.sk, 11% (10 requests) were made to Static.xx.fbcdn.net and 7% (6 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (3.5 sec) belongs to the original domain Z00m.sk.
Page size can be reduced by 191.1 kB (23%)
825.5 kB
634.3 kB
In fact, the total size of Z00m.sk main page is 825.5 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. 40% of websites need less resources to load. Images take 565.6 kB which makes up the majority of the site volume.
Potential reduce by 14.0 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 2.6 kB, which is 14% 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 14.0 kB or 76% of the original size.
Potential reduce by 20.8 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. Z 00 M images are well optimized though.
Potential reduce by 147.0 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 147.0 kB or 64% of the original size.
Potential reduce by 9.3 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. Z00m.sk needs all CSS files to be minified and compressed as it can save up to 9.3 kB or 76% of the original size.
Number of requests can be reduced by 37 (42%)
89
52
The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Z 00 M. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
z00m.sk
444 ms
1569 ms
basic.css
247 ms
z00m_basic.css
244 ms
flexdropdown.css
246 ms
jquery-1.4.3.min.js
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flexdropdown.js
266 ms
stepcarousel.js
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settings.js
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jquery.tools.min.js
8 ms
style.css
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wz_tooltip.js
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tip_balloon.js
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filed_remaining.js
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z00m_bg.jpg
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spacer.gif
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background.gif
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z00m_up.png
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z00m_logo.png
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z00m_middle.png
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lg.php
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ga.js
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likebox.php
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__utm.gif
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incoming_events.png
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box_top.png
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z00m_footer.png
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z00m.sk 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
Image elements do not have [alt] attributes
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
z00m.sk best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
z00m.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
SK
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Z00m.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 Z00m.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.
z00m.sk
Open Graph description is not detected on the main page of Z 00 M. 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: