4.1 sec in total
253 ms
3.6 sec
256 ms
Visit zonerpress.cz now to see the best up-to-date Zoner Press content for Czech Republic and also check out these interesting facts you probably never knew about zonerpress.cz
Vydavatelství Zoner Press: praktické návody pro fotografy všech úrovní, široká řada knih pro kreslíře a malíře, odborné publikace pro grafiky, programátory, webdesignery a manažery... Vzdělávejte se s...
Visit zonerpress.czWe analyzed Zonerpress.cz page load time and found that the first response time was 253 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
zonerpress.cz performance score
name
value
score
weighting
Value4.0 s
24/100
10%
Value11.1 s
0/100
25%
Value7.3 s
28/100
10%
Value810 ms
36/100
30%
Value0.132
81/100
15%
Value10.8 s
22/100
10%
253 ms
1159 ms
132 ms
496 ms
251 ms
Our browser made a total of 122 requests to load all elements on the main page. We found that 63% of them (77 requests) were addressed to the original Zonerpress.cz, 11% (13 requests) were made to Zonercloud.cz and 8% (10 requests) were made to Google.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Zonerpress.cz.
Page size can be reduced by 447.6 kB (22%)
2.1 MB
1.6 MB
In fact, the total size of Zonerpress.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. 60% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 69.5 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. This page needs HTML code to be minified as it can gain 13.5 kB, which is 16% 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 69.5 kB or 80% of the original size.
Potential reduce by 19.6 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. Zoner Press images are well optimized though.
Potential reduce by 294.8 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 294.8 kB or 57% of the original size.
Potential reduce by 63.7 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. Zonerpress.cz needs all CSS files to be minified and compressed as it can save up to 63.7 kB or 81% of the original size.
Number of requests can be reduced by 34 (29%)
117
83
The browser has sent 117 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zoner Press. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.
zonerpress.cz
253 ms
www.zonerpress.cz
1159 ms
default.css
132 ms
cookies.js
496 ms
_horniLista.css
251 ms
style.css
501 ms
kucera.css
371 ms
disc.css
361 ms
embed.js
68 ms
jquery.min.js
88 ms
jquery-ui-1.8.16.custom.min.js
481 ms
jquery.scrollTo-min.js
363 ms
jquery.validate.min.js
128 ms
_horniLista.js
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conversion.js
38 ms
zonerista.css
528 ms
zonerista.js
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fbevents.js
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ga.js
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loader.js
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logo-zonepress.gif
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facebook-logo-small.png
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all.js
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gjs.php
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async-ads.js
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small-logo.png
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clear.gif
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zonerpress.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
<frame> or <iframe> elements do not have a title
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
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
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 IDs are not unique
zonerpress.cz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
zonerpress.cz SEO score
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 Zonerpress.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 Zonerpress.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.
zonerpress.cz
Open Graph description is not detected on the main page of Zoner Press. 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: