4.9 sec in total
364 ms
4.4 sec
140 ms
Click here to check amazing Zdenek Izer content. Otherwise, check out these important facts you probably never knew about zdenekizer.cz
Zdeněk Izer v zábavné show, která nenechá vaše bránice ani na chvíli v klidu!
Visit zdenekizer.czWe analyzed Zdenekizer.cz page load time and found that the first response time was 364 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.
zdenekizer.cz performance score
name
value
score
weighting
Value7.5 s
1/100
10%
Value9.2 s
1/100
25%
Value9.3 s
13/100
10%
Value4,930 ms
0/100
30%
Value0.238
52/100
15%
Value15.9 s
6/100
10%
364 ms
491 ms
720 ms
233 ms
1066 ms
Our browser made a total of 57 requests to load all elements on the main page. We found that 9% of them (5 requests) were addressed to the original Zdenekizer.cz, 30% (17 requests) were made to Kulturniportal.cz and 21% (12 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Kulturniportal.cz.
Page size can be reduced by 471.9 kB (64%)
734.8 kB
262.9 kB
In fact, the total size of Zdenekizer.cz main page is 734.8 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. 30% of websites need less resources to load. Javascripts take 607.5 kB which makes up the majority of the site volume.
Potential reduce by 55.5 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 55.5 kB or 70% of the original size.
Potential reduce by 954 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. Zdenek Izer images are well optimized though.
Potential reduce by 399.1 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 399.1 kB or 66% of the original size.
Potential reduce by 16.3 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. Zdenekizer.cz needs all CSS files to be minified and compressed as it can save up to 16.3 kB or 76% of the original size.
Number of requests can be reduced by 24 (44%)
55
31
The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zdenek Izer. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
zdenekizer.cz
364 ms
www.zdenekizer.cz
491 ms
lista.css
720 ms
main.css
233 ms
jquery-1.10.1.min.js
1066 ms
jquery.mousewheel-3.0.6.pack.js
728 ms
jquery.fancybox.js
994 ms
jquery.fancybox.css
769 ms
jquery.fancybox-buttons.css
821 ms
jquery.fancybox-buttons.js
1229 ms
jquery.fancybox-thumbs.css
1317 ms
jquery.fancybox-thumbs.js
1315 ms
jquery.fancybox-media.js
1363 ms
addthis_widget.js
58 ms
title.jpg
761 ms
dot.asp
238 ms
bg.gif
270 ms
bg-lista.gif
271 ms
kp.png
398 ms
1b.jpg
299 ms
03205b.jpg
278 ms
03195b.jpg
351 ms
rss.png
349 ms
all.js
271 ms
analytics.js
26 ms
300lo.json
41 ms
counter.5524cceca805eb4b9b2b.js
11 ms
sh.8e5f85691f9aaa082472a194.html
31 ms
collect
26 ms
shares.json
28 ms
141 ms
xd_arbiter.php
213 ms
xd_arbiter.php
421 ms
print.css
299 ms
ping
57 ms
like.php
92 ms
like_box.php
120 ms
h5Lp5Et_eC4.js
482 ms
LVx-xkvaJ0b.png
361 ms
kyEKgjk51ZE.css
286 ms
xgj7bXhJNEH.css
288 ms
q68gy-v_YMF.js
416 ms
hHAUS9q05ns.js
437 ms
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348 ms
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353 ms
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351 ms
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419 ms
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488 ms
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553 ms
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557 ms
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555 ms
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558 ms
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556 ms
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75 ms
s7jcwEQH7Sx.png
75 ms
I6-MnjEovm5.js
73 ms
pQrUxxo5oQp.js
137 ms
zdenekizer.cz 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.
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.
zdenekizer.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
zdenekizer.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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zdenekizer.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 Zdenekizer.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.
zdenekizer.cz
Open Graph data is detected on the main page of Zdenek Izer. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: