5.5 sec in total
348 ms
4.6 sec
538 ms
Welcome to aspi.cz homepage info - get ready to check ASPI best content right away, or after learning these important things about aspi.cz
Desetitisíce uživatelů se už 30 let spoléhají na ASPI. Kvalitní obsah, pečlivě zpracované vazby a časová znění jsou k dispozici všem, kdo si potřebují být jistí.
Visit aspi.czWe analyzed Aspi.cz page load time and found that the first response time was 348 ms and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
aspi.cz performance score
name
value
score
weighting
Value5.6 s
6/100
10%
Value9.8 s
1/100
25%
Value10.8 s
7/100
10%
Value2,200 ms
6/100
30%
Value0.768
6/100
15%
Value12.1 s
16/100
10%
348 ms
1768 ms
255 ms
363 ms
791 ms
Our browser made a total of 59 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Aspi.cz, 42% (25 requests) were made to Static.wolterskluwer.cz and 36% (21 requests) were made to Wolterskluwer.cz. The less responsive or slowest element that took the longest time to load (1.8 sec) relates to the external source Wolterskluwer.cz.
Page size can be reduced by 326.9 kB (39%)
841.6 kB
514.7 kB
In fact, the total size of Aspi.cz main page is 841.6 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 466.6 kB which makes up the majority of the site volume.
Potential reduce by 82.7 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 20.4 kB, which is 21% 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 82.7 kB or 83% of the original size.
Potential reduce by 28.1 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. ASPI images are well optimized though.
Potential reduce by 33.8 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 33.8 kB or 60% of the original size.
Potential reduce by 182.3 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. Aspi.cz needs all CSS files to be minified and compressed as it can save up to 182.3 kB or 83% of the original size.
Number of requests can be reduced by 15 (27%)
55
40
The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ASPI. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.
aspi.cz
348 ms
o-aspi.c-24.html
1768 ms
localization.php
255 ms
public.css
363 ms
public.js
791 ms
js
53 ms
x-browsers.css
247 ms
analytics.js
12 ms
print.css
163 ms
gtm.js
82 ms
logo-wkcr.png
160 ms
icos-mini.png
159 ms
15508.jpg
700 ms
skoleni-aspi-muz.jpg
150 ms
15301.jpg
699 ms
14983.jpg
700 ms
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702 ms
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818 ms
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823 ms
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15486.jpg
1420 ms
13697.png
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14021.png
1071 ms
14350.png
1184 ms
15203.png
1193 ms
collect
19 ms
bg-head.png
127 ms
icos-mini.png
357 ms
bg-arrows.png
234 ms
bg-rm-aspi.jpg
223 ms
bg-rm-casopisy.jpg
348 ms
bg-rm-online.jpg
354 ms
bg-rm-seminare.jpg
234 ms
bg-rm-firma.jpg
335 ms
collect
108 ms
gjs.php
328 ms
bg-gradients.png
331 ms
bg-button-check.png
321 ms
L.js
321 ms
retargeting.js
452 ms
logo-wk-ereader.png
396 ms
ajax-loader.gif
369 ms
ga-audiences
35 ms
widget.php
114 ms
retargeting
116 ms
right-zalozka-only.png
305 ms
aspi.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
Links do not have a discernible name
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
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
aspi.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
Uses deprecated APIs
Missing source maps for large first-party JavaScript
aspi.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
CS
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Aspi.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 Aspi.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.
aspi.cz
Open Graph data is detected on the main page of ASPI. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: