2.3 sec in total
502 ms
1.6 sec
179 ms
Welcome to odevzdej.cz homepage info - get ready to check Odevzdej best content for Czech Republic right away, or after learning these important things about odevzdej.cz
Visit odevzdej.czWe analyzed Odevzdej.cz page load time and found that the first response time was 502 ms and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.
odevzdej.cz performance score
name
value
score
weighting
Value4.9 s
10/100
10%
Value6.3 s
10/100
25%
Value7.1 s
31/100
10%
Value960 ms
29/100
30%
Value0.127
82/100
15%
Value6.5 s
58/100
10%
502 ms
249 ms
252 ms
254 ms
412 ms
Our browser made a total of 27 requests to load all elements on the main page. We found that all of those requests were addressed to Odevzdej.cz and no external sources were called. The less responsive or slowest element that took the longest time to load (502 ms) belongs to the original domain Odevzdej.cz.
Page size can be reduced by 116.4 kB (51%)
226.1 kB
109.7 kB
In fact, the total size of Odevzdej.cz main page is 226.1 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. 15% of websites need less resources to load. Javascripts take 103.4 kB which makes up the majority of the site volume.
Potential reduce by 8.8 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 8.8 kB or 64% of the original size.
Potential reduce by 1.6 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. Odevzdej images are well optimized though.
Potential reduce by 68.3 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 68.3 kB or 66% of the original size.
Potential reduce by 37.8 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. Odevzdej.cz needs all CSS files to be minified and compressed as it can save up to 37.8 kB or 82% of the original size.
Number of requests can be reduced by 14 (54%)
26
12
The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Odevzdej. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for CSS and as a result speed up the page load time.
odevzdej.cz
502 ms
prvky.css
249 ms
jquery.alerts.css
252 ms
p.css
254 ms
jquery-1.7.1.min.js
412 ms
is-lib.js
332 ms
jquery.alerts.js
369 ms
pod.png
125 ms
o2.png
124 ms
prechod.png
124 ms
hlavicka.png
126 ms
logotyp.png
168 ms
li.png
152 ms
identita.png
245 ms
identita-form.png
246 ms
eduid-logo-150.png
251 ms
aplikace.png
267 ms
hx2.png
286 ms
vejce.png
333 ms
pravydiplom-745x100.jpg
488 ms
klic-form.png
367 ms
a-rozbal.png
376 ms
paticka.png
397 ms
hr.png
429 ms
nahoru.png
494 ms
provozuje.png
488 ms
p-tisk.css
124 ms
odevzdej.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.
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
odevzdej.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
odevzdej.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 Odevzdej.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 Odevzdej.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.
odevzdej.cz
Open Graph description is not detected on the main page of Odevzdej. 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: