5.9 sec in total
1.6 sec
4.1 sec
220 ms
Click here to check amazing Dul Y content. Otherwise, check out these important facts you probably never knew about duly.cz
Česká asociace dul
Visit duly.czWe analyzed Duly.cz page load time and found that the first response time was 1.6 sec and then it took 4.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
duly.cz performance score
name
value
score
weighting
Value18.2 s
0/100
10%
Value21.8 s
0/100
25%
Value36.7 s
0/100
10%
Value1,770 ms
10/100
30%
Value0.017
100/100
15%
Value35.4 s
0/100
10%
1555 ms
1061 ms
507 ms
739 ms
354 ms
Our browser made a total of 25 requests to load all elements on the main page. We found that 92% of them (23 requests) were addressed to the original Duly.cz, 8% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Duly.cz.
Page size can be reduced by 403.2 kB (46%)
879.0 kB
475.8 kB
In fact, the total size of Duly.cz main page is 879.0 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 486.5 kB which makes up the majority of the site volume.
Potential reduce by 7.9 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 7.9 kB or 72% of the original size.
Potential reduce by 10.8 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. Dul Y images are well optimized though.
Potential reduce by 346.1 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 346.1 kB or 71% of the original size.
Potential reduce by 38.4 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. Duly.cz needs all CSS files to be minified and compressed as it can save up to 38.4 kB or 79% of the original size.
Number of requests can be reduced by 7 (33%)
21
14
The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dul Y. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and as a result speed up the page load time.
duly.cz
1555 ms
www.duly.cz
1061 ms
jquery-1.11.0.min.js
507 ms
jquery-ui-1.10.3.custom.min.js
739 ms
modernizr.dev.min.js
354 ms
cezetmap.js
470 ms
selectivizr-min.js
262 ms
jquery.prettyPhoto.js
378 ms
init.js
378 ms
style.css
584 ms
prettyPhoto.css
613 ms
back.jpg
519 ms
TITULKA_nove.jpg
276 ms
nav.png
293 ms
frame.png
173 ms
120x120-HAM.gif
173 ms
jakSquare1.jpg
184 ms
strp2015_125x125.gif
455 ms
footer.jpg
400 ms
icon_duly.png
309 ms
icon_fb.png
397 ms
analytics.js
6 ms
cmunss.woff
642 ms
cmunsx.woff
621 ms
collect
13 ms
duly.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
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
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.
duly.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
Page has valid source maps
duly.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
CS
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Duly.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it matches the claimed language. Our system also found out that Duly.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.
duly.cz
Open Graph data is detected on the main page of Dul Y. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: