7.7 sec in total
837 ms
6.5 sec
372 ms
Click here to check amazing Czech Centres content for Russia. Otherwise, check out these important facts you probably never knew about czechcentres.cz
Official webpage of the Czech Centres. Information about Czech Centres abroad, Czech culture. Support and organisation of Czech related events, film screenings, exhibitions.
Visit czechcentres.czWe analyzed Czechcentres.cz page load time and found that the first response time was 837 ms and then it took 6.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
czechcentres.cz performance score
name
value
score
weighting
Value3.5 s
34/100
10%
Value5.4 s
21/100
25%
Value6.9 s
33/100
10%
Value860 ms
33/100
30%
Value0.077
95/100
15%
Value9.3 s
31/100
10%
837 ms
856 ms
23 ms
362 ms
246 ms
Our browser made a total of 85 requests to load all elements on the main page. We found that 79% of them (67 requests) were addressed to the original Czechcentres.cz, 9% (8 requests) were made to Ajax.googleapis.com and 4% (3 requests) were made to S.ytimg.com. The less responsive or slowest element that took the longest time to load (4.2 sec) belongs to the original domain Czechcentres.cz.
Page size can be reduced by 607.6 kB (49%)
1.2 MB
632.7 kB
In fact, the total size of Czechcentres.cz main page is 1.2 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. 40% of websites need less resources to load. Javascripts take 458.0 kB which makes up the majority of the site volume.
Potential reduce by 29.2 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 29.2 kB or 75% of the original size.
Potential reduce by 15.6 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. Czech Centres images are well optimized though.
Potential reduce by 307.6 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 307.6 kB or 67% of the original size.
Potential reduce by 255.1 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. Czechcentres.cz needs all CSS files to be minified and compressed as it can save up to 255.1 kB or 83% of the original size.
Number of requests can be reduced by 39 (48%)
82
43
The browser has sent 82 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Czech Centres. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
www.czechcentres.cz
837 ms
highslide.css
856 ms
tundra.css
23 ms
ceska-centra-screen.css
362 ms
office-screen.css
246 ms
dojo.xd.js
723 ms
highslide-full.js
723 ms
dojo-scripts.js
247 ms
fix1-5.js
368 ms
swfobject.js
486 ms
site.js
482 ms
dijit.css
13 ms
timing.xd.js
59 ms
parser.xd.js
58 ms
fx.xd.js
59 ms
ga.js
55 ms
skin-universal-body.gif
1810 ms
top-hp-bg.png
122 ms
skin-universal-top-hp.gif
725 ms
top-name.png
124 ms
logo-cc.png
263 ms
logo-cc.gif
125 ms
cs.gif
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en.gif
265 ms
top-menu-bg.png
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stripes-gray-2.gif
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380X530__cover-foto2-.jpg
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nr1.png
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stripes-blue.gif
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260X260__gdc30_logo.jpg
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260X260__cena_center.jpg
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stripes-gray.gif
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_base.xd.js
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stamp.xd.js
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Toggler.xd.js
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__utm.gif
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250X57__fsvtemp-531-version1-fsv_uk_logo_cz_black_rgb.jpg
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300X200__ujop_logo.jpg
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www-embed-player-vflZsBgOl.css
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www-embed-player.js
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base.js
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300X168__logo-karel-iv.jpg
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300X111__logonl_obdelnik.jpg
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300X54__czech_that_film.jpg
1800 ms
6BOEML_YqI6cKINK5dmh8ZufcXg7sBa4jeB-I9gQ0xI.js
21 ms
ad_status.js
59 ms
zN7GBFwfMP4uA6AR0HCoLQ.ttf
66 ms
RxZJdnzeo3R5zSexge8UUaCWcynf_cDxXwCLxiixG1c.ttf
75 ms
300X142__pml_baner.jpg
2007 ms
100X19__exportcz-logo11.jpg
1697 ms
1631 ms
1601 ms
btn-search.gif
1572 ms
logo-cc-2.gif
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rss.jpg
1577 ms
logo-facebook.gif
1594 ms
logo-mf-mini.gif
1486 ms
ceska-centra-print.css
123 ms
red-arrow-small.jpg
124 ms
drop-shadow.png
125 ms
zoomout.cur
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loader.white.gif
126 ms
czechcentres.cz accessibility score
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-hidden="true"] elements contain focusable descendents
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
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
czechcentres.cz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
czechcentres.cz SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
Image elements do not have [alt] attributes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Page is blocked from indexing
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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Czechcentres.cz can be misinterpreted by Google and other search engines. Our service has detected that English 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 Czechcentres.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.
czechcentres.cz
Open Graph description is not detected on the main page of Czech Centres. 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: