5.8 sec in total
669 ms
4.1 sec
1.1 sec
Welcome to cenia.cz homepage info - get ready to check Cenia best content for Czech Republic right away, or after learning these important things about cenia.cz
Česká informační agentura životního prostředí je příspěvkovou organizací Ministerstva životního prostředí (MŽP).
Visit cenia.czWe analyzed Cenia.cz page load time and found that the first response time was 669 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
cenia.cz performance score
name
value
score
weighting
Value4.9 s
11/100
10%
Value39.7 s
0/100
25%
Value17.5 s
0/100
10%
Value170 ms
92/100
30%
Value0.33
34/100
15%
Value36.6 s
0/100
10%
669 ms
494 ms
236 ms
255 ms
256 ms
Our browser made a total of 75 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Cenia.cz, 81% (61 requests) were made to Www1.cenia.cz and 8% (6 requests) were made to Translate.googleapis.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Www1.cenia.cz.
Page size can be reduced by 390.5 kB (40%)
969.7 kB
579.2 kB
In fact, the total size of Cenia.cz main page is 969.7 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. Images take 492.4 kB which makes up the majority of the site volume.
Potential reduce by 39.2 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 39.2 kB or 76% of the original size.
Potential reduce by 72.3 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. Obviously, Cenia needs image optimization as it can save up to 72.3 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 229.6 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 229.6 kB or 63% of the original size.
Potential reduce by 49.5 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. Cenia.cz needs all CSS files to be minified and compressed as it can save up to 49.5 kB or 78% of the original size.
Number of requests can be reduced by 41 (57%)
72
31
The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cenia. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.
cenia.cz
669 ms
www
494 ms
236 ms
system.base.css
255 ms
system.menus.css
256 ms
system.messages.css
258 ms
system.theme.css
273 ms
field.css
257 ms
node.css
602 ms
search.css
378 ms
user.css
423 ms
style.css
470 ms
jquery.js
721 ms
jquery.once.js
397 ms
drupal.js
680 ms
cs_-H4OfrPAWa-jtekmKxkXghkILixjBy8AWCQgr56JMu8.js
523 ms
googleanalytics.js
557 ms
script.js
737 ms
listicka.css
654 ms
element.js
48 ms
ga.js
44 ms
Bottom_texture.jpg
155 ms
logo.gif
160 ms
show.gif
156 ms
logo_main.gif
156 ms
up.gif
157 ms
ISPOP.jpg
268 ms
logo_lidi2.jpg
269 ms
logo%20Geoport%C3%A1l_0.png
268 ms
PH%20CENIA_0.jpg
387 ms
logo%20aktualita%2016.12.2015.png
615 ms
Ro%C4%8Denka%202014.png
703 ms
logo%20INSPIRE.png
377 ms
zelen%C3%A1%20Eiffelka.jpg
387 ms
GeoCopernicus.jpg
386 ms
ispop.jpg
502 ms
envihelp_banner3.png
508 ms
copernicus.jpg
511 ms
inspire.png
626 ms
logo_geo.gif
621 ms
nikm_banner.gif
626 ms
logo-issar.jpg
632 ms
SOER_2015.jpg
732 ms
logo_ceska.png
739 ms
mmr_banner_170.jpg
749 ms
page_gl.png
723 ms
sheet_b.png
727 ms
sheet_t.png
795 ms
sheet.png
827 ms
nav.png
1168 ms
menuseparator.png
1179 ms
menuitem.png
842 ms
header.jpg
1180 ms
vmenuitem.png
906 ms
spacer.gif
939 ms
vsubitem.png
952 ms
post_b.png
1018 ms
translateelement.css
86 ms
main.js
88 ms
post_t.png
934 ms
post.png
943 ms
button.png
1020 ms
blockcontentbullets.png
1054 ms
__utm.gif
13 ms
element_main.js
38 ms
footer_b.png
1037 ms
translate_24dp.png
69 ms
l
38 ms
googlelogo_color_42x16dp.png
75 ms
footer.png
1032 ms
rssicon.png
1054 ms
loading.gif
14 ms
cleardot.gif
32 ms
te_ctrl3.gif
21 ms
googlelogo_color_68x28dp.png
34 ms
cenia.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
Image elements do not have [alt] attributes
Form elements do not have associated labels
Links do not have a discernible name
cenia.cz best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
cenia.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
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 Cenia.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 Cenia.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.
cenia.cz
Open Graph description is not detected on the main page of Cenia. 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: