6.6 sec in total
497 ms
5.9 sec
221 ms
Visit zoopraha.cz now to see the best up-to-date Zoo Praha content for Czech Republic and also check out these interesting facts you probably never knew about zoopraha.cz
Welcome to the official English pages of Prague Zoo!
Visit zoopraha.czWe analyzed Zoopraha.cz page load time and found that the first response time was 497 ms and then it took 6.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
zoopraha.cz performance score
name
value
score
weighting
Value4.4 s
16/100
10%
Value9.6 s
0/100
25%
Value8.9 s
15/100
10%
Value490 ms
59/100
30%
Value0
100/100
15%
Value8.6 s
37/100
10%
497 ms
534 ms
413 ms
321 ms
324 ms
Our browser made a total of 51 requests to load all elements on the main page. We found that 90% of them (46 requests) were addressed to the original Zoopraha.cz, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Secure.myxheat.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Zoopraha.cz.
Page size can be reduced by 602.7 kB (39%)
1.5 MB
926.2 kB
In fact, the total size of Zoopraha.cz main page is 1.5 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. 35% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.
Potential reduce by 22.6 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 22.6 kB or 77% of the original size.
Potential reduce by 252.1 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. Obviously, Zoo Praha needs image optimization as it can save up to 252.1 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 312.1 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 312.1 kB or 76% of the original size.
Potential reduce by 15.8 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. Zoopraha.cz needs all CSS files to be minified and compressed as it can save up to 15.8 kB or 77% of the original size.
Number of requests can be reduced by 15 (31%)
48
33
The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zoo Praha. 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 from 5 to 1 for CSS and as a result speed up the page load time.
zoopraha.cz
497 ms
www.zoopraha.cz
534 ms
mootools-core.js
413 ms
engine.js
321 ms
basic.css
324 ms
colors.css
324 ms
karusel.css
328 ms
home.css
326 ms
jquery-1.9.1.js
969 ms
partneri.js
645 ms
partneri-run.js
644 ms
Zoologicka-zahrada-hl-m-Prahy.png
437 ms
ZooPraha-logo.png
319 ms
facebook.jpg
321 ms
search-input.jpg
326 ms
loader.gif
328 ms
is_pagination.png
330 ms
is_timeline.png
649 ms
1Y0A0554_export_foto_Miroslav_Bobek.jpg_thumb_189.jpg
646 ms
Bhutan_03_re.jpg_thumb_189.jpg
648 ms
aktualne-zoopraha.jpg
752 ms
content-image-3.jpg
766 ms
box-new.jpg
861 ms
logo-kb.jpg
965 ms
logo-mercedes-benz.jpg
1073 ms
logo-kofola.jpg
1081 ms
logo-Prima-zmrzlina.jpg
1187 ms
logo-opavia.jpg
1196 ms
logo-mondelez.jpg
1293 ms
logo-02.jpg
1391 ms
logo-kozel.jpg
1498 ms
logo-kohinoor.jpg
1507 ms
euroawk.jpg
1506 ms
logo-dnes.jpg
1621 ms
logo-idnes.jpg
1725 ms
Prima.jpg
1715 ms
Prima_ZOOM.jpg
1931 ms
logo-opk.gif
1825 ms
logo-eu.gif
1826 ms
praha-ico.gif
1938 ms
analytics.js
53 ms
myx.js
646 ms
collect
12 ms
collect
51 ms
ga-audiences
33 ms
print.css
247 ms
Karusel.mravenecnik-karukarHOME.jpg
614 ms
Karusel.DSC_3934karHOME.jpg
530 ms
Aktualne.banners.2015_103_mladata_banner_HP_cze_1000x562karHOME.jpg
751 ms
Karusel.Velemlok_cinsky_Karlo_foto_Petr_HamernikkarHOME.jpg
858 ms
banners-main.banner-web-home-2karHOME.jpg
763 ms
zoopraha.cz accessibility score
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
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.
zoopraha.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
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
zoopraha.cz SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
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
EN
CS
UTF-8;
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zoopraha.cz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Czech language. Our system also found out that Zoopraha.cz main page’s claimed encoding is utf-8;. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
zoopraha.cz
Open Graph description is not detected on the main page of Zoo Praha. 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: