5 sec in total
438 ms
4.1 sec
449 ms
Click here to check amazing Mirakulum content for Czech Republic. Otherwise, check out these important facts you probably never knew about mirakulum.cz
Zemi plnou her, zábavy, stromů, zvířat a dětské fantazie najdete v Milovicích nad Labem. Jedinečný zábavně-naučný park na ploše 12 hektarů našel inspiraci v tom nejlepším ze světových parků i v nejtaj...
Visit mirakulum.czWe analyzed Mirakulum.cz page load time and found that the first response time was 438 ms and then it took 4.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
mirakulum.cz performance score
name
value
score
weighting
Value6.4 s
2/100
10%
Value20.4 s
0/100
25%
Value20.8 s
0/100
10%
Value2,150 ms
6/100
30%
Value0.162
72/100
15%
Value38.3 s
0/100
10%
438 ms
856 ms
122 ms
225 ms
227 ms
Our browser made a total of 119 requests to load all elements on the main page. We found that 73% of them (87 requests) were addressed to the original Mirakulum.cz, 8% (10 requests) were made to Static.xx.fbcdn.net and 7% (8 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Mirakulum.cz.
Page size can be reduced by 360.6 kB (15%)
2.4 MB
2.1 MB
In fact, the total size of Mirakulum.cz main page is 2.4 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. 75% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.0 MB which makes up the majority of the site volume.
Potential reduce by 37.3 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. This page needs HTML code to be minified as it can gain 9.5 kB, which is 19% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 37.3 kB or 76% of the original size.
Potential reduce by 85.8 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. Mirakulum images are well optimized though.
Potential reduce by 162.7 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 162.7 kB or 67% of the original size.
Potential reduce by 74.8 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. Mirakulum.cz needs all CSS files to be minified and compressed as it can save up to 74.8 kB or 74% of the original size.
Number of requests can be reduced by 36 (31%)
117
81
The browser has sent 117 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mirakulum. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.
mirakulum.cz
438 ms
www.mirakulum.cz
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mirakulum.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-*] attributes do not match their roles
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.
mirakulum.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
mirakulum.cz SEO score
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 Mirakulum.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 Mirakulum.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.
mirakulum.cz
Open Graph description is not detected on the main page of Mirakulum. 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: