5.5 sec in total
326 ms
4.9 sec
236 ms
Welcome to muzeumkarlazemana.cz homepage info - get ready to check Muzeum Karla Zemana best content for Czech Republic right away, or after learning these important things about muzeumkarlazemana.cz
Navštivte interaktivní expozici filmového muzea, kde Vám moderní počítačové technologie představí celoživotní dílo světově uznávaného filmového tvůrce Karla Zemana a jeho filmové triky, kterými prosla...
Visit muzeumkarlazemana.czWe analyzed Muzeumkarlazemana.cz page load time and found that the first response time was 326 ms and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
muzeumkarlazemana.cz performance score
name
value
score
weighting
Value2.2 s
77/100
10%
Value8.4 s
2/100
25%
Value11.1 s
6/100
10%
Value740 ms
40/100
30%
Value0.175
69/100
15%
Value13.2 s
12/100
10%
326 ms
681 ms
93 ms
138 ms
218 ms
Our browser made a total of 95 requests to load all elements on the main page. We found that 87% of them (83 requests) were addressed to the original Muzeumkarlazemana.cz, 4% (4 requests) were made to Fonts.gstatic.com and 3% (3 requests) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Muzeumkarlazemana.cz.
Page size can be reduced by 830.4 kB (46%)
1.8 MB
987.8 kB
In fact, the total size of Muzeumkarlazemana.cz main page is 1.8 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. 45% of websites need less resources to load. Images take 781.6 kB which makes up the majority of the site volume.
Potential reduce by 65.9 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. This page needs HTML code to be minified as it can gain 17.9 kB, which is 23% 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 65.9 kB or 85% of the original size.
Potential reduce by 80.3 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. Muzeum Karla Zemana images are well optimized though.
Potential reduce by 472.7 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 472.7 kB or 67% of the original size.
Potential reduce by 211.6 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. Muzeumkarlazemana.cz needs all CSS files to be minified and compressed as it can save up to 211.6 kB or 84% of the original size.
Number of requests can be reduced by 53 (60%)
89
36
The browser has sent 89 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Muzeum Karla Zemana. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 28 to 1 for JavaScripts and from 20 to 1 for CSS and as a result speed up the page load time.
muzeumkarlazemana.cz
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en
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jquery.min.js
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muzeumkarlazemana.cz accessibility score
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
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
muzeumkarlazemana.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
Page has valid source maps
muzeumkarlazemana.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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Muzeumkarlazemana.cz can be misinterpreted by Google and other search engines. Our service has detected that Czech is used on the page, and it does not match the claimed English language. Our system also found out that Muzeumkarlazemana.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.
muzeumkarlazemana.cz
Open Graph description is not detected on the main page of Muzeum Karla Zemana. 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: