3.4 sec in total
510 ms
2.7 sec
158 ms
Welcome to ksi.mff.cuni.cz homepage info - get ready to check Ksi Mff Cuni best content for Czech Republic right away, or after learning these important things about ksi.mff.cuni.cz
Homepage of the Department of Software Engineering, Faculty of Mathematics and Physics, Charles University (MFF UK)
Visit ksi.mff.cuni.czWe analyzed Ksi.mff.cuni.cz page load time and found that the first response time was 510 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
ksi.mff.cuni.cz performance score
name
value
score
weighting
Value5.7 s
5/100
10%
Value12.8 s
0/100
25%
Value7.9 s
22/100
10%
Value250 ms
84/100
30%
Value0.062
97/100
15%
Value15.7 s
6/100
10%
510 ms
916 ms
28 ms
192 ms
364 ms
Our browser made a total of 41 requests to load all elements on the main page. We found that 59% of them (24 requests) were addressed to the original Ksi.mff.cuni.cz, 29% (12 requests) were made to Fonts.gstatic.com and 2% (1 request) were made to Code.jquery.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Ksi.mff.cuni.cz.
Page size can be reduced by 518.6 kB (69%)
748.9 kB
230.3 kB
In fact, the total size of Ksi.mff.cuni.cz main page is 748.9 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. 50% of websites need less resources to load. Javascripts take 457.3 kB which makes up the majority of the site volume.
Potential reduce by 12.0 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 6.3 kB, which is 44% 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 12.0 kB or 83% of the original size.
Potential reduce by 272.1 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 272.1 kB or 59% of the original size.
Potential reduce by 234.6 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. Ksi.mff.cuni.cz needs all CSS files to be minified and compressed as it can save up to 234.6 kB or 85% of the original size.
Number of requests can be reduced by 21 (81%)
26
5
The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ksi Mff Cuni. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
ksi.mff.cuni.cz
510 ms
www.ksi.mff.cuni.cz
916 ms
jquery-3.6.0.slim.min.js
28 ms
areas.js
192 ms
members.js
364 ms
courses.js
290 ms
projects.js
289 ms
opportunities.js
304 ms
render.js
316 ms
css
41 ms
all.min.css
35 ms
bootstrap.min.css
752 ms
bootstrap-icons.css
482 ms
glightbox.min.css
387 ms
swiper-bundle.min.css
404 ms
style.css
527 ms
bootstrap.bundle.min.js
452 ms
glightbox.min.js
488 ms
isotope.pkgd.min.js
512 ms
swiper-bundle.min.js
712 ms
main.js
540 ms
filter.js
542 ms
header.js
584 ms
footer.js
613 ms
ksi2023.webp
1002 ms
embed
402 ms
notebook-background.webp
486 ms
js
61 ms
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ksi.mff.cuni.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.
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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
ksi.mff.cuni.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
ksi.mff.cuni.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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ksi.mff.cuni.cz can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Ksi.mff.cuni.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.
ksi.mff.cuni.cz
Open Graph description is not detected on the main page of Ksi Mff Cuni. 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: