6.8 sec in total
404 ms
5.4 sec
1 sec
Visit libratus.edu.pl now to see the best up-to-date Libratus content for United Kingdom and also check out these interesting facts you probably never knew about libratus.edu.pl
Polskie Szkoły Internetowe Libratus ⬅️ Jako bezpłatna szkoła online zapewniamy edukację przez internet dla polskich dzieci przebywających poza granicami kraju.
Visit libratus.edu.plWe analyzed Libratus.edu.pl page load time and found that the first response time was 404 ms and then it took 6.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
libratus.edu.pl performance score
name
value
score
weighting
Value6.0 s
4/100
10%
Value6.1 s
12/100
25%
Value6.7 s
36/100
10%
Value30 ms
100/100
30%
Value0.035
100/100
15%
Value6.9 s
54/100
10%
404 ms
1180 ms
59 ms
220 ms
33 ms
Our browser made a total of 194 requests to load all elements on the main page. We found that 45% of them (87 requests) were addressed to the original Libratus.edu.pl, 23% (44 requests) were made to Static.xx.fbcdn.net and 10% (19 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Libratus.edu.pl.
Page size can be reduced by 4.0 MB (48%)
8.4 MB
4.4 MB
In fact, the total size of Libratus.edu.pl main page is 8.4 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. 85% 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 5.1 MB which makes up the majority of the site volume.
Potential reduce by 87.9 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. 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 87.9 kB or 78% of the original size.
Potential reduce by 1.3 MB
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, Libratus needs image optimization as it can save up to 1.3 MB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 684.0 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 684.0 kB or 67% of the original size.
Potential reduce by 1.9 MB
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. Libratus.edu.pl needs all CSS files to be minified and compressed as it can save up to 1.9 MB or 91% of the original size.
Number of requests can be reduced by 98 (58%)
168
70
The browser has sent 168 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Libratus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 54 to 1 for JavaScripts and from 36 to 1 for CSS and as a result speed up the page load time.
libratus.edu.pl
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libratus.edu.pl 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
Links do not have a discernible name
libratus.edu.pl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
libratus.edu.pl 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
PL
PL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Libratus.edu.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and it matches the claimed language. Our system also found out that Libratus.edu.pl 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.
libratus.edu.pl
Open Graph description is not detected on the main page of Libratus. 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: