5 sec in total
449 ms
3.7 sec
805 ms
Click here to check amazing Wsz Lko content. Otherwise, check out these important facts you probably never knew about wsz-lko.pl
Visit wsz-lko.plWe analyzed Wsz-lko.pl page load time and found that the first response time was 449 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
wsz-lko.pl performance score
name
value
score
weighting
Value3.5 s
34/100
10%
Value5.9 s
14/100
25%
Value5.4 s
56/100
10%
Value0 ms
100/100
30%
Value0
100/100
15%
Value4.7 s
80/100
10%
449 ms
1093 ms
223 ms
216 ms
219 ms
Our browser made a total of 85 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Wsz-lko.pl, 61% (52 requests) were made to Wszlko.edu.pl and 18% (15 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Wszlko.edu.pl.
Page size can be reduced by 1.0 MB (25%)
4.1 MB
3.1 MB
In fact, the total size of Wsz-lko.pl main page is 4.1 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. 65% of websites need less resources to load. Images take 2.9 MB which makes up the majority of the site volume.
Potential reduce by 99.5 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 56.2 kB, which is 51% 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 99.5 kB or 91% of the original size.
Potential reduce by 37.6 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. Wsz Lko images are well optimized though.
Potential reduce by 388.6 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 388.6 kB or 81% of the original size.
Potential reduce by 484.9 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. Wsz-lko.pl needs all CSS files to be minified and compressed as it can save up to 484.9 kB or 89% of the original size.
Number of requests can be reduced by 41 (51%)
81
40
The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Wsz Lko. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
wsz-lko.pl
449 ms
www.wszlko.edu.pl
1093 ms
bootstrap.min.css
223 ms
font-awesome.min.css
216 ms
owl.carousel.css
219 ms
owl.theme.css
219 ms
dropzone.css
232 ms
jquery-ui.css
234 ms
css
23 ms
style.css
568 ms
jquery.js
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bootstrap.min.js
333 ms
off-canvas.js
332 ms
jquery.isotope.min.js
338 ms
resize.js
337 ms
custom-portfolio.js
443 ms
owl.carousel.min.js
445 ms
jquery.parallax-1.1.3.js
449 ms
dropzone.js
453 ms
jquery-ui.min.js
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datepicker-pl.js
555 ms
custom.js
564 ms
sdk.js
56 ms
image-preload.gif
179 ms
logo.png
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slide.jpg
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wsz-lko.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.
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.
wsz-lko.pl 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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Issues were logged in the Issues panel in Chrome Devtools
wsz-lko.pl 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
PL
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Wsz-lko.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish 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 Wsz-lko.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.
wsz-lko.pl
Open Graph description is not detected on the main page of Wsz Lko. 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: