5.8 sec in total
512 ms
5.1 sec
220 ms
Click here to check amazing Us content for Poland. Otherwise, check out these important facts you probably never knew about us.edu.pl
Uniwersytet Śląski tworzą ludzie, którzy poprzez działalność badawczą, dydaktyczną i artystyczną odważnie kształtują przyszłość regionu, kraju i świata
Visit us.edu.plWe analyzed Us.edu.pl page load time and found that the first response time was 512 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
us.edu.pl performance score
name
value
score
weighting
Value4.2 s
20/100
10%
Value14.7 s
0/100
25%
Value7.8 s
23/100
10%
Value1,600 ms
12/100
30%
Value0.286
42/100
15%
Value13.8 s
10/100
10%
512 ms
1273 ms
498 ms
1079 ms
346 ms
Our browser made a total of 50 requests to load all elements on the main page. We found that 90% of them (45 requests) were addressed to the original Us.edu.pl, 4% (2 requests) were made to Google-analytics.com and 2% (1 request) were made to Telewizja.us.edu.pl. The less responsive or slowest element that took the longest time to load (2 sec) belongs to the original domain Us.edu.pl.
Page size can be reduced by 470.4 kB (26%)
1.8 MB
1.3 MB
In fact, the total size of Us.edu.pl 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. 35% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.
Potential reduce by 25.2 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 25.2 kB or 76% of the original size.
Potential reduce by 93.7 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. Us images are well optimized though.
Potential reduce by 254.5 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 254.5 kB or 71% of the original size.
Potential reduce by 97.1 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. Us.edu.pl needs all CSS files to be minified and compressed as it can save up to 97.1 kB or 79% of the original size.
We found no issues to fix!
43
43
The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Us. According to our analytics all requests are already optimized.
us.edu.pl
512 ms
www.us.edu.pl
1273 ms
css_7d26bdaa1928dfcd6944f27f23a3617a.css
498 ms
js_77700bd2c67497219f41a8bde303ac9c.js
1079 ms
js_26e9db354fcadf0a131ebeb6727162ea.js
346 ms
studia%20miejskie%20ver2.snapshot.jpg
838 ms
background.png
170 ms
fb.png
176 ms
tw.png
174 ms
ig.png
336 ms
is.png
339 ms
in.png
336 ms
gp.png
344 ms
yt.png
345 ms
tv.png
347 ms
search.png
501 ms
logo-.png
503 ms
typ-US.png
504 ms
orzel.png
513 ms
menu_background.png
857 ms
more-bar.w.png
519 ms
prev.bw.png
665 ms
next.bw.png
666 ms
wybory-slider2_ok.jpg
1410 ms
656x350-4.jpg
1404 ms
skp-1.jpg
691 ms
slider-ekskursja.jpg
1817 ms
slider_kursy_jezykowe.jpg
1655 ms
studia-podyplomowe-2.jpg
1038 ms
logo_-_nzb_-_pionowe.jpg
1716 ms
more.t.png
1212 ms
writ_11.jpg
1386 ms
briefing_130_14.jpg
1565 ms
more.n.png
1577 ms
more.p.png
1575 ms
IMG_4421-fot.%20Julia%20Agnieszka%20Szymala.thumbnail.jpg
1737 ms
DSC_7098_Jan%20Dziaduszewski.thumbnail.JPG
1741 ms
more.w.png
1746 ms
bip_logo.png
1818 ms
ga.js
60 ms
google_custom_search_watermark.gif
33 ms
loading_animation.gif
1789 ms
controls.png
1812 ms
gradient.png
1810 ms
__utm.gif
25 ms
google_custom_search_watermark.gif
50 ms
KT3KS9Aol4WfR6Vas8kNcg.woff
1756 ms
9k-RPmcnxYEPm8CNFsH2gg.woff
1816 ms
BVtM30trf7q_jfqYeHfjtA.woff
1985 ms
wkfQbvfT_02e2IWO3yYueQ.woff
1732 ms
us.edu.pl 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-hidden="true"] elements contain focusable descendents
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
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
us.edu.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
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
us.edu.pl SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
PL
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Us.edu.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 Us.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.
us.edu.pl
Open Graph description is not detected on the main page of Us. 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: