7.4 sec in total
2.1 sec
5.2 sec
191 ms
Click here to check amazing Kosek content for Poland. Otherwise, check out these important facts you probably never knew about kosek.edu.pl
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Visit kosek.edu.plWe analyzed Kosek.edu.pl page load time and found that the first response time was 2.1 sec and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
kosek.edu.pl performance score
name
value
score
weighting
Value11.5 s
0/100
10%
Value11.5 s
0/100
25%
Value21.1 s
0/100
10%
Value3,620 ms
1/100
30%
Value0.018
100/100
15%
Value27.6 s
0/100
10%
2060 ms
15 ms
239 ms
240 ms
237 ms
Our browser made a total of 94 requests to load all elements on the main page. We found that 85% of them (80 requests) were addressed to the original Kosek.edu.pl, 2% (2 requests) were made to Googletagmanager.com and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Kosek.edu.pl.
Page size can be reduced by 288.6 kB (7%)
3.9 MB
3.6 MB
In fact, the total size of Kosek.edu.pl main page is 3.9 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. 60% of websites need less resources to load. Images take 3.5 MB which makes up the majority of the site volume.
Potential reduce by 42.0 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. 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 42.0 kB or 77% of the original size.
Potential reduce by 163.6 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. Kosek images are well optimized though.
Potential reduce by 40.3 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 40.3 kB or 19% of the original size.
Potential reduce by 42.6 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. Kosek.edu.pl needs all CSS files to be minified and compressed as it can save up to 42.6 kB or 31% of the original size.
Number of requests can be reduced by 72 (79%)
91
19
The browser has sent 91 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kosek. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 47 to 1 for JavaScripts and from 27 to 1 for CSS and as a result speed up the page load time.
kosek.edu.pl
2060 ms
js
15 ms
fblb.css
239 ms
reset.css
240 ms
960_24_col_responsive.css
237 ms
style.css
463 ms
superfish.css
242 ms
media.css
339 ms
animate.css
576 ms
style.min.css
583 ms
js
57 ms
analytics.js
74 ms
wp-emoji-release.min.js
332 ms
font-awesome.css
331 ms
bootstrap.min.css
541 ms
prettyPhoto.css
435 ms
jquery.classycountdown.css
447 ms
twentytwenty.css
447 ms
audioplayer.css
548 ms
weather-icons.min.css
549 ms
animate.css
669 ms
shortcode.css
793 ms
slick.css
562 ms
slick-theme.css
655 ms
wen-logo-slider-public.css
654 ms
job-listings.css
658 ms
lightbox.min.pl_PL.css
678 ms
front.min.css
767 ms
jetpack.css
887 ms
plusone.js
65 ms
jquery.min.js
886 ms
jquery-migrate.min.js
787 ms
userscripts.js
798 ms
frontend-gtag.min.js
879 ms
apbct-public.min.js
949 ms
cleantalk-modal.min.js
950 ms
cleantalk_nocache.min.js
952 ms
cleantalk_external.min.js
991 ms
cleantalk_internal.min.js
996 ms
bootstrap.min.js
1010 ms
e-202239.js
44 ms
collect
13 ms
collect
32 ms
green.css
952 ms
jquery.waypoints.js
953 ms
jquery.countdown.min.js
1021 ms
jquery.easypiechart.min.js
1021 ms
ga-audiences
38 ms
jquery.prettyPhoto.js
935 ms
css
39 ms
css
53 ms
jquery.knob.js
816 ms
jquery.throttle.js
830 ms
jquery.classycountdown.min.js
892 ms
jquery.event.move.js
804 ms
jquery.twentytwenty.js
820 ms
audioplayer.js
814 ms
chart.min.js
832 ms
slick.min.js
897 ms
superfish.js
798 ms
jquery.flexslider.js
835 ms
jquery.tipsy.js
833 ms
jquery.meanmenu.2.0.min.js
835 ms
jquery.meanmenu.options.js
800 ms
modernizr.custom.79639.js
803 ms
custom.js
838 ms
front.min.js
846 ms
photon.min.js
839 ms
moment.min.js
867 ms
magee-shortcodes.js
824 ms
magee-modal.js
813 ms
wp-lightbox-2.min.js
876 ms
jquery.ba-cond.js
854 ms
jquery.slitslider.js
849 ms
cb=gapi.loaded_0
34 ms
slider-init.js
789 ms
wp-embed.min.js
785 ms
Logo-kosek-kosek-e1454363492189.png
269 ms
przyjazna-rekrutacja-4.png
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przyjazna-rekrutacja-6.png
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prev_slide.png
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next_slide.png
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pagination.png
264 ms
link.png
320 ms
man-1191845__180.jpg
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8.jpg
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image71479155867.png
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4.jpg
435 ms
green-arrow.png
475 ms
facebook-icon.png
551 ms
fb1-left.png
594 ms
all.js
15 ms
all.js
53 ms
63 ms
kosek.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
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.
kosek.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
Browser errors were logged to the console
Page has valid source maps
kosek.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
Tap targets are not sized appropriately
EN
PL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kosek.edu.pl can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it does not match the claimed Polish language. Our system also found out that Kosek.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.
kosek.edu.pl
Open Graph data is detected on the main page of Kosek. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: