3.5 sec in total
542 ms
2.4 sec
612 ms
Click here to check amazing It Szkola content for Poland. Otherwise, check out these important facts you probably never knew about it-szkola.edu.pl
OSE IT Szkoła to internetowy, otwarty program przeduniwersyteckich studiów e-learningowych w zakresie teorii oraz zastosowań technologii informacyjno-komunikacyjnych (ICT) dla uczniów szkół pona
Visit it-szkola.edu.plWe analyzed It-szkola.edu.pl page load time and found that the first response time was 542 ms and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
it-szkola.edu.pl performance score
name
value
score
weighting
Value5.4 s
7/100
10%
Value13.8 s
0/100
25%
Value7.3 s
29/100
10%
Value600 ms
50/100
30%
Value0.028
100/100
15%
Value11.1 s
20/100
10%
542 ms
226 ms
549 ms
341 ms
32 ms
Our browser made a total of 60 requests to load all elements on the main page. We found that 58% of them (35 requests) were addressed to the original It-szkola.edu.pl, 20% (12 requests) were made to Scontent.xx.fbcdn.net and 17% (10 requests) were made to Static.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain It-szkola.edu.pl.
Page size can be reduced by 153.6 kB (11%)
1.4 MB
1.3 MB
In fact, the total size of It-szkola.edu.pl main page is 1.4 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. 45% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.
Potential reduce by 13.3 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 7.6 kB, which is 47% 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 13.3 kB or 83% of the original size.
Potential reduce by 40.1 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. It Szkola images are well optimized though.
Potential reduce by 68.4 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 68.4 kB or 57% of the original size.
Potential reduce by 31.8 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. It-szkola.edu.pl needs all CSS files to be minified and compressed as it can save up to 31.8 kB or 87% of the original size.
Number of requests can be reduced by 8 (14%)
59
51
The browser has sent 59 CSS, Javascripts, AJAX and image requests in order to completely render the main page of It Szkola. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.
it-szkola.edu.pl
542 ms
style.css
226 ms
jquery-1.8.3.min.js
549 ms
script.js
341 ms
ga.js
32 ms
__utm.gif
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headerBoxBg.jpg
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headerBox_zima2.jpg
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headerBox_zimaOne.png
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headerBox_zimaTwo.png
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headerBox_zimaThree.png
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mText.png
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usersS.png
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centerBgFull.jpg
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centerBg.jpg
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centerShadowBg.jpg
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centerBoxContent.jpg
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frontBoxs_4.png
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frontRankBg1.png
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preBottom.jpg
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bottomBgAll.jpg
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bottomBgTop.jpg
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bottomBgFull.jpg
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nask.png
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partnerProgramu-wwsi.png
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udp-i.png
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eskills.png
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bottomMaxAll.jpg
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likebox.php
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it-szkola.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-*] attributes do not match their roles
ARIA IDs are not unique
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
Buttons do not have an accessible name
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
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
it-szkola.edu.pl 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
it-szkola.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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise It-szkola.edu.pl can be misinterpreted by Google and other search engines. Our service has detected that English 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 It-szkola.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.
it-szkola.edu.pl
Open Graph data is detected on the main page of It Szkola. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: