4.1 sec in total
Click here to check amazing Zak content for Poland. Otherwise, check out these important facts you probably never knew about zak.edu.pl
Żak to szkoły policealne, licea oraz kursy dla dorosłych. Jesteśmy dla Was w ponad 80 miastach w Polsce. Sprawdź naszą ofertę edukacyjną!Visit zak.edu.pl
We analyzed Zak.edu.pl page load time and found that the first response time was 396 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
zak.edu.pl performance score
Our browser made a total of 141 requests to load all elements on the main page. We found that 62% of them (88 requests) were addressed to the original Zak.edu.pl, 16% (22 requests) were made to Static.xx.fbcdn.net and 5% (7 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Zak.edu.pl.
Page size can be reduced by 595.5 kB (24%)
In fact, the total size of Zak.edu.pl main page is 2.5 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. 70% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.
Potential reduce by 70.1 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 70.1 kB or 80% of the original size.
Potential reduce by 51.8 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. Zak images are well optimized though.
Potential reduce by 326.1 kB
Potential reduce by 147.6 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. Zak.edu.pl needs all CSS files to be minified and compressed as it can save up to 147.6 kB or 84% of the original size.
Number of requests can be reduced by 77 (55%)
zak.edu.pl accessibility score
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
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.
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
Links do not have a discernible name
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
<html> element does not have a [lang] attribute
zak.edu.pl best practices score
Trust and Safety
Does not use HTTPS
Ensure CSP is effective against XSS attacks
Browser errors were logged to the console
zak.edu.pl SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Image elements do not have [alt] attributes
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/).
Document uses legible font sizes
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zak.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 Zak.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.
Open Graph description is not detected on the main page of Zak. 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: