8.5 sec in total
2.9 sec
5.1 sec
574 ms
Welcome to zst.bytom.pl homepage info - get ready to check ZST Bytom best content for Poland right away, or after learning these important things about zst.bytom.pl
Oficjalna strona Zespołu Szkół Technicznych w Bytomiu
Visit zst.bytom.plWe analyzed Zst.bytom.pl page load time and found that the first response time was 2.9 sec and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
zst.bytom.pl performance score
name
value
score
weighting
Value2.9 s
54/100
10%
Value5.9 s
14/100
25%
Value3.5 s
88/100
10%
Value40 ms
100/100
30%
Value0
100/100
15%
Value4.7 s
79/100
10%
2888 ms
469 ms
236 ms
866 ms
360 ms
Our browser made a total of 58 requests to load all elements on the main page. We found that 83% of them (48 requests) were addressed to the original Zst.bytom.pl, 3% (2 requests) were made to Solicad.com and 3% (2 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.9 sec) belongs to the original domain Zst.bytom.pl.
Page size can be reduced by 387.0 kB (36%)
1.1 MB
681.1 kB
In fact, the total size of Zst.bytom.pl main page is 1.1 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. 20% of websites need less resources to load. Images take 662.2 kB which makes up the majority of the site volume.
Potential reduce by 28.8 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 28.8 kB or 78% of the original size.
Potential reduce by 94.3 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. Obviously, ZST Bytom needs image optimization as it can save up to 94.3 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 248.6 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 248.6 kB or 71% of the original size.
Potential reduce by 15.3 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. Zst.bytom.pl needs all CSS files to be minified and compressed as it can save up to 15.3 kB or 79% of the original size.
Number of requests can be reduced by 14 (26%)
53
39
The browser has sent 53 CSS, Javascripts, AJAX and image requests in order to completely render the main page of ZST Bytom. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
zst.bytom.pl
2888 ms
ic_rounded_module.css
469 ms
style.css
236 ms
mootools-core.js
866 ms
core.js
360 ms
caption.js
241 ms
mootools-more.js
1164 ms
jquery.min.js
72 ms
jquery.noconflict.js
350 ms
jQuery.highlightToday.min.js
360 ms
jquery-latest.js
7 ms
style.css
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css
40 ms
demo.css
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forkit.css
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forkit.js
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progecad-100px-57px.png
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tlo.png
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header1.jpg
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brazowe-technikum-perspektywy1.jpg
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logo_polsl.png
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logo_ecdl.jpg
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zastepstwa.png
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planlekcji.png
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dziennikonline.png
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logo_office_365_m.png
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dzien_otwarty_22-03-2016.jpg
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pdf.gif
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pogimnazjum_bytom_pl.jpg
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andrph.jpg
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besyha.jpg
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bibebi.jpg
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podsta.jpg
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bip_logo.jpg
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ssj.jpeg
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european_quality_logo.jpg
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zawodowcy.jpg
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Zawodowcy%20-%20banner.gif
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fmp.png
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ZPrAE_logo.gif
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zdawalnosc_matur.png
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zdawalnosc_zawodowego.png
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cien.png
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desen.png
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desen2.png
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menubutton.png
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iCicons.woff
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close-button.png
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DvlFBScY1r-FMtZSYIYoYw.ttf
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v0SdcGFAl2aezM9Vq_aFTQ.ttf
49 ms
like.php
156 ms
qeKvIRsJabD.js
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LVx-xkvaJ0b.png
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progecad-100px-57px.png
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zst.bytom.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.
zst.bytom.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
zst.bytom.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
PL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zst.bytom.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 Zst.bytom.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.
zst.bytom.pl
Open Graph description is not detected on the main page of ZST Bytom. 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: