3.3 sec in total
821 ms
2.2 sec
313 ms
Welcome to zs-lazy.edu.pl homepage info - get ready to check Zs Lazy best content for Poland right away, or after learning these important things about zs-lazy.edu.pl
Zespół Szkół im. Jana Pawła II w Łazach, ks. H.Słojewskiego 1, 05-552 Wólka Kosowska. Informacje z życia szkoły w Łazach. Szkoła w Łazach. Info o uczniach, nauczycielach i pracownikach Zespołu Szkół ...
Visit zs-lazy.edu.plWe analyzed Zs-lazy.edu.pl page load time and found that the first response time was 821 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
zs-lazy.edu.pl performance score
name
value
score
weighting
Value4.1 s
21/100
10%
Value5.8 s
15/100
25%
Value8.7 s
16/100
10%
Value690 ms
43/100
30%
Value0.002
100/100
15%
Value12.6 s
14/100
10%
821 ms
233 ms
238 ms
361 ms
239 ms
Our browser made a total of 45 requests to load all elements on the main page. We found that all of those requests were addressed to Zs-lazy.edu.pl and no external sources were called. The less responsive or slowest element that took the longest time to load (831 ms) belongs to the original domain Zs-lazy.edu.pl.
Page size can be reduced by 739.5 kB (56%)
1.3 MB
581.4 kB
In fact, the total size of Zs-lazy.edu.pl main page is 1.3 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. 30% of websites need less resources to load. Javascripts take 513.2 kB which makes up the majority of the site volume.
Potential reduce by 100.1 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. This page needs HTML code to be minified as it can gain 71.4 kB, which is 67% 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 100.1 kB or 94% of the original size.
Potential reduce by 37.0 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. Zs Lazy images are well optimized though.
Potential reduce by 362.0 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 362.0 kB or 71% of the original size.
Potential reduce by 240.4 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. Zs-lazy.edu.pl needs all CSS files to be minified and compressed as it can save up to 240.4 kB or 83% of the original size.
Number of requests can be reduced by 26 (59%)
44
18
The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zs Lazy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.
zs-lazy.edu.pl
821 ms
modal.css
233 ms
style.css
238 ms
bootstrap.min.css
361 ms
bootstrap-responsive.min.css
239 ms
bootstrap-extended.css
241 ms
bootstrap-frontend.min.css
243 ms
bootstrap-responsive-frontend.min.css
349 ms
system.css
356 ms
general.css
357 ms
template.css
370 ms
template_pro.css
374 ms
blue.css
468 ms
custom.css
472 ms
jsn_mobile.css
476 ms
jsn_social_icons.css
477 ms
mootools-core.js
601 ms
core.js
487 ms
mootools-more.js
831 ms
modal.js
589 ms
jquery.min.js
722 ms
jquery-noconflict.js
594 ms
jquery-migrate.min.js
603 ms
bootstrap.min.js
709 ms
caption.js
713 ms
noconflict.js
717 ms
utils.js
724 ms
jsn_template.js
827 ms
system.css
484 ms
logo.png
134 ms
icons-social.png
127 ms
bg-body.png
121 ms
szkola.jpg
482 ms
icons-base.png
124 ms
arrow.png
124 ms
lolek_logo.jpg
241 ms
glyphicons-halflings.png
243 ms
baner_vulcan_1.jpg
246 ms
solid-1.png
246 ms
icons-uni.png
245 ms
cloud-platform.png
370 ms
eswietlica.png
370 ms
Logo_wirtualny-_spacer1.png
485 ms
logo_moodle.png
371 ms
icon-top.png
369 ms
zs-lazy.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.
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
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Some elements have a [tabindex] value greater than 0
zs-lazy.edu.pl best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
zs-lazy.edu.pl SEO score
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
PL
PL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Zs-lazy.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 Zs-lazy.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.
zs-lazy.edu.pl
Open Graph description is not detected on the main page of Zs Lazy. 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: