22.2 sec in total
8.7 sec
12 sec
1.4 sec
Click here to check amazing Zs 4 Suwalki content for Poland. Otherwise, check out these important facts you probably never knew about zs4.suwalki.pl
Portal informacyjny Zespołu Szkół nr 4 w Suwałkach
Visit zs4.suwalki.plWe analyzed Zs4.suwalki.pl page load time and found that the first response time was 8.7 sec and then it took 13.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
zs4.suwalki.pl performance score
name
value
score
weighting
Value4.5 s
15/100
10%
Value14.0 s
0/100
25%
Value9.1 s
14/100
10%
Value30 ms
100/100
30%
Value0.423
23/100
15%
Value10.0 s
27/100
10%
8740 ms
241 ms
333 ms
335 ms
333 ms
Our browser made a total of 56 requests to load all elements on the main page. We found that all of those requests were addressed to Zs4.suwalki.pl and no external sources were called. The less responsive or slowest element that took the longest time to load (8.7 sec) belongs to the original domain Zs4.suwalki.pl.
Page size can be reduced by 1.2 MB (19%)
6.3 MB
5.1 MB
In fact, the total size of Zs4.suwalki.pl main page is 6.3 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. 40% of websites need less resources to load. Images take 6.0 MB which makes up the majority of the site volume.
Potential reduce by 57.9 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 57.9 kB or 88% of the original size.
Potential reduce by 997.4 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, Zs 4 Suwalki needs image optimization as it can save up to 997.4 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 100.8 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 100.8 kB or 74% of the original size.
Potential reduce by 27.6 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. Zs4.suwalki.pl needs all CSS files to be minified and compressed as it can save up to 27.6 kB or 83% of the original size.
Number of requests can be reduced by 19 (35%)
55
36
The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Zs 4 Suwalki. 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.
zs4.suwalki.pl
8740 ms
mootools.js
241 ms
caption.js
333 ms
silverlight.js
335 ms
wmvplayer.js
333 ms
swfobject.js
351 ms
avreloaded.js
350 ms
continiousscroll.js
357 ms
scrollinit.js
441 ms
system.css
445 ms
general.css
443 ms
template.css
468 ms
script.js
466 ms
Page-BgTexture.jpg
120 ms
Page-BgGradient.jpg
115 ms
Page-BgGlare.png
224 ms
Sheet-s.png
113 ms
Sheet-h.png
122 ms
Sheet-v.png
121 ms
nav.png
226 ms
MenuItem.png
225 ms
Header.jpg
465 ms
BlockContent-s.png
238 ms
BlockContent-h.png
239 ms
BlockContent-v.png
334 ms
BlockHeader.png
337 ms
BlockHeaderIcon.png
336 ms
BlockContentBullets.png
355 ms
img_1252947408_893_sm.jpg
378 ms
img_1390637764_357_sm.jpg
449 ms
img_1252793939_894_sm.jpg
464 ms
img_1322049298_9_sm.jpg
468 ms
img_1319541806_392_sm.jpg
472 ms
img_1263891594_647_sm.jpg
509 ms
img_1276272938_132_sm.jpg
560 ms
img_1307440790_837_sm.jpg
589 ms
img_1301641942_359_sm.jpg
593 ms
img_1252945469_425_sm.jpg
586 ms
PostBullets.png
594 ms
srebrne%20technikum%202016_t.png
1437 ms
szkola_wspolpracy215.png
672 ms
karta_szkolna_logo_150.png
1464 ms
logobs80.png
707 ms
idziennik.jpg
704 ms
ell-logo_4c-pos_pl_200.png
711 ms
PostDateIcon.png
783 ms
PostAuthorIcon.png
817 ms
plakat%202016%20blue.jpg
2785 ms
plakat%20a3_suwalki%20fit_osir2.jpg
2316 ms
lena1.jpg
898 ms
lena2.jpg
1040 ms
images.jpg
1009 ms
erasmus25.02%202%201.jpg
1228 ms
erasmus25.02%205.jpg
1254 ms
Footer.png
1240 ms
MenuSeparator.png
1265 ms
zs4.suwalki.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
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
zs4.suwalki.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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
zs4.suwalki.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
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 Zs4.suwalki.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 Zs4.suwalki.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.
zs4.suwalki.pl
Open Graph description is not detected on the main page of Zs 4 Suwalki. 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: