7.6 sec in total
1.8 sec
5.7 sec
165 ms
Visit copernicus.edu.pl now to see the best up-to-date Copernicus content for Poland and also check out these interesting facts you probably never knew about copernicus.edu.pl
Copernicus to zajęcia w weekendy, darmowe kierunki, aktywna zawodowo kadra praktyków i wiadomości, które od razu wykorzystasz w obecnej i przyszłej pracy!
Visit copernicus.edu.plWe analyzed Copernicus.edu.pl page load time and found that the first response time was 1.8 sec and then it took 5.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
copernicus.edu.pl performance score
name
value
score
weighting
Value3.6 s
31/100
10%
Value10.0 s
0/100
25%
Value13.5 s
2/100
10%
Value1,800 ms
9/100
30%
Value0.687
7/100
15%
Value8.3 s
39/100
10%
1783 ms
1894 ms
748 ms
427 ms
77 ms
Our browser made a total of 65 requests to load all elements on the main page. We found that 35% of them (23 requests) were addressed to the original Copernicus.edu.pl, 31% (20 requests) were made to Static.xx.fbcdn.net and 12% (8 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Copernicus.edu.pl.
Page size can be reduced by 190.4 kB (28%)
682.3 kB
491.9 kB
In fact, the total size of Copernicus.edu.pl main page is 682.3 kB. 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. Images take 392.5 kB which makes up the majority of the site volume.
Potential reduce by 9.0 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 9.0 kB or 70% of the original size.
Potential reduce by 14.4 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. Copernicus images are well optimized though.
Potential reduce by 63.5 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 63.5 kB or 42% of the original size.
Potential reduce by 103.5 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. Copernicus.edu.pl needs all CSS files to be minified and compressed as it can save up to 103.5 kB or 82% of the original size.
Number of requests can be reduced by 36 (58%)
62
26
The browser has sent 62 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Copernicus. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 22 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
copernicus.edu.pl
1783 ms
www.copernicus.edu.pl
1894 ms
bootstrap.min.css
748 ms
cache_default.css
427 ms
jquery.min.js
77 ms
bootstrap.min.js
406 ms
cache_default.js
320 ms
conversion.js
36 ms
analytics.js
39 ms
top_bg.jpg
112 ms
logo.jpg
111 ms
input.jpg
218 ms
submit.jpg
218 ms
nav.png
113 ms
home.png
217 ms
sekretariat_online_bg.png
216 ms
grey_gradient_bg.png
218 ms
szkola_policealna.png
945 ms
scroll.png
324 ms
szkola_medyczna.png
943 ms
liceum_dla_doroslych.png
944 ms
kursy_zawodowe.png
642 ms
new.gif
431 ms
kreski.png
431 ms
footer_li.jpg
540 ms
facebook_2.png
543 ms
script.js
452 ms
collect
4 ms
collect
53 ms
likebox.php
291 ms
kyEKgjk51ZE.css
177 ms
xgj7bXhJNEH.css
217 ms
kE_Z8j4XNUS.css
258 ms
q68gy-v_YMF.js
369 ms
FJmpeSpHpjS.js
367 ms
0wM5s1Khldu.js
299 ms
1bNoFZUdlYZ.js
296 ms
OloiM1PZafe.js
302 ms
LTv6ZK-5zxz.js
417 ms
1FCa-btixu2.js
406 ms
Oagsvfb4VWi.js
407 ms
pObvZSrFc_4.js
407 ms
HgJbVwzBr8E.js
408 ms
H3EKDTObx05.js
408 ms
OZFAYTv-ZUg.js
408 ms
cachedscriptxy.js
119 ms
fbds.js
78 ms
41 ms
34 ms
22 ms
925_464238056960808_2083019214_n.jpg
214 ms
11880614_979777078740234_4110725635654521330_n.jpg
288 ms
12508714_1068920889834515_22876057917775429_n.jpg
479 ms
12745468_187939561574124_6605646417324606322_n.jpg
403 ms
10477406_903091913049919_2994252898502763722_n.jpg
326 ms
12642773_1014332555271532_7265655200959779501_n.jpg
363 ms
10580145_665042973571012_1888982652426577328_n.jpg
365 ms
971321_194508030936651_6470741693953217509_n.jpg
373 ms
wL6VQj7Ab77.png
88 ms
s7jcwEQH7Sx.png
89 ms
gxbPuQdXIZP.png
51 ms
rexdot.gif
119 ms
I6-MnjEovm5.js
47 ms
pQrUxxo5oQp.js
39 ms
21 ms
copernicus.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-hidden="true"] elements contain focusable descendents
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
[aria-*] attributes do not have valid values
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
[id] attributes on active, focusable elements are not unique
Heading elements are not in a sequentially-descending order
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
Form elements do not have associated labels
Links do not have a discernible name
copernicus.edu.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
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
copernicus.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
Tap targets are not sized appropriately
PL
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Copernicus.edu.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and it does not match the claimed English language. Our system also found out that Copernicus.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.
copernicus.edu.pl
Open Graph description is not detected on the main page of Copernicus. 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: