5.5 sec in total
1.8 sec
3.5 sec
201 ms
Click here to check amazing Na Uczyciel content for Poland. Otherwise, check out these important facts you probably never knew about nauczyciel.pl
Największe w Polsce wydawnictwo edukacyjne z kompleksową i nowoczesną ofertą obejmującą wszystkie etapy edukacyjne oraz wszystkie przedmioty.
Visit nauczyciel.plWe analyzed Nauczyciel.pl page load time and found that the first response time was 1.8 sec 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.
nauczyciel.pl performance score
name
value
score
weighting
Value3.6 s
31/100
10%
Value13.1 s
0/100
25%
Value11.3 s
5/100
10%
Value1,750 ms
10/100
30%
Value0.109
87/100
15%
Value14.4 s
9/100
10%
1816 ms
249 ms
248 ms
250 ms
382 ms
Our browser made a total of 64 requests to load all elements on the main page. We found that 91% of them (58 requests) were addressed to the original Nauczyciel.pl, 3% (2 requests) were made to Stats.g.doubleclick.net and 3% (2 requests) were made to Googleads.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Nauczyciel.pl.
Page size can be reduced by 593.6 kB (54%)
1.1 MB
496.0 kB
In fact, the total size of Nauczyciel.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. 30% of websites need less resources to load. Javascripts take 445.7 kB which makes up the majority of the site volume.
Potential reduce by 68.4 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 18.3 kB, which is 23% 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 68.4 kB or 84% of the original size.
Potential reduce by 96.2 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, Na Uczyciel needs image optimization as it can save up to 96.2 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 293.7 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 293.7 kB or 66% of the original size.
Potential reduce by 135.3 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. Nauczyciel.pl needs all CSS files to be minified and compressed as it can save up to 135.3 kB or 85% of the original size.
Number of requests can be reduced by 28 (46%)
61
33
The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Na Uczyciel. 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 5 to 1 for CSS and as a result speed up the page load time.
nauczyciel.pl
1816 ms
jquery.selectBox.css
249 ms
jquery.ui.tooltip.css
248 ms
style.css
250 ms
jquery.js
382 ms
jquery.selectBox.js
253 ms
jquery.tools.min.js
357 ms
flashembed.tools.js
368 ms
jquery-ui.js
632 ms
jquery.ui.tooltip.min.js
373 ms
jquery.autocomplete.min.js
379 ms
default.css
728 ms
default.css
489 ms
default.js
509 ms
tags.json
511 ms
jquery_checkbox.js
507 ms
cookieinfo.js
610 ms
conversion.js
32 ms
dc.js
58 ms
56 ms
1024.gif
168 ms
yt_banner_bg.png
170 ms
yt_banner_left.png
168 ms
yt_banner_right.png
169 ms
list_image01.png
173 ms
top_bg.png
171 ms
dropdown_header_right.png
262 ms
nauczyciel-rejestracja.png
543 ms
more_info1.png
263 ms
more_info2.png
265 ms
more_info3.png
266 ms
more_info4.png
267 ms
cce_demo.gif
749 ms
lo_orm2_03_07_item3_thumb.jpg
381 ms
script_00036_003_thumb.jpg
509 ms
script_00055_007_thumb.jpg
513 ms
uc_b4_l002_04_thumb.jpg
390 ms
page_50_thumb.jpg
501 ms
uc_p5_l070_04_thumb.jpg
514 ms
re_01_p_01_item1_thumb.jpg
620 ms
uc_p5_l070_05_thumb.jpg
630 ms
script_00015_001_thumb.jpg
756 ms
uc_m5_l032_04_thumb.jpg
635 ms
do-sklepu2.png
657 ms
fb.png
745 ms
round_top01_bg.png
732 ms
cam_icon.gif
738 ms
movies_banner_0.png
878 ms
res_switcher_left.png
843 ms
res_switcher_right.png
844 ms
btn_search.png
836 ms
box_title_01_bg.png
840 ms
arrow_down_01.png
841 ms
box_title_02_bg.png
946 ms
arrow_down_02.png
948 ms
arrow_more.png
956 ms
__utm.gif
85 ms
69 ms
26 ms
textSeparator01a.gif
843 ms
arrow_up_01.png
844 ms
footer_separator.png
861 ms
checkbox.png
946 ms
select_arrow.png
947 ms
nauczyciel.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 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.
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
Buttons do not have an accessible name
Image elements do not have [alt] attributes
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
nauczyciel.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
Missing source maps for large first-party JavaScript
nauczyciel.pl SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Nauczyciel.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Nauczyciel.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.
nauczyciel.pl
Open Graph description is not detected on the main page of Na Uczyciel. 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: