4 sec in total
364 ms
3.5 sec
189 ms
Visit centrum.jakosci.pl now to see the best up-to-date Centrum Jakosci content for Poland and also check out these interesting facts you probably never knew about centrum.jakosci.pl
Wszystko o ISO 9001, szkolenia, oferty pracy, artykuły. Porówna j oferty szkoleń dla audytorów, pełnomocników ISO 9001, ISO 14001, ISO 27001.
Visit centrum.jakosci.plWe analyzed Centrum.jakosci.pl page load time and found that the first response time was 364 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
centrum.jakosci.pl performance score
name
value
score
weighting
Value3.0 s
49/100
10%
Value10.4 s
0/100
25%
Value8.8 s
15/100
10%
Value930 ms
30/100
30%
Value0.001
100/100
15%
Value12.1 s
16/100
10%
364 ms
948 ms
122 ms
238 ms
697 ms
Our browser made a total of 61 requests to load all elements on the main page. We found that 70% of them (43 requests) were addressed to the original Centrum.jakosci.pl, 5% (3 requests) were made to Google.com and 3% (2 requests) were made to Apis.google.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Centrum.jakosci.pl.
Page size can be reduced by 155.7 kB (34%)
460.1 kB
304.4 kB
In fact, the total size of Centrum.jakosci.pl main page is 460.1 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. 25% of websites need less resources to load. Images take 194.2 kB which makes up the majority of the site volume.
Potential reduce by 35.0 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 35.0 kB or 74% of the original size.
Potential reduce by 2.7 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. Centrum Jakosci images are well optimized though.
Potential reduce by 96.5 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 96.5 kB or 50% of the original size.
Potential reduce by 21.5 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. Centrum.jakosci.pl needs all CSS files to be minified and compressed as it can save up to 21.5 kB or 81% of the original size.
Number of requests can be reduced by 25 (46%)
54
29
The browser has sent 54 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centrum Jakosci. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.
centrum.jakosci.pl
364 ms
centrum.jakosci.pl
948 ms
style0812.css
122 ms
newsletter.css
238 ms
jquery.min.js
697 ms
cookies.js
361 ms
jquery.copytext.min.js
353 ms
slideshow.js
349 ms
slideshow.css
357 ms
google_service.js
46 ms
conversion.js
51 ms
plusone.js
64 ms
google_ads.js
37 ms
body.jpg
127 ms
logo.jpg
267 ms
news_active_arrow.jpg
124 ms
bsi.jpg
232 ms
tuvsud.jpg
234 ms
kaizen.jpg
125 ms
03.PNG
354 ms
ico1.jpg
240 ms
h2_search.jpg
237 ms
search_button.jpg
345 ms
h2_12powodow.jpg
469 ms
gtm.js
106 ms
78 ms
82 ms
all.js
426 ms
top.jpg
337 ms
menu.jpg
566 ms
menu_li.jpg
366 ms
in_top.jpg
445 ms
top_news.jpg
445 ms
see_link_bg.jpg
446 ms
see_link_arrow.jpg
476 ms
prev.jpg
551 ms
next.jpg
554 ms
polecane_szkolenia.jpg
553 ms
polecane_szkolenia_bottom.jpg
558 ms
polecane_szkolenia_top.jpg
590 ms
li1.jpg
667 ms
index_content.jpg
664 ms
index_content_bottom.jpg
898 ms
index_content_top.jpg
898 ms
index_li.jpg
673 ms
archiv_button.jpg
704 ms
order_button.jpg
783 ms
index_right_top.jpg
781 ms
plus.png
789 ms
add_button.jpg
827 ms
index_right_bottom.jpg
1049 ms
cb=gapi.loaded_0
19 ms
piwik.js
924 ms
59 ms
74 ms
analytics.js
28 ms
collect
15 ms
collect
53 ms
ga-audiences
18 ms
124 ms
xd_arbiter.php
432 ms
centrum.jakosci.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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
centrum.jakosci.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
Page has valid source maps
centrum.jakosci.pl SEO score
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 Centrum.jakosci.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 Centrum.jakosci.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.
centrum.jakosci.pl
Open Graph description is not detected on the main page of Centrum Jakosci. 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: