4.8 sec in total
726 ms
3.9 sec
120 ms
Visit centreo.pl now to see the best up-to-date Centreo content and also check out these interesting facts you probably never knew about centreo.pl
Firma Centreo Sp. z o. o. powstała w 2015 roku. Zajmuje się działalnością handlowo - usługową w zakresie dostaw technologii - specjalistycznych rozwiązań transakcyjnych i płatniczych do klientów z Pol...
Visit centreo.plWe analyzed Centreo.pl page load time and found that the first response time was 726 ms and then it took 4.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
centreo.pl performance score
name
value
score
weighting
Value2.3 s
74/100
10%
Value4.8 s
30/100
25%
Value7.0 s
32/100
10%
Value120 ms
97/100
30%
Value1.039
2/100
15%
Value9.1 s
33/100
10%
726 ms
35 ms
477 ms
233 ms
249 ms
Our browser made a total of 13 requests to load all elements on the main page. We found that 8% of them (1 request) were addressed to the original Centreo.pl, 38% (5 requests) were made to Kf.nazwa.pl and 23% (3 requests) were made to Content.netart.pl. The less responsive or slowest element that took the longest time to load (1.9 sec) relates to the external source Dm.netart.pl.
Page size can be reduced by 551.4 kB (78%)
702.9 kB
151.6 kB
In fact, the total size of Centreo.pl main page is 702.9 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. Only 10% of websites need less resources to load. Images take 673.8 kB which makes up the majority of the site volume.
Potential reduce by 287 B
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 287 B or 41% of the original size.
Potential reduce by 543.2 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, Centreo needs image optimization as it can save up to 543.2 kB or 81% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 6.3 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 6.3 kB or 24% of the original size.
Potential reduce by 1.5 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. Centreo.pl needs all CSS files to be minified and compressed as it can save up to 1.5 kB or 67% of the original size.
Number of requests can be reduced by 4 (33%)
12
8
The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centreo. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.
centreo.pl
726 ms
jquery.min.js
35 ms
index,centreo.pl
477 ms
style.css
233 ms
index_creation.php
249 ms
logo.gif
350 ms
ga.js
27 ms
bg.gif
117 ms
spcjs.php
469 ms
__utm.gif
25 ms
spc.php
158 ms
fl.js
222 ms
domeny_blackdown.jpg
1854 ms
centreo.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
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.
centreo.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
centreo.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 Centreo.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 Centreo.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.
centreo.pl
Open Graph description is not detected on the main page of Centreo. 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: