3.2 sec in total
286 ms
2.6 sec
350 ms
Click here to check amazing OLZA content for Poland. Otherwise, check out these important facts you probably never knew about olza.pl
Aktualności, współpraca transgraniczna, wdrażane inicjatywy i projekty w polskiej części Euroregionu Śląsk Cieszyński
Visit olza.plWe analyzed Olza.pl page load time and found that the first response time was 286 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
olza.pl performance score
name
value
score
weighting
Value3.8 s
27/100
10%
Value3.8 s
55/100
25%
Value5.2 s
61/100
10%
Value50 ms
100/100
30%
Value0.233
53/100
15%
Value6.9 s
54/100
10%
286 ms
491 ms
150 ms
233 ms
155 ms
Our browser made a total of 60 requests to load all elements on the main page. We found that 97% of them (58 requests) were addressed to the original Olza.pl, 3% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (983 ms) belongs to the original domain Olza.pl.
Page size can be reduced by 155.1 kB (38%)
405.7 kB
250.6 kB
In fact, the total size of Olza.pl main page is 405.7 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 187.6 kB which makes up the majority of the site volume.
Potential reduce by 26.0 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. This page needs HTML code to be minified as it can gain 9.1 kB, which is 28% 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 26.0 kB or 81% of the original size.
Potential reduce by 6.6 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. OLZA images are well optimized though.
Potential reduce by 98.3 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 98.3 kB or 63% of the original size.
Potential reduce by 24.3 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. Olza.pl needs all CSS files to be minified and compressed as it can save up to 24.3 kB or 83% of the original size.
Number of requests can be reduced by 19 (33%)
58
39
The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OLZA. 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 from 4 to 1 for CSS and as a result speed up the page load time.
olza.pl
286 ms
www.olza.pl
491 ms
font.css
150 ms
style.css
233 ms
cookies.css
155 ms
jquery.lightbox-0.5.css
157 ms
jquery-1.6.min.js
388 ms
jquery.validate.js
735 ms
jquery.lightbox-0.5.min.js
225 ms
script.js
229 ms
body-bckgr.png
109 ms
header-bckgr.png
172 ms
olza.png
173 ms
euroregion.png
110 ms
logotype.png
106 ms
search-text.png
106 ms
search-submit.png
176 ms
menu-bckgr.png
176 ms
menu-separathor.png
175 ms
submenu-bckgr.png
177 ms
box-sport.png
249 ms
box-kultura.png
249 ms
box-turystyka.png
250 ms
box-fotobank.png
252 ms
clock.png
252 ms
arrows.png
253 ms
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673 ms
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541 ms
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555 ms
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577 ms
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620 ms
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632 ms
ga.js
45 ms
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609 ms
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24 ms
calibri.ttf
983 ms
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jasnet.png
605 ms
db9.png
636 ms
facebook.png
661 ms
google.png
681 ms
twitter.png
619 ms
youtube.png
629 ms
olza.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
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
olza.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
olza.pl SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
robots.txt is not valid
PL
PL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Olza.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 Olza.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.
olza.pl
Open Graph description is not detected on the main page of OLZA. 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: