6.2 sec in total
506 ms
5.4 sec
288 ms
Welcome to defro.pl homepage info - get ready to check Defro best content for Poland right away, or after learning these important things about defro.pl
Wysokiej jakości urządzenia grzewcze: pompy ciepła, kotły na pellet, ekogroszek, gaz, rekuperatory. Nowoczesne i wydajne, dopasowane do Twojego domu.
Visit defro.plWe analyzed Defro.pl page load time and found that the first response time was 506 ms and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
defro.pl performance score
name
value
score
weighting
Value3.4 s
36/100
10%
Value12.0 s
0/100
25%
Value8.4 s
19/100
10%
Value890 ms
32/100
30%
Value1.593
0/100
15%
Value13.9 s
10/100
10%
506 ms
892 ms
22 ms
151 ms
286 ms
Our browser made a total of 109 requests to load all elements on the main page. We found that 76% of them (83 requests) were addressed to the original Defro.pl, 9% (10 requests) were made to Static.xx.fbcdn.net and 7% (8 requests) were made to Scontent.xx.fbcdn.net. The less responsive or slowest element that took the longest time to load (3.2 sec) belongs to the original domain Defro.pl.
Page size can be reduced by 1.1 MB (31%)
3.6 MB
2.5 MB
In fact, the total size of Defro.pl main page is 3.6 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. 45% of websites need less resources to load. Images take 2.5 MB which makes up the majority of the site volume.
Potential reduce by 76.0 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 76.0 kB or 84% of the original size.
Potential reduce by 283.9 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, Defro needs image optimization as it can save up to 283.9 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 427.1 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 427.1 kB or 72% of the original size.
Potential reduce by 349.6 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. Defro.pl needs all CSS files to be minified and compressed as it can save up to 349.6 kB or 84% of the original size.
Number of requests can be reduced by 17 (16%)
106
89
The browser has sent 106 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Defro. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
defro.pl
506 ms
www.defro.pl
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analytics.js
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sdk.js
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logo-mobile.png
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logo.png
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defro.base.css
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defro.main.css
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css
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defro.main.js
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0isED0VVCfd.js
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logos.png
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defro.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
defro.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
defro.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
PL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Defro.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 Defro.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.
defro.pl
Open Graph description is not detected on the main page of Defro. 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: