2.8 sec in total
406 ms
2.3 sec
109 ms
Welcome to buderus.sk homepage info - get ready to check Buderus best content for Slovakia right away, or after learning these important things about buderus.sk
Buderus ponúka komplexné systémové riešenia vykurovacích systémov pre byty, rodinné domy ale aj stredné a veľké objekty.
Visit buderus.skWe analyzed Buderus.sk page load time and found that the first response time was 406 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.
buderus.sk performance score
name
value
score
weighting
Value2.3 s
73/100
10%
Value6.7 s
7/100
25%
Value5.6 s
53/100
10%
Value140 ms
95/100
30%
Value0.018
100/100
15%
Value6.6 s
57/100
10%
406 ms
868 ms
195 ms
496 ms
199 ms
Our browser made a total of 25 requests to load all elements on the main page. We found that 76% of them (19 requests) were addressed to the original Buderus.sk, 8% (2 requests) were made to Google-analytics.com and 4% (1 request) were made to Googleadservices.com. The less responsive or slowest element that took the longest time to load (868 ms) belongs to the original domain Buderus.sk.
Page size can be reduced by 129.9 kB (33%)
395.5 kB
265.6 kB
In fact, the total size of Buderus.sk main page is 395.5 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. 15% of websites need less resources to load. Images take 190.6 kB which makes up the majority of the site volume.
Potential reduce by 10.4 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 4.1 kB, which is 29% 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 10.4 kB or 73% of the original size.
Potential reduce by 9.0 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. Buderus images are well optimized though.
Potential reduce by 102.9 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 102.9 kB or 57% of the original size.
Potential reduce by 7.6 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. Buderus.sk needs all CSS files to be minified and compressed as it can save up to 7.6 kB or 79% of the original size.
Number of requests can be reduced by 4 (19%)
21
17
The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Buderus. 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.
buderus.sk
406 ms
www.buderus.sk
868 ms
css_uvod.css
195 ms
jquery.js
496 ms
jquery.lightbox-0.5.min.js
199 ms
jquery.lightbox-0.5.css
204 ms
js.js
204 ms
conversion.js
18 ms
pas_vsetko.gif
101 ms
najst.gif
101 ms
logo_buderus.gif
103 ms
erp_uvod2.jpg
106 ms
odr_modra.gif
102 ms
akcia_zostavy2.jpg
106 ms
logo_zelena_domacnostiam_uvod.png
198 ms
logavent-hrv2_uvod_m.jpg
199 ms
plus_gb062_uvod.jpg
200 ms
wpls.2_m.gif
204 ms
energ_kalkulacka_m.jpg
205 ms
popup_dva_kolektory.jpg
614 ms
analytics.js
37 ms
47 ms
collect
30 ms
30 ms
collect
61 ms
buderus.sk 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
[role]s do not have all required [aria-*] attributes
[aria-*] attributes do not have valid values
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
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
buderus.sk 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
buderus.sk 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
SK
SK
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Buderus.sk can be misinterpreted by Google and other search engines. Our service has detected that Slovak is used on the page, and it matches the claimed language. Our system also found out that Buderus.sk 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.
buderus.sk
Open Graph description is not detected on the main page of Buderus. 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: