3.8 sec in total
487 ms
3 sec
285 ms
Visit btk.sk now to see the best up-to-date BTK content and also check out these interesting facts you probably never knew about btk.sk
Klimatizácia domov alebo klimatizácia v kancelárii. Project, návrh, predaj aj montáž a servis. Mobilná klimatizácia.
Visit btk.skWe analyzed Btk.sk page load time and found that the first response time was 487 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
btk.sk performance score
name
value
score
weighting
Value3.0 s
49/100
10%
Value5.4 s
20/100
25%
Value6.8 s
35/100
10%
Value950 ms
29/100
30%
Value0
100/100
15%
Value6.4 s
60/100
10%
487 ms
135 ms
231 ms
313 ms
314 ms
Our browser made a total of 45 requests to load all elements on the main page. We found that 96% of them (43 requests) were addressed to the original Btk.sk, 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Btk.sk.
Page size can be reduced by 106.2 kB (43%)
248.5 kB
142.3 kB
In fact, the total size of Btk.sk main page is 248.5 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. 25% of websites need less resources to load. Javascripts take 123.7 kB which makes up the majority of the site volume.
Potential reduce by 10.0 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 10.0 kB or 74% of the original size.
Potential reduce by 339 B
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. BTK images are well optimized though.
Potential reduce by 89.2 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 89.2 kB or 72% of the original size.
Potential reduce by 6.7 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. Btk.sk needs all CSS files to be minified and compressed as it can save up to 6.7 kB or 82% of the original size.
Number of requests can be reduced by 17 (39%)
44
27
The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BTK. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
btk.sk
487 ms
main.css
135 ms
btk.js
231 ms
lightbox.css
313 ms
prototype.js
314 ms
scriptaculous.js
321 ms
lightbox.js
312 ms
mn01off.gif
650 ms
mn01on.gif
652 ms
mn02off.gif
651 ms
mn02on.gif
650 ms
mn03off.gif
648 ms
mn03on.gif
649 ms
mn04off.gif
853 ms
mn04on.gif
852 ms
mn05off.gif
852 ms
mn05on.gif
851 ms
mn06off.gif
852 ms
mn06on.gif
853 ms
mn07off.gif
1178 ms
mn07on.gif
1139 ms
mn08off.gif
1052 ms
mn08on.gif
1052 ms
effects.js
1054 ms
bg-page.gif
440 ms
bg-head-2.jpg
662 ms
mn01sel.gif
249 ms
blank.gif
450 ms
mn-delic.gif
250 ms
white-up.gif
355 ms
white-bg.gif
454 ms
video-tepelne-cerpadla.gif
558 ms
certifikaty-iso-banner.jpg
806 ms
shadow.gif
807 ms
novinka-2012-1.jpg
1019 ms
medaila.gif
911 ms
novinka-2012-2.jpg
811 ms
clivet.gif
930 ms
sabiana.gif
1031 ms
white-dn.gif
928 ms
aw.png
1018 ms
ga.js
26 ms
__utm.gif
23 ms
loading.gif
120 ms
closelabel.gif
128 ms
btk.sk accessibility score
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
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
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.
btk.sk best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
btk.sk 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
SK
SK
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Btk.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 Btk.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.
btk.sk
Open Graph description is not detected on the main page of BTK. 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: