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buderus.sk screenshot

Report Summary

  • 60

    Performance

    Renders faster than
    75% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

buderus.sk

Systémové riešenia pre vykurovanie a teplú vodu | Buderus

Page Load Speed

3.2 sec in total

First Response

401 ms

Resources Loaded

1.4 sec

Page Rendered

1.4 sec

buderus.sk screenshot

About Website

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.sk

Key Findings

We analyzed Buderus.sk page load time and found that the first response time was 401 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

buderus.sk performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

53/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

5/100

25%

SI (Speed Index)

Value4.8 s

68/100

10%

TBT (Total Blocking Time)

Value230 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.7 s

56/100

10%

Network Requests Diagram

buderus.sk

401 ms

608 ms

main.css

182 ms

dock-privacy-settings.js

20 ms

jquery.min.js

278 ms

Our browser made a total of 7 requests to load all elements on the main page. We found that 14% of them (1 request) were addressed to the original Buderus.sk, 71% (5 requests) were made to Buderus.com and 14% (1 request) were made to Dock.ui.bosch.tech. The less responsive or slowest element that took the longest time to load (608 ms) relates to the external source Buderus.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 92.4 kB (41%)

Content Size

224.8 kB

After Optimization

132.4 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of Buderus.sk main page is 224.8 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 5% of websites need less resources to load. Javascripts take 107.6 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 92.3 kB

  • Original 107.2 kB
  • After minification 106.7 kB
  • After compression 14.9 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 92.3 kB or 86% of the original size.

JavaScript Optimization

-0%

Potential reduce by 31 B

  • Original 107.6 kB
  • After minification 107.6 kB
  • After compression 107.6 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 93 B

  • Original 10.0 kB
  • After minification 10.0 kB
  • After compression 9.9 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 has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 3 (60%)

Requests Now

5

After Optimization

2

  • JavaScript
  • CSS

The browser has sent 5 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 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

buderus.sk

buderus.sk

401 ms

608 ms

main.css

main.css

182 ms

dock-privacy-settings.js

dock-privacy-settings.js

20 ms

jquery.min.js

jquery.min.js

278 ms

kits.min.js

kits.min.js

214 ms

main.bundle.js

main.bundle.js

372 ms

Accessibility Review

buderus.sk accessibility score

83

Accessibility Issues

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

High

[role]s are not contained by their required parent element

High

[aria-*] attributes are not valid or misspelled

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

High

Heading elements are not in a sequentially-descending order

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

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Best Practices

buderus.sk best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

buderus.sk SEO score

93

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    SK

  • Language Claimed

    SK

  • Encoding

    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.

Social Sharing Optimization

buderus.sk

Open Graph data is detected on the main page of Buderus. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: