Tools & Wizards About Us

Report Summary

  • 20

    Performance

    Renders faster than
    37% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 71

    SEO

    Google-friendlier than
    30% of websites

bux.sk

bux.sk – internetové kníhkupectvo

Page Load Speed

23.1 sec in total

First Response

441 ms

Resources Loaded

22.4 sec

Page Rendered

230 ms

About Website

Click here to check amazing Bux content for Slovakia. Otherwise, check out these important facts you probably never knew about bux.sk

Bux.sk, internetové kníhkupectvo so širokou ponukou knižných titulov od slovenských a svetových autorov, ponúka bezpečné a pohodlné nakupovanie s rýchlym a zodpovedným dodaním vašej objednávky.

Visit bux.sk

Key Findings

We analyzed Bux.sk page load time and found that the first response time was 441 ms and then it took 22.6 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

bux.sk performance score

20

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value9.2 s

1/100

25%

SI (Speed Index)

Value8.7 s

16/100

10%

TBT (Total Blocking Time)

Value700 ms

42/100

30%

CLS (Cumulative Layout Shift)

Value0.405

24/100

15%

TTI (Time to Interactive)

Value14.0 s

10/100

10%

Network Requests Diagram

bux.sk

441 ms

www.bux.sk

1080 ms

screen.css

406 ms

fancybox.css

308 ms

menucool-slider-css.css

308 ms

Our browser made a total of 116 requests to load all elements on the main page. We found that 47% of them (54 requests) were addressed to the original Bux.sk, 42% (49 requests) were made to Data.bux.sk and 3% (3 requests) were made to Cdn.luigisbox.com. The less responsive or slowest element that took the longest time to load (19.7 sec) relates to the external source Tag.starsmp.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 495.5 kB (25%)

Content Size

2.0 MB

After Optimization

1.5 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Bux.sk main page is 2.0 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. 55% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 102.6 kB

  • Original 123.8 kB
  • After minification 120.0 kB
  • After compression 21.2 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 102.6 kB or 83% of the original size.

Image Optimization

-10%

Potential reduce by 148.2 kB

  • Original 1.5 MB
  • After minification 1.3 MB

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. Bux images are well optimized though.

JavaScript Optimization

-61%

Potential reduce by 158.1 kB

  • Original 257.7 kB
  • After minification 219.8 kB
  • After compression 99.6 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 158.1 kB or 61% of the original size.

CSS Optimization

-80%

Potential reduce by 86.6 kB

  • Original 107.8 kB
  • After minification 86.4 kB
  • After compression 21.2 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. Bux.sk needs all CSS files to be minified and compressed as it can save up to 86.6 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 33 (29%)

Requests Now

113

After Optimization

80

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 113 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bux. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

bux.sk accessibility score

65

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

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

High

Image elements do not have [alt] attributes

High

Form elements do not have associated labels

High

Links do not have a discernible name

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

bux.sk best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

bux.sk SEO score

71

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 Bux.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 Bux.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

Open Graph description is not detected on the main page of Bux. 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: