Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

bisaudio.sk

BIS audio - dotknite sa zvuku

Page Load Speed

6.1 sec in total

First Response

307 ms

Resources Loaded

4.9 sec

Page Rendered

809 ms

bisaudio.sk screenshot

About Website

Visit bisaudio.sk now to see the best up-to-date BIS Audio content for Slovakia and also check out these interesting facts you probably never knew about bisaudio.sk

BIS audio: exkluzívny predajca nejprestížnejších svetových AUDIO VIDEO zariadení

Visit bisaudio.sk

Key Findings

We analyzed Bisaudio.sk page load time and found that the first response time was 307 ms and then it took 5.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

bisaudio.sk performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value19.6 s

0/100

25%

SI (Speed Index)

Value16.9 s

0/100

10%

TBT (Total Blocking Time)

Value300 ms

78/100

30%

CLS (Cumulative Layout Shift)

Value0.986

2/100

15%

TTI (Time to Interactive)

Value25.1 s

0/100

10%

Network Requests Diagram

bisaudio.sk

307 ms

www.bisaudio.sk

395 ms

www.bisaudio.sk

1197 ms

css

36 ms

css_common

626 ms

Our browser made a total of 92 requests to load all elements on the main page. We found that 93% of them (86 requests) were addressed to the original Bisaudio.sk, 2% (2 requests) were made to Connect.facebook.net and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Bisaudio.sk.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.2 MB (37%)

Content Size

3.4 MB

After Optimization

2.1 MB

In fact, the total size of Bisaudio.sk main page is 3.4 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 2.4 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 68.1 kB

  • Original 83.6 kB
  • After minification 79.7 kB
  • After compression 15.5 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 68.1 kB or 81% of the original size.

Image Optimization

-21%

Potential reduce by 503.4 kB

  • Original 2.4 MB
  • After minification 1.9 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. Obviously, BIS Audio needs image optimization as it can save up to 503.4 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-74%

Potential reduce by 442.1 kB

  • Original 594.5 kB
  • After minification 408.3 kB
  • After compression 152.4 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 442.1 kB or 74% of the original size.

CSS Optimization

-86%

Potential reduce by 214.7 kB

  • Original 248.9 kB
  • After minification 248.4 kB
  • After compression 34.2 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. Bisaudio.sk needs all CSS files to be minified and compressed as it can save up to 214.7 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (20%)

Requests Now

87

After Optimization

70

The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BIS Audio. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

bisaudio.sk accessibility score

78

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

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

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

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

bisaudio.sk best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

bisaudio.sk SEO score

100

Search Engine Optimization Advices

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