Tools & Wizards About Us
4sound.pl screenshot

Report Summary

  • 61

    Performance

    Renders faster than
    76% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 86% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

4sound.pl

Projekty akustyczne, pomiary akustyczne, adaptacje akustyczne wnętrz.

Page Load Speed

1.7 sec in total

First Response

425 ms

Resources Loaded

1.1 sec

Page Rendered

175 ms

4sound.pl screenshot

About Website

Visit 4sound.pl now to see the best up-to-date 4 Sound content and also check out these interesting facts you probably never knew about 4sound.pl

Specjalizujemy się w akustyce wnętrz. Wykonujemy projekty akustyczne, pomiary hałasu, wykonujemy adaptacje akustyczne wnętrz. Produkujemy panele akustyczne.

Visit 4sound.pl

Key Findings

We analyzed 4sound.pl page load time and found that the first response time was 425 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

4sound.pl performance score

61

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

64/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value8.5 s

18/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.016

100/100

15%

TTI (Time to Interactive)

Value5.7 s

68/100

10%

Network Requests Diagram

4sound.pl

425 ms

style.css

287 ms

jquery.js

379 ms

default_en.js

290 ms

plusone.js

66 ms

Our browser made a total of 22 requests to load all elements on the main page. We found that 73% of them (16 requests) were addressed to the original 4sound.pl, 9% (2 requests) were made to Apis.google.com and 9% (2 requests) were made to 4stats.de. The less responsive or slowest element that took the longest time to load (425 ms) belongs to the original domain 4sound.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 117.7 kB (49%)

Content Size

241.0 kB

After Optimization

123.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 4sound.pl main page is 241.0 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. 30% of websites need less resources to load. Javascripts take 149.8 kB which makes up the majority of the site volume.

HTML Optimization

-63%

Potential reduce by 3.3 kB

  • Original 5.3 kB
  • After minification 5.0 kB
  • After compression 1.9 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 3.3 kB or 63% of the original size.

Image Optimization

-0%

Potential reduce by 92 B

  • Original 66.1 kB
  • After minification 66.0 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. 4 Sound images are well optimized though.

JavaScript Optimization

-65%

Potential reduce by 97.8 kB

  • Original 149.8 kB
  • After minification 147.2 kB
  • After compression 52.0 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 97.8 kB or 65% of the original size.

CSS Optimization

-83%

Potential reduce by 16.5 kB

  • Original 19.8 kB
  • After minification 15.7 kB
  • After compression 3.3 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. 4sound.pl needs all CSS files to be minified and compressed as it can save up to 16.5 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (48%)

Requests Now

21

After Optimization

11

  • Images
  • JavaScript
  • CSS

The browser has sent 21 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 4 Sound. 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.

Network Requests Diagram

4sound.pl

4sound.pl

425 ms

style.css

style.css

287 ms

jquery.js

jquery.js

379 ms

default_en.js

default_en.js

290 ms

plusone.js

plusone.js

66 ms

counter

counter

241 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

17 ms

page_top.jpg

page_top.jpg

110 ms

page_main_home.jpg

page_main_home.jpg

110 ms

bullet.gif

bullet.gif

95 ms

acoustic.jpg

acoustic.jpg

292 ms

acoustic.gif

acoustic.gif

216 ms

contact.jpg

contact.jpg

291 ms

contact.gif

contact.gif

215 ms

calibration.jpg

calibration.jpg

205 ms

calibration.gif

calibration.gif

213 ms

kramework_signature.gif

kramework_signature.gif

298 ms

lang_pl.gif

lang_pl.gif

304 ms

lang_en.gif

lang_en.gif

306 ms

stats

stats

193 ms

ga.js

ga.js

8 ms

__utm.gif

__utm.gif

13 ms

Accessibility Review

4sound.pl accessibility score

95

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

Links do not have a discernible name

Best Practices

4sound.pl best practices score

75

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

High

Page has valid source maps

SEO Factors

4sound.pl 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

    PL

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 4sound.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and it does not match the claimed English language. Our system also found out that 4sound.pl 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

4sound.pl

Open Graph description is not detected on the main page of 4 Sound. 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: