Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 67

    SEO

    Google-friendlier than
    25% of websites

stereo.sk

Po?adovan? str?nka neexistuje

Page Load Speed

2.7 sec in total

First Response

543 ms

Resources Loaded

1.9 sec

Page Rendered

187 ms

stereo.sk screenshot

About Website

Welcome to stereo.sk homepage info - get ready to check Stereo best content right away, or after learning these important things about stereo.sk

Custom made high end loudspeaker systems

Visit stereo.sk

Key Findings

We analyzed Stereo.sk page load time and found that the first response time was 543 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

stereo.sk performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value0.8 s

100/100

25%

SI (Speed Index)

Value1.9 s

100/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value0.8 s

100/100

10%

Network Requests Diagram

www.solfegio.eu

543 ms

solfegio.css

118 ms

jquery-1.8.2.min.js

353 ms

jquery.mousewheel-3.0.6.pack.js

234 ms

jquery.fancybox.js

256 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that all of those requests were addressed to Stereo.sk and no external sources were called. The less responsive or slowest element that took the longest time to load (543 ms) relates to the external source Solfegio.eu.

Page Optimization Overview & Recommendations

Page size can be reduced by 165.9 kB (30%)

Content Size

545.5 kB

After Optimization

379.6 kB

In fact, the total size of Stereo.sk main page is 545.5 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. 20% of websites need less resources to load. Images take 375.5 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 6.1 kB

  • Original 8.1 kB
  • After minification 7.7 kB
  • After compression 2.0 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 6.1 kB or 76% of the original size.

Image Optimization

-13%

Potential reduce by 47.5 kB

  • Original 375.5 kB
  • After minification 328.0 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. Obviously, Stereo needs image optimization as it can save up to 47.5 kB or 13% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 105.9 kB

  • Original 153.3 kB
  • After minification 134.1 kB
  • After compression 47.4 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 105.9 kB or 69% of the original size.

CSS Optimization

-73%

Potential reduce by 6.3 kB

  • Original 8.6 kB
  • After minification 6.8 kB
  • After compression 2.3 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. Stereo.sk needs all CSS files to be minified and compressed as it can save up to 6.3 kB or 73% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (57%)

Requests Now

14

After Optimization

6

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stereo. 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 from 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

stereo.sk accessibility score

91

Accessibility Issues

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

stereo.sk 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

SEO Factors

stereo.sk SEO score

67

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    SK

  • Language Claimed

    EN

  • Encoding

    UTF-8

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