Report Summary

  • 18

    Performance

    Renders faster than
    34% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 78% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

sos.sk

Elektronické súčiastky a komponenty | SOS electronic eshop

Page Load Speed

4.5 sec in total

First Response

314 ms

Resources Loaded

3.7 sec

Page Rendered

485 ms

sos.sk screenshot

About Website

Visit sos.sk now to see the best up-to-date SOS content for Austria and also check out these interesting facts you probably never knew about sos.sk

Elektronické súčiastky a komponenty z overených zdrojov. Uľahčite si objednávanie cez náš špecializovaný eshop. Spoľahlivý distribútor pre priemysel aj jednotlivcov.

Visit sos.sk

Key Findings

We analyzed Sos.sk page load time and found that the first response time was 314 ms and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

sos.sk performance score

18

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.6 s

5/100

10%

LCP (Largest Contentful Paint)

Value5.6 s

18/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value2,590 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.199

62/100

15%

TTI (Time to Interactive)

Value13.5 s

11/100

10%

Network Requests Diagram

sos.sk

314 ms

sos.sk

422 ms

sk

775 ms

gtm.js

57 ms

logger.min.js

724 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 12% of them (4 requests) were addressed to the original Sos.sk, 41% (14 requests) were made to Cdn.soselectronic.com and 26% (9 requests) were made to Soselectronic.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Cdn.soselectronic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 96.3 kB (15%)

Content Size

664.3 kB

After Optimization

567.9 kB

In fact, the total size of Sos.sk main page is 664.3 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 313.2 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 92.6 kB

  • Original 109.7 kB
  • After minification 87.9 kB
  • After compression 17.1 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. This page needs HTML code to be minified as it can gain 21.8 kB, which is 20% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 92.6 kB or 84% of the original size.

Image Optimization

-2%

Potential reduce by 2.4 kB

  • Original 151.9 kB
  • After minification 149.5 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. SOS images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.3 kB

  • Original 313.2 kB
  • After minification 313.2 kB
  • After compression 312.0 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 97 B

  • Original 89.4 kB
  • After minification 89.4 kB
  • After compression 89.3 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. Sos.sk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (42%)

Requests Now

31

After Optimization

18

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of SOS. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

sos.sk accessibility score

92

Accessibility Issues

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

Links do not have a discernible name

Best Practices

sos.sk best practices score

83

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

SEO Factors

sos.sk SEO score

93

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

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 Sos.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 Sos.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 SOS. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: