Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 59

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    18% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

slaskiecentrumkomputerowe.pl

Komputery poleasingowe Gliwice, Katowice, tani sprzęt komputerowy – Śląskie Centrum Komputerowe

Page Load Speed

4.9 sec in total

First Response

354 ms

Resources Loaded

3.7 sec

Page Rendered

842 ms

slaskiecentrumkomputerowe.pl screenshot

About Website

Click here to check amazing Slaskie Centrum Komputerowe content for Poland. Otherwise, check out these important facts you probably never knew about slaskiecentrumkomputerowe.pl

Oferujemy wysokiej jakości komputery poleasingowe, laptopy i inny sprzęt używany. W asortymencie znajdą Państwo również monitory i oprogramowanie

Visit slaskiecentrumkomputerowe.pl

Key Findings

We analyzed Slaskiecentrumkomputerowe.pl page load time and found that the first response time was 354 ms and then it took 4.6 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

slaskiecentrumkomputerowe.pl performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value14.5 s

0/100

25%

SI (Speed Index)

Value8.9 s

15/100

10%

TBT (Total Blocking Time)

Value3,910 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.5

16/100

15%

TTI (Time to Interactive)

Value13.1 s

12/100

10%

Network Requests Diagram

slaskiecentrumkomputerowe.pl

354 ms

www.slaskiecentrumkomputerowe.pl

948 ms

jquery.js

329 ms

site.css

205 ms

jquery.bxslider.css

206 ms

Our browser made a total of 109 requests to load all elements on the main page. We found that 83% of them (91 requests) were addressed to the original Slaskiecentrumkomputerowe.pl, 6% (7 requests) were made to Static.xx.fbcdn.net and 3% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (948 ms) belongs to the original domain Slaskiecentrumkomputerowe.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.0 MB (51%)

Content Size

2.0 MB

After Optimization

982.5 kB

In fact, the total size of Slaskiecentrumkomputerowe.pl 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. 65% of websites need less resources to load. Javascripts take 1.0 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 50.7 kB

  • Original 64.0 kB
  • After minification 55.6 kB
  • After compression 13.3 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 8.4 kB, which is 13% 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 50.7 kB or 79% of the original size.

Image Optimization

-7%

Potential reduce by 54.7 kB

  • Original 790.2 kB
  • After minification 735.4 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. Slaskie Centrum Komputerowe images are well optimized though.

JavaScript Optimization

-79%

Potential reduce by 795.4 kB

  • Original 1.0 MB
  • After minification 736.8 kB
  • After compression 214.9 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 795.4 kB or 79% of the original size.

CSS Optimization

-87%

Potential reduce by 124.6 kB

  • Original 143.4 kB
  • After minification 118.5 kB
  • After compression 18.8 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. Slaskiecentrumkomputerowe.pl needs all CSS files to be minified and compressed as it can save up to 124.6 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (24%)

Requests Now

104

After Optimization

79

The browser has sent 104 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Slaskie Centrum Komputerowe. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

slaskiecentrumkomputerowe.pl accessibility score

59

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

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

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

slaskiecentrumkomputerowe.pl best practices score

50

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

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

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

slaskiecentrumkomputerowe.pl SEO score

86

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    PL

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Slaskiecentrumkomputerowe.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Slaskiecentrumkomputerowe.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

Open Graph description is not detected on the main page of Slaskie Centrum Komputerowe. 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: