Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

forum.centrumwindows.pl

CentrumWindows - forum - centrum wiedzy o Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Phone i innych

Page Load Speed

7.4 sec in total

First Response

797 ms

Resources Loaded

6.1 sec

Page Rendered

561 ms

forum.centrumwindows.pl screenshot

About Website

Welcome to forum.centrumwindows.pl homepage info - get ready to check Forum Centrum Windows best content for Poland right away, or after learning these important things about forum.centrumwindows.pl

Profesjonalne forum numer jeden w Polsce poświęcone systemom Windows i Windows Mobile oraz innym produktom Microsoft, takim jak Office, OneDrive i wiele innych.

Visit forum.centrumwindows.pl

Key Findings

We analyzed Forum.centrumwindows.pl page load time and found that the first response time was 797 ms and then it took 6.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

forum.centrumwindows.pl performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value3.7 s

58/100

25%

SI (Speed Index)

Value21.6 s

0/100

10%

TBT (Total Blocking Time)

Value39,930 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.336

34/100

15%

TTI (Time to Interactive)

Value52.3 s

0/100

10%

Network Requests Diagram

forum.centrumwindows.pl

797 ms

jquery-2.1.1.min.js

29 ms

style.css

234 ms

ustawienia.css

236 ms

global.css

237 ms

Our browser made a total of 123 requests to load all elements on the main page. We found that 83% of them (102 requests) were addressed to the original Forum.centrumwindows.pl, 5% (6 requests) were made to Pagead2.googlesyndication.com and 3% (4 requests) were made to Tpc.googlesyndication.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Forum.centrumwindows.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 423.9 kB (56%)

Content Size

759.3 kB

After Optimization

335.4 kB

In fact, the total size of Forum.centrumwindows.pl main page is 759.3 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. 45% of websites need less resources to load. Javascripts take 323.0 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 107.3 kB

  • Original 122.7 kB
  • After minification 105.8 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. This page needs HTML code to be minified as it can gain 16.9 kB, which is 14% 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 107.3 kB or 87% of the original size.

Image Optimization

-6%

Potential reduce by 15.8 kB

  • Original 246.7 kB
  • After minification 230.9 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. Forum Centrum Windows images are well optimized though.

JavaScript Optimization

-76%

Potential reduce by 244.8 kB

  • Original 323.0 kB
  • After minification 258.4 kB
  • After compression 78.2 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 244.8 kB or 76% of the original size.

CSS Optimization

-84%

Potential reduce by 56.1 kB

  • Original 66.9 kB
  • After minification 57.5 kB
  • After compression 10.8 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. Forum.centrumwindows.pl needs all CSS files to be minified and compressed as it can save up to 56.1 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 89 (74%)

Requests Now

121

After Optimization

32

The browser has sent 121 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Forum Centrum Windows. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

forum.centrumwindows.pl accessibility score

70

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

[aria-*] attributes do not match their roles

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

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

Best Practices

forum.centrumwindows.pl best practices score

58

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

Page has valid source maps

SEO Factors

forum.centrumwindows.pl SEO score

62

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

Language and Encoding

  • Language Detected

    PL

  • Language Claimed

    PL

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Forum.centrumwindows.pl can be misinterpreted by Google and other search engines. Our service has detected that Polish is used on the page, and it matches the claimed language. Our system also found out that Forum.centrumwindows.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 data is detected on the main page of Forum Centrum Windows. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: