Tools & Wizards About Us
centrum-danych.pl screenshot

Report Summary

  • 31

    Performance

    Renders faster than
    51% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

centrum-danych.pl

Artnet.pl

Page Load Speed

4.2 sec in total

First Response

365 ms

Resources Loaded

3.8 sec

Page Rendered

84 ms

centrum-danych.pl screenshot

About Website

Click here to check amazing Centrum Danych content. Otherwise, check out these important facts you probably never knew about centrum-danych.pl

Artnet Data Center is a Tier III class data center in Poland. Colocation, dedicated servers and cloud services provided in our own data center with redundancy of power, air-conditioning, internet conn...

Visit centrum-danych.pl

Key Findings

We analyzed Centrum-danych.pl page load time and found that the first response time was 365 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

centrum-danych.pl performance score

31

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

22/100

10%

LCP (Largest Contentful Paint)

Value12.8 s

0/100

25%

SI (Speed Index)

Value8.6 s

17/100

10%

TBT (Total Blocking Time)

Value810 ms

36/100

30%

CLS (Cumulative Layout Shift)

Value0.022

100/100

15%

TTI (Time to Interactive)

Value12.1 s

16/100

10%

Network Requests Diagram

centrum-danych.pl

365 ms

centrum-danych.pl

511 ms

436 ms

style.min.css

128 ms

bootstrap.min.css

370 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 3% of them (2 requests) were addressed to the original Centrum-danych.pl, 83% (55 requests) were made to Artnet.pl and 5% (3 requests) were made to Gstatic.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Artnet.pl.

Page Optimization Overview & Recommendations

Page size can be reduced by 292.6 kB (36%)

Content Size

815.4 kB

After Optimization

522.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Centrum-danych.pl main page is 815.4 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. 50% of websites need less resources to load. Images take 422.5 kB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 75.5 kB

  • Original 91.0 kB
  • After minification 81.0 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 10.0 kB, which is 11% 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 75.5 kB or 83% of the original size.

Image Optimization

-51%

Potential reduce by 215.5 kB

  • Original 422.5 kB
  • After minification 207.0 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, Centrum Danych needs image optimization as it can save up to 215.5 kB or 51% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 1.3 kB

  • Original 235.0 kB
  • After minification 235.0 kB
  • After compression 233.7 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 301 B

  • Original 67.0 kB
  • After minification 67.0 kB
  • After compression 66.7 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. Centrum-danych.pl has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 12 (25%)

Requests Now

48

After Optimization

36

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 48 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centrum Danych. 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 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

centrum-danych.pl

centrum-danych.pl

365 ms

centrum-danych.pl

centrum-danych.pl

511 ms

436 ms

style.min.css

style.min.css

128 ms

bootstrap.min.css

bootstrap.min.css

370 ms

style.css

style.css

357 ms

style.min.css

style.min.css

362 ms

style.css

style.css

365 ms

bootstrap-icons.min.css

bootstrap-icons.min.css

381 ms

js

js

67 ms

bootstrap.bundle.min.js

bootstrap.bundle.min.js

488 ms

script.js

script.js

477 ms

script.js

script.js

479 ms

api.js

api.js

40 ms

logo_artnet-300x278.png

logo_artnet-300x278.png

133 ms

UE_EFRR_en_white-300x98.jpg

UE_EFRR_en_white-300x98.jpg

135 ms

en.svg

en.svg

130 ms

pl.svg

pl.svg

133 ms

server-room-banner.webp

server-room-banner.webp

476 ms

logo_iso27001.webp

logo_iso27001.webp

136 ms

logo_iso9001.webp

logo_iso9001.webp

359 ms

icon-offer-colocation.png

icon-offer-colocation.png

243 ms

icon-offer-dedicated-server.png

icon-offer-dedicated-server.png

359 ms

icon-offer-vps-storage.png

icon-offer-vps-storage.png

477 ms

icon-offer-gpu-server.png

icon-offer-gpu-server.png

367 ms

L_Trojmiasto-300x123.png

L_Trojmiasto-300x123.png

363 ms

L_Sunreef-300x54.png

L_Sunreef-300x54.png

478 ms

L_LST-300x157.png

L_LST-300x157.png

480 ms

L_Idego-300x200.png

L_Idego-300x200.png

484 ms

L_TOPQ.png

L_TOPQ.png

607 ms

L_WebD.webp

L_WebD.webp

598 ms

L_Siatkowka-300x119.jpg

L_Siatkowka-300x119.jpg

601 ms

gdynia-banner-mirror.webp

gdynia-banner-mirror.webp

946 ms

Logo_HP.png

Logo_HP.png

600 ms

Logo_DELL.png

Logo_DELL.png

604 ms

Logo_BENNING.png

Logo_BENNING.png

718 ms

Logo_Cisco.png

Logo_Cisco.png

719 ms

Logo_Brocade.png

Logo_Brocade.png

722 ms

Logo_STULZ.png

Logo_STULZ.png

726 ms

Logo_EMC.png

Logo_EMC.png

729 ms

logo_artnet_whitetext-300x278.png

logo_artnet_whitetext-300x278.png

838 ms

PayU_grey.png

PayU_grey.png

839 ms

PayPal_grey.png

PayPal_grey.png

841 ms

bitcoin_grey.png

bitcoin_grey.png

845 ms

facebook_logo-300x300.png

facebook_logo-300x300.png

848 ms

linkedin_logo.png

linkedin_logo.png

958 ms

recaptcha__en.js

recaptcha__en.js

43 ms

Comfortaa-Bold.ttf

Comfortaa-Bold.ttf

1038 ms

Comfortaa-SemiBold.ttf

Comfortaa-SemiBold.ttf

1045 ms

Comfortaa-Medium.ttf

Comfortaa-Medium.ttf

1047 ms

Comfortaa-Regular.ttf

Comfortaa-Regular.ttf

934 ms

fallback

fallback

48 ms

Comfortaa-Light.ttf

Comfortaa-Light.ttf

939 ms

bootstrap-icons.woff

bootstrap-icons.woff

1067 ms

Figtree-Regular.ttf

Figtree-Regular.ttf

964 ms

Figtree-Medium.ttf

Figtree-Medium.ttf

1057 ms

Figtree-Light.ttf

Figtree-Light.ttf

1067 ms

fallback__ltr.css

fallback__ltr.css

4 ms

css

css

30 ms

logo_48.png

logo_48.png

3 ms

Figtree-SemiBold.ttf

Figtree-SemiBold.ttf

968 ms

Figtree-Bold.ttf

Figtree-Bold.ttf

853 ms

Figtree-ExtraBold.ttf

Figtree-ExtraBold.ttf

859 ms

Figtree-Black.ttf

Figtree-Black.ttf

948 ms

KFOmCnqEu92Fr1Mu4mxPKTU1Kg.ttf

KFOmCnqEu92Fr1Mu4mxPKTU1Kg.ttf

17 ms

KFOlCnqEu92Fr1MmEU9fBBc9AMP6lQ.ttf

KFOlCnqEu92Fr1MmEU9fBBc9AMP6lQ.ttf

19 ms

Accessibility Review

centrum-danych.pl accessibility score

98

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.

Best Practices

centrum-danych.pl best practices score

83

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

Page has valid source maps

SEO Factors

centrum-danych.pl SEO score

93

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

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 Centrum-danych.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 Centrum-danych.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

centrum-danych.pl

Open Graph data is detected on the main page of Centrum Danych. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: