Tools & Wizards About Us
datacenter-group.com screenshot

Report Summary

  • 51

    Performance

    Renders faster than
    69% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

datacenter-group.com

Data Center Group - effiziente, sichere und hochverfügbare Rechenzentren – Data Center Group

Page Load Speed

4.6 sec in total

First Response

220 ms

Resources Loaded

2.8 sec

Page Rendered

1.6 sec

datacenter-group.com screenshot

About Website

Visit datacenter-group.com now to see the best up-to-date Data Center Group content and also check out these interesting facts you probably never knew about datacenter-group.com

Von der Beratung und Planung bis hin zu Service und Betrieb. Zur Erreichung Ihrer Ziele arbeiten die sechs verschiedenen Geschäftsbereiche der Data Center Group eng verzahnt und aufeinander abgestimmt...

Visit datacenter-group.com

Key Findings

We analyzed Datacenter-group.com page load time and found that the first response time was 220 ms and then it took 4.4 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

datacenter-group.com performance score

51

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value4.8 s

30/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value320 ms

76/100

30%

CLS (Cumulative Layout Shift)

Value0.192

64/100

15%

TTI (Time to Interactive)

Value8.3 s

39/100

10%

Network Requests Diagram

datacenter-group.com

220 ms

417 ms

shariff.complete-6e21bf676f4d6ad89facca93ac7225c2.css

260 ms

styles-63e5fadf04176daaee1d79b15db4aaac.css

551 ms

app.js

596 ms

Our browser made a total of 37 requests to load all elements on the main page. We found that 95% of them (35 requests) were addressed to the original Datacenter-group.com, 3% (1 request) were made to Cloud.ccm19.de and 3% (1 request) were made to . The less responsive or slowest element that took the longest time to load (995 ms) belongs to the original domain Datacenter-group.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 210.8 kB (24%)

Content Size

879.0 kB

After Optimization

668.2 kB

  • HTML
  • Images

In fact, the total size of Datacenter-group.com main page is 879.0 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. Images take 676.0 kB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 169.9 kB

  • Original 203.0 kB
  • After minification 181.0 kB
  • After compression 33.1 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 22.0 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 169.9 kB or 84% of the original size.

Image Optimization

-6%

Potential reduce by 40.8 kB

  • Original 676.0 kB
  • After minification 635.1 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. Data Center Group images are well optimized though.

Requests Breakdown

Number of requests can be reduced by 3 (9%)

Requests Now

34

After Optimization

31

  • Images
  • JavaScript
  • CSS

The browser has sent 34 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Data Center Group. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

datacenter-group.com

datacenter-group.com

220 ms

417 ms

shariff.complete-6e21bf676f4d6ad89facca93ac7225c2.css

shariff.complete-6e21bf676f4d6ad89facca93ac7225c2.css

260 ms

styles-63e5fadf04176daaee1d79b15db4aaac.css

styles-63e5fadf04176daaee1d79b15db4aaac.css

551 ms

app.js

app.js

596 ms

shariff.complete.js

shariff.complete.js

212 ms

scripts.js

scripts.js

545 ms

cfd16b174d7f7b046e20adbc2e0a1094.js

cfd16b174d7f7b046e20adbc2e0a1094.js

316 ms

data-center-group-logo.svg

data-center-group-logo.svg

114 ms

csm_AdobeStock_124039480_c9074f958a.webp

csm_AdobeStock_124039480_c9074f958a.webp

245 ms

csm_Consulting_Analyse_Header_c3cb4d2904.webp

csm_Consulting_Analyse_Header_c3cb4d2904.webp

285 ms

csm_Engineering_Header_547a60b873.webp

csm_Engineering_Header_547a60b873.webp

424 ms

csm_Construction_Gu_Gue_Header_832d00825c.webp

csm_Construction_Gu_Gue_Header_832d00825c.webp

325 ms

csm_AdobeStock_456873939_e281dd7dce.webp

csm_AdobeStock_456873939_e281dd7dce.webp

360 ms

csm_Services_Routing_Header_2c74f64739.webp

csm_Services_Routing_Header_2c74f64739.webp

713 ms

csm_Solutions_Tab_Colocation_46b76ea680.webp

csm_Solutions_Tab_Colocation_46b76ea680.webp

375 ms

csm_MicrosoftTeams-image__14__3910297037.png

csm_MicrosoftTeams-image__14__3910297037.png

686 ms

csm_DCG_Konfigurator_019b4f4fa7.png

csm_DCG_Konfigurator_019b4f4fa7.png

592 ms

csm_IMG_4462_26b771d5f5.jpg

csm_IMG_4462_26b771d5f5.jpg

613 ms

csm_AdobeStock_177345386-dark_5c5f162b18.jpg

csm_AdobeStock_177345386-dark_5c5f162b18.jpg

516 ms

csm_AdobeStock_145485999_e9040b0c69.jpeg

csm_AdobeStock_145485999_e9040b0c69.jpeg

796 ms

logo_DCC_neu.svg

logo_DCC_neu.svg

631 ms

kues-data-logo_neu.svg

kues-data-logo_neu.svg

705 ms

Logo_Stadtwerke_Emden_neu.svg

Logo_Stadtwerke_Emden_neu.svg

730 ms

Logos-Kunden_rewe-group_neu.svg

Logos-Kunden_rewe-group_neu.svg

776 ms

Logos-Kunden_jost_neu.svg

Logos-Kunden_jost_neu.svg

820 ms

Logos-Kunden_hoermann_neu.svg

Logos-Kunden_hoermann_neu.svg

829 ms

Logos-Kunden_stadtwerke-karlsruhe_neu.svg

Logos-Kunden_stadtwerke-karlsruhe_neu.svg

823 ms

Logos-Kunden_kuka_neu.svg

Logos-Kunden_kuka_neu.svg

841 ms

Logos-Kunden_marc-o-polo.svg

Logos-Kunden_marc-o-polo.svg

887 ms

Logos-Kunden_edeka_neu.svg

Logos-Kunden_edeka_neu.svg

913 ms

Koelner_Verkehrs-Betriebe_AG_logo_neu2.svg

Koelner_Verkehrs-Betriebe_AG_logo_neu2.svg

933 ms

Villeroy___Boch_logo_inverse_neu.svg

Villeroy___Boch_logo_inverse_neu.svg

931 ms

Otto_von_Guericke_Universitaet_Magdeburg_Logo_neu.svg

Otto_von_Guericke_Universitaet_Magdeburg_Logo_neu.svg

940 ms

Fraunhofer-IESE_logo.svg

Fraunhofer-IESE_logo.svg

977 ms

Hansgrohe-Logo.svg

Hansgrohe-Logo.svg

995 ms

PAJJhLM6sSoWKfWCAAwDAjgbRAAB42mNgYGBkAIIbCZo5IPrmUn0hGA0AO8EFTQAA

PAJJhLM6sSoWKfWCAAwDAjgbRAAB42mNgYGBkAIIbCZo5IPrmUn0hGA0AO8EFTQAA

1 ms

Accessibility Review

datacenter-group.com accessibility score

80

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

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

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

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

High

Some elements have a [tabindex] value greater than 0

Best Practices

datacenter-group.com best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

datacenter-group.com SEO score

100

Search Engine Optimization Advices

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

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Datacenter-group.com can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Datacenter-group.com 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

datacenter-group.com

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