Tools & Wizards About Us
datus.de screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

datus.de

Maßgeschneiderte IT-Kommunikationslösungen | Datus.de | Aachen

Page Load Speed

2.5 sec in total

First Response

154 ms

Resources Loaded

2.3 sec

Page Rendered

67 ms

datus.de screenshot

About Website

Click here to check amazing Datus content. Otherwise, check out these important facts you probably never knew about datus.de

Die Umstellung von Analog- auf Digitalkommunikation mit allen sicherheitsrelevanten Rahmenbedingungen sowie hochsichere IT-Kommunikationslösungen sind unsere Spezialität. Erhalten Sie erste Einblicke ...

Visit datus.de

Key Findings

We analyzed Datus.de page load time and found that the first response time was 154 ms and then it took 2.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

datus.de performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

66/100

10%

LCP (Largest Contentful Paint)

Value5.8 s

15/100

25%

SI (Speed Index)

Value6.0 s

47/100

10%

TBT (Total Blocking Time)

Value710 ms

42/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.4 s

24/100

10%

Network Requests Diagram

www.datus.com

154 ms

minified.js

46 ms

focus-within-polyfill.js

44 ms

polyfill.min.js

1248 ms

thunderbolt-commons.1fbb1c52.bundle.min.js

86 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Datus.de, 30% (16 requests) were made to Static.wixstatic.com and 23% (12 requests) were made to Sentry-next.wixpress.com. The less responsive or slowest element that took the longest time to load (1.2 sec) relates to the external source Polyfill-fastly.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 624.3 kB (50%)

Content Size

1.2 MB

After Optimization

614.9 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Datus.de main page is 1.2 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. 50% of websites need less resources to load. Javascripts take 517.3 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 338.6 kB

  • Original 434.4 kB
  • After minification 432.7 kB
  • After compression 95.8 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 338.6 kB or 78% of the original size.

Image Optimization

-5%

Potential reduce by 15.3 kB

  • Original 287.5 kB
  • After minification 272.2 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. Datus images are well optimized though.

JavaScript Optimization

-52%

Potential reduce by 270.4 kB

  • Original 517.3 kB
  • After minification 517.3 kB
  • After compression 246.9 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 270.4 kB or 52% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (34%)

Requests Now

32

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Datus. 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 as a result speed up the page load time.

Network Requests Diagram

www.datus.com

www.datus.com

154 ms

minified.js

minified.js

46 ms

focus-within-polyfill.js

focus-within-polyfill.js

44 ms

polyfill.min.js

polyfill.min.js

1248 ms

thunderbolt-commons.1fbb1c52.bundle.min.js

thunderbolt-commons.1fbb1c52.bundle.min.js

86 ms

main.80be598a.bundle.min.js

main.80be598a.bundle.min.js

89 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

86 ms

lodash.min.js

lodash.min.js

87 ms

react.production.min.js

react.production.min.js

87 ms

react-dom.production.min.js

react-dom.production.min.js

89 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

89 ms

wix-perf-measure.umd.min.js

wix-perf-measure.umd.min.js

90 ms

11062b_74ef3d923f9b451492d3ed9278991873f000.jpg

11062b_74ef3d923f9b451492d3ed9278991873f000.jpg

115 ms

LOGO-mit%20Claim_bunt.png

LOGO-mit%20Claim_bunt.png

192 ms

DATUS_Grafiken_kreisegrau-12.png

DATUS_Grafiken_kreisegrau-12.png

239 ms

DATUS_Grafiken_kreisegrau-12.png

DATUS_Grafiken_kreisegrau-12.png

264 ms

DATUS_Grafiken_kreisegrau-12.png

DATUS_Grafiken_kreisegrau-12.png

193 ms

8a957a_e2e3f7d5ef664e51b7493fa921636258~mv2.jpg

8a957a_e2e3f7d5ef664e51b7493fa921636258~mv2.jpg

247 ms

Server_onecolorY.png

Server_onecolorY.png

238 ms

idee_onecolorY.png

idee_onecolorY.png

454 ms

Notruf_onecolorX.png

Notruf_onecolorX.png

515 ms

DATUS_Grafiken_kreisegrau-12.png

DATUS_Grafiken_kreisegrau-12.png

336 ms

Service_onecolor2X_edited.png

Service_onecolor2X_edited.png

537 ms

DATUS_Grafiken_kreisegrau-12.png

DATUS_Grafiken_kreisegrau-12.png

354 ms

Vertrauen__onecolorX.png

Vertrauen__onecolorX.png

485 ms

TeleTrusT_LogoNameDE_Vekt.png

TeleTrusT_LogoNameDE_Vekt.png

604 ms

security.png

security.png

710 ms

dekra-logo-news.png

dekra-logo-news.png

682 ms

bundle.min.js

bundle.min.js

96 ms

03805817-4611-4dbc-8c65-0f73031c3973.woff

03805817-4611-4dbc-8c65-0f73031c3973.woff

14 ms

80c34ad2-27c2-4d99-90fa-985fd64ab81a.woff

80c34ad2-27c2-4d99-90fa-985fd64ab81a.woff

13 ms

c5749443-93da-4592-b794-42f28d62ef72.woff

c5749443-93da-4592-b794-42f28d62ef72.woff

14 ms

192dac76-a6d9-413d-bb74-22308f2e0cc5.woff

192dac76-a6d9-413d-bb74-22308f2e0cc5.woff

12 ms

0a3939d0-3833-4db3-8b85-f64c2b3350d2.woff

0a3939d0-3833-4db3-8b85-f64c2b3350d2.woff

12 ms

126 ms

118 ms

118 ms

117 ms

118 ms

110 ms

156 ms

150 ms

150 ms

147 ms

150 ms

149 ms

deprecation-de.v5.html

deprecation-de.v5.html

5 ms

bolt-performance

bolt-performance

25 ms

deprecation-style.v5.css

deprecation-style.v5.css

5 ms

right-arrow.svg

right-arrow.svg

17 ms

WixMadeforDisplay_W_Bd.woff

WixMadeforDisplay_W_Bd.woff

6 ms

WixMadeforText_W_Bd.woff

WixMadeforText_W_Bd.woff

3 ms

WixMadeforText_W_Rg.woff

WixMadeforText_W_Rg.woff

6 ms

Accessibility Review

datus.de accessibility score

86

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

button, link, and menuitem elements do not have accessible names.

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.

Best Practices

datus.de 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

datus.de SEO score

98

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

High

Tap targets are not sized appropriately

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 Datus.de 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 Datus.de 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

datus.de

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