What powers vdi.de?

Last seen Sep 2026 · 50 technologies across 24 categories

Advertising

Criteo
since Oct 2025
Microsoft Advertising
since Feb 2021

Affiliate programs

AWIN
since Aug 2026

Analytics

Facebook Pixel v2.9.397
since Jun 2021
Google Analytics
since Jun 2018
HubSpot Analytics
since Sep 2024
Linkedin Insight Tag
since Feb 2021
Matomo Analytics
since Apr 2025
Microsoft Clarity
since Sep 2022

CDN

Cloudflare
since Sep 2024

CMS

TYPO3 CMS
since Aug 2017

Cookie compliance

Cookiebot v1
since Aug 2020

Email

Mailjet
since Aug 2022

Font scripts

Bootstrap Icons v.
since Aug 2026
Ionicons
since Nov 2019

Hosting

Hetzner
since Sep 2024

JavaScript frameworks

Emotion
since May 2025
Next.js v15.5.22
since May 2025
React
since May 2025
styled-components v6.3.12
since May 2025

JavaScript libraries

core-js v3.0.1
since Sep 2021
DataTables v1.13.11
since May 2020
Highlight.js
since May 2023
jQuery v3.6.4
since Aug 2017
jQuery UI v1.13.3
since May 2023
LazySizes
since Feb 2022
Select2
since May 2023
Slick
since May 2020
Swiper
since Sep 2022

Live chat

HubSpot Chat
since Sep 2024

Marketing automation

HubSpot
since Sep 2024
Sendinblue
since Aug 2026

Miscellaneous

HTTP/3
since Apr 2025
Open Graph
since Sep 2022
PWA
since Aug 2022
Webpack
since May 2025

Mobile frameworks

jQuery-pjax
since May 2023

Operating systems

CentOS
since Jun 2019

Programming languages

Node.js
since May 2025
PHP
since Jun 2018

Rich text editors

CKEditor
since Aug 2026

Security

Cloudflare Bot Management
since Sep 2024
HSTS
since Sep 2022
reCAPTCHA
since May 2021

Tag managers

Google Tag Manager
since Oct 2017

UI frameworks

Bootstrap v3.4.1
since Jun 2019

Web server extensions

OpenSSL v1.1.1k
since Jun 2019

Web servers

Apache HTTP Server
since May 2017
Nginx
since Aug 2022

Webmail

Microsoft 365
since Sep 2025

AI Crawlers

Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026. A recent check saw a policy file missing; awaiting confirmation.

  • Aug 2026 *: Restricted (was Allowed)
  • Aug 2026 gptbot removed from robots.txt
  • Aug 2026 perplexitybot removed from robots.txt

See who blocks each AI crawler across the web

Top search keywords

KeywordPositionEst. monthly visits
16000/6 #6 3
vdi ultrasound #5 2
16000/26 #6 2
bionik #42 1
vdi 3345 #7 1
automatisierungstechnik #54 1
krdl #21 1
german engineers #8 1
16000/5 #85 1
16000/5 #25 1
16000/3 #33 1
technical availability #15 0
triz definition #48 0
ua 4645 #19 0
vertical bucket elevators #17 0
vdi login #51 0
vdi imaging #35 0
vdi full form #52 0
vdi full form #42 0
vdi engineer #42 0
vdi communication #89 0
vdi communication #71 0
vdi chart #98 0
vdi chart #32 0
vdi 3345 #9 0

The site's top keywords in Google (US), with the visits each one is estimated to bring per month.

Top backlinks

Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.

AI Crawlers

No AI crawlers blocked

Standards: llms.txt

Full breakdown

Audience

  • 51% desktop
  • 46% phone
  • 3% tablet
  • Germany
  • Austria
  • Switzerland
  • India

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

7.89 / 10 · ranked #9,308 of all domains

2,228 referring domains · OpenPageRank

Search traffic

15 est. monthly organic visits (US)

71 keywords in Google's top 30

Core Web Vitals

LCP3 s
INP75 ms
CLS0
TTFB2400 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: English (United States)
  • Weight: 3.6 MB · 24 requests
  • Structured data: OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Sep 2026.

Similar sites

Closest technology stacks among the highest-authority sites we track; "shared" counts the distinctive technologies in common.

Organisation

  • VDI – The Association of German Engineers
  • Founded: 1856
  • Sector: research and experimental development on natural sciences and engineering, activities of professional membership organisations, voluntary sector
  • Country: Germany

From Wikidata (CC0).

Infrastructure

  • Hosted on CSL (194.245.143.90)
  • DNS: nrw.net
  • Email: Microsoft 365
  • Email security: SPF (soft fail), DMARC monitor only, MTA-STS, BIMI
  • SSL: Let's Encrypt, RSA 2048, expires Oct 2026
  • Common Crawl link graph: rank 431,229, 19 hosts
  • Verified with: Atlassian, Cisco, Google, Microsoft 365

DNS records as swept Oct 2026, certificate as seen Sep 2026. How the web is hosted

Subdomains

HostTechs
www.vdi.de 25
befragung.vdi.de 23
blog.vdi.de 23
net.vdi.de 15
karriere.vdi.de 12
m.vdi.de 9
info.vdi.de 2

Full technology history →
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