What powers 
vdi-verlag.de?
Last seen Sep 2026 · 43 technologies across 23 categories
Advertising
Analytics
Authentication
Caching
CMS
Cookie compliance
Databases
Font scripts
Hosting
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
PaaS
Page builders
Performance
Programming languages
Security
Tag managers
Web servers
Webmail
WordPress plugins
WordPress themes
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.
- robots.txt found
- llms.txt not found
- ai.txt not found
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
Audience
- 63% phone
- 37% desktop
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.62 / 10 · ranked #144,181 of all domains
137 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 0.1 MB · 12 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- VDI Verlag GmbH
- Founded: 1923
- Country: Germany
From Wikidata (CC0).
Infrastructure
- Hosted on FCIO (185.105.252.254, IPv6)
- DNS: GoDaddy DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 651,454, 6 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| mediadaten.vdi-verlag.de | 27 |
| www.vdi-verlag.de | 15 |
| elibrary.vdi-verlag.de | 13 |
| sso.vdi-verlag.de | 9 |
| aktion.vdi-verlag.de | 8 |
Full technology history →
Report an incorrect detection
Recent changes
- detected GoDaddy Jul 2026
- detected Webpack Jun 2026
- detected Matomo Analytics Mar 2026
- detected Matomo Tag Manager Mar 2026
- detected Borlabs Cookie Feb 2026
- detected Vue.js Feb 2026
- detected Twitter Emoji (Twemoji) Dec 2025
- dropped Borlabs Cookie Nov 2025
- dropped Vue.js Nov 2025