What powers 
viebrockhaus.de?
Last seen Aug 2026 · 36 technologies across 23 categories
Advertising
Analytics
Cache Tools
CDN
Cookie compliance
Font scripts
JavaScript Frameworks
JavaScript libraries
Live chat
Marketing automation
Miscellaneous
Mobile frameworks
Operating systems
Performance
Programming languages
Security
Tag Managers
UI frameworks
Video players
Web frameworks
Web servers
Webmail
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 * removed from robots.txt
- Sep 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 80% phone
- 14% desktop
- 7% tablet
Germany
Czechia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.91 / 10 · ranked #256,142 of all domains
110 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 11.3 MB · 142 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Viebrockhaus AG (Viebrockhaus on Wikidata)
- Founded: 1954
- Country: Germany
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on ADDIX-AS AS-ADDIX Autonomous System (212.51.30.90)
- DNS: digital-advice.de
- Email: Hornetsecurity
- Email security: SPF (soft fail), DMARC monitor only
- SSL: ZeroSSL, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 2,291,538, 4 hosts
- Verified with: Apple Business, Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.viebrockhaus.de | 23 |
| 70jahre.viebrockhaus.de | 14 |
| handbuch.viebrockhaus.de | 14 |
| karriere.viebrockhaus.de | 9 |
Full technology history →
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Recent changes
- detected HubSpot Chat Aug 2026
- detected YouTube Jul 2026
- detected Microsoft Clarity Mar 2026
- dropped Svelte Feb 2026
- detected Priority Hints Jan 2026
- detected TikTok Pixel Nov 2025