What powers dr-hahn.de?
Last seen Sep 2026 · 13 technologies across 8 categories
Analytics
CDN
JavaScript frameworks
JavaScript libraries
Miscellaneous
Programming languages
Security
Widgets
AI Crawlers
Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Sep 2026.
Training crawlers
- GPTBot Allowed
Search and AI assistants
- PerplexityBot Allowed
The other 31 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.05 / 10 · ranked #3,460,449 of all domains
14 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 125 ms |
| CLS | 0.05 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- CDN: Cloudflare
- Weight: 4.0 MB · 112 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Hetzner (168.119.95.252, IPv6)
- DNS: telekom.net
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 18,962,331, 6 hosts
- Verified with: Apple Business, Microsoft 365, SwissSign
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted