What powers bbs-holzminden.de?
Last seen Oct 2026 · 9 technologies across 7 categories
JavaScript libraries
Miscellaneous
Security
UI frameworks
Web servers
Webmail
Widgets
AI Crawlers
Blocks 3 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Bytespider Blocked
- GPTBot Blocked
- meta-externalagent Blocked
- ClaudeBot Allowed
The other 29 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
3 of 33 AI crawlers blocked
Standards: llms.txt
Audience
- 100% phone
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.27 / 10 · ranked #2,943,412 of all domains
14 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: German
- Weight: 2.3 MB · 49 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Georg von Langen School
- Founded: 1866
- Country: Germany
From Wikidata (CC0).
Infrastructure
- Hosted on Hetzner (144.76.55.199, IPv6)
- DNS: first-ns.de
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 10,883,532, 2 hosts
- Verified with: Apple Business, Autodesk
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
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