What powers buehnen.koeln?
Last seen Sep 2026 · 25 technologies across 13 categories
Analytics
CDN
CMS
JavaScript libraries
Marketing automation
Miscellaneous
Programming languages
Security
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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.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 *: Restricted (was Blocked)
AI Crawlers
No AI crawlers blocked
Audience
- 84% phone
- 12% desktop
- 5% tablet
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.55 / 10 · ranked #840,338 of all domains
35 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 0.5 MB · 27 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Hetzner (78.46.104.108)
- Email: stadt-koeln.de
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 10,385,924, 5 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| sanierung.buehnen.koeln | 15 |
| shop.buehnen.koeln | 8 |
| buehnen.koeln | 7 |
Full technology history →
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