What powers vhs-koeln.de?
Last seen Sep 2025 · 4 technologies across 3 categories
Analytics
Programming languages
Web Servers
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 Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.05 / 10 · ranked #241,939 of all domains
152 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 3400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Organisation
- Volkshochschule Köln
- Founded: 1919
- Country: Germany
From Wikidata (CC0).
Infrastructure
- Hosted on CLOUDPIT (91.151.20.22)
- Email: stadt-koeln.de
- Email security: SPF (soft fail), no DMARC record
- SSL: Sectigo, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 8,036,937, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| vhs-koeln.de | 4 |
| www.vhs-koeln.de | 4 |