What powers hfk-heidelberg.de?
Last seen Sep 2026 · 11 technologies across 6 categories
Hosting
JavaScript libraries
Miscellaneous
Security
Video players
Web servers
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Oct 2026.
Training crawlers
- ClaudeBot Restricted
- GPTBot Restricted
Search and AI assistants
- OAI-SearchBot Restricted
- PerplexityBot Restricted
User-request fetchers
- ChatGPT-User Restricted
- Claude-User Restricted
- Perplexity-User Restricted
The other 26 AI crawlers we track are not mentioned and are blocked by the catch-all rule (User-agent: *).
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
All crawlers blocked
Audience
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.31 / 10 · ranked #1,116,638 of all domains
41 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- Weight: 2.5 MB · 39 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Hochschule für Kirchenmusik Heidelberg
- Founded: 1931
- Country: Germany
From Wikidata (CC0).
Infrastructure
- Hosted on Hetzner (78.47.183.205)
- DNS: STRATO
- Email: STRATO
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 1,225,580, 2 hosts
DNS records as swept Sep 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Matomo Analytics Aug 2026
- detected lit-element Jul 2026
- detected lit-html Jul 2026