What powers 
planetarium-freiburg.de?
Last seen Oct 2026 · 11 technologies across 6 categories
Analytics
Plausible
since Oct 2025
JavaScript frameworks
JavaScript libraries
Miscellaneous
HTTP/3
since Feb 2025
UI frameworks
Bootstrap
since Sep 2020
Tailwind CSS
since Oct 2025
Web servers
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 96% phone
- 4% desktop
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.61 / 10 · ranked #810,203 of all domains
54 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- Weight: 9.9 MB · 55 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Hetzner (116.203.123.75, IPv6)
- DNS: badenit.zone
- Email: planetarium-freiburg.de
- Email security: SPF (hard fail), DMARC reject, MTA-STS
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 2,714,305, 3 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.planetarium-freiburg.de | 7 |
| reservierung.planetarium-freiburg.de | 5 |