What powers 
stammzellspenderdatei.de?
Last seen Sep 2026 · 9 technologies across 7 categories
Cookie compliance
CookieFirst
since Feb 2024
JavaScript libraries
Programming languages
Ruby
since Jan 2019
Security
HSTS
since Sep 2022
UI frameworks
Web frameworks
Ruby on Rails
since Jan 2019
Web servers
Nginx
since Jan 2019
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.02 / 10 · ranked #551,554 of all domains
44 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 1.2 MB · 31 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on AS-TKRZ (91.190.229.220)
- DNS: epag.net
- Email: deltacity.net
- Email security: SPF (hard fail), DMARC reject, CAA
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 8,714,658
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Bootstrap Jul 2026
- detected CookieFirst Jul 2026
- detected HSTS Jul 2026
- detected jQuery Jul 2026
- detected Nginx Jul 2026
- detected Preact Jul 2026
- detected prettyPhoto Jul 2026
- detected Ruby Jul 2026
- detected Ruby on Rails Jul 2026