What powers nabu-hamburg.de?
Last seen Aug 2026 · 14 technologies across 8 categories
Hosting
IONOS
since Aug 2022
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Select2
since May 2022
SweetAlert2
since May 2022
Miscellaneous
Popper
since May 2022
Security
HSTS
since Oct 2022
UI frameworks
Webmail
Microsoft 365
since Mar 2025
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 100% phone
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.29 / 10 · ranked #1,144,109 of all domains
46 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.9 s |
| INP | 1275 ms |
| CLS | 0.1 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 4.8 MB · 29 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on IONOS (217.160.0.64)
- DNS: IONOS
- Email: Microsoft 365
- Email security: SPF (soft fail), no DMARC record
- SSL: Sectigo, RSA 2048, wildcard, expires Feb 2027
- Common Crawl link graph: rank 7,953,732, 3 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted