What powers roter-renner.de?
Last seen Sep 2026 · 4 technologies across 4 categories
Hosting
IONOS
since Aug 2022
Security
HSTS
since Sep 2022
Web frameworks
Microsoft ASP.NET
since Dec 2021
Web servers
Kestrel
since Dec 2021
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
3.50 / 10 · ranked #898,089 of all domains
78 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 17.1 MB · 39 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Microsoft (51.116.145.32)
- DNS: IONOS
- Email: IONOS
- Email security: SPF (soft fail), no DMARC record
- SSL: DigiCert, RSA 2048, expires Apr 2027
- Common Crawl link graph: rank 963,284, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| roter-renner.de | 4 |
| www.roter-renner.de | 4 |