What powers 
rheinenergiestiftung.de?
Last seen Sep 2026 · 13 technologies across 7 categories
CDN
Cloudflare
since Nov 2023
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Nov 2023
Security
Cloudflare Bot Management
since Nov 2023
HSTS
since Nov 2023
Tag managers
Matomo Tag Manager
since Nov 2023
Web frameworks
Microsoft ASP.NET
since Nov 2023
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 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
4.65 / 10 · ranked #379,440 of all domains
99 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 0.6 MB · 35 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on NETCOLOGNE (83.138.60.47)
- DNS: rheinenergie.com
- Email: rheinenergie.com
- Email security: SPF (hard fail), no DMARC record, CAA
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 9,540,207, 3 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted