What powers siebterhimmel.de?
Last seen Oct 2026 · 20 technologies across 13 categories
Analytics
Google Analytics
since Sep 2021
CDN
Cloudflare
since Apr 2022
CMS
Contentful
since Jul 2025
Mailjet
since May 2023
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Webpack
since Jul 2025
PaaS
Vercel
since Jul 2025
Performance
Priority Hints
since Jul 2025
Programming languages
Node.js
since Jul 2025
Security
Cloudflare Bot Management
since Apr 2022
HSTS
since Jul 2025
UI frameworks
Radix UI
since Jul 2025
Tailwind CSS
since Jul 2025
Web servers
Apache HTTP Server
since Sep 2021
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 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
3.12 / 10 · ranked #1,394,995 of all domains
36 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- CDN: Vercel
- Weight: 1.0 MB · 36 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (76.76.21.21)
- DNS: kiagdomain.de
- Email: sec-provider.de
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 14,699,529, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| siebterhimmel.de | 13 |
| www.siebterhimmel.de | 9 |