What powers 
stueber.de?
Last seen Oct 2026 · 19 technologies across 13 categories
CDN
Documentation
Font scripts
JavaScript graphics
JavaScript libraries
Miscellaneous
Operating systems
Windows Server
since Oct 2020
Programming languages
Python
since Oct 2023
Security
HSTS
since Sep 2022
Static site generator
UI frameworks
Web servers
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 65% desktop
- 35% phone
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.92 / 10 · ranked #631,306 of all domains
37 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German (Germany)
- Weight: 7.3 MB · 25 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on IONOS (217.154.16.89, IPv6)
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Let's Encrypt, ECDSA P256, expires Jan 2027
- Common Crawl link graph: rank 474,256, 34 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| blog.stueber.de | 10 |
| davinci.stueber.de | 10 |
| www.stueber.de | 9 |
| doc.davinci-app.stueber.de | 5 |
| doc.la.stueber.de | 5 |