What powers 
ostpreussen.de?
Last seen Sep 2026 · 16 technologies across 14 categories
Advertising
Twitter Ads
since Aug 2022
Analytics
Matomo Analytics
since Aug 2022
CDN
Cloudflare
since Mar 2025
Google Hosted Libraries
since Aug 2022
Font scripts
Font Awesome
since Dec 2021
Hosting panels
Plesk
since Apr 2019
JavaScript libraries
Miscellaneous
Popper
since Apr 2022
Programming languages
Security
Cloudflare Bot Management
since Mar 2025
UI frameworks
Video players
YouTube
since Aug 2022
Web servers
Nginx
since Apr 2019
Webmail
Microsoft 365
since Aug 2022
Widgets
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 79% phone
- 21% desktop
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #326,255 of all domains
57 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- Weight: 1.0 MB · 19 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Landsmannschaft Ostpreußen
- Founded: 1948
- Country: Germany
From Wikidata (CC0).
Infrastructure
- Hosted on WORK-AS n@work Internet Informationssysteme GmbH (213.238.37.139)
- DNS: isp-netzplan.de
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 86,332, 5 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| bjo.ostpreussen.de | 13 |
| ostpreussen.de | 8 |
| www.ostpreussen.de | 5 |
| mitglieder.ostpreussen.de | 3 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025