What powers 
osn.de?
Last seen Oct 2026 · 3 technologies across 3 categories
JavaScript libraries
Miscellaneous
Web servers
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 Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 79% phone
- 21% desktop
India
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.53 / 10 · ranked #858,185 of all domains
23 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.6 s |
| CLS | 0 |
| TTFB | 2500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 0.2 MB · 15 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on OSN OSN Online Service Nuernberg GmbH (194.45.27.133)
- DNS: osn.de
- Email: osn.de
- Email security: SPF (soft fail), DMARC monitor only, CAA, MTA-STS
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 8,661,206, 15 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Full technology history →
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Recent changes
- detected HTTP/3 May 2026