What powers roemer.nrw?
Last seen Sep 2026 · 12 technologies across 8 categories
CDN
CMS
JavaScript libraries
Miscellaneous
Programming languages
Security
UI frameworks
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 69% phone
- 31% desktop
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.36 / 10 · ranked #1,051,214 of all domains
34 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 3.9 MB · 60 requests
- Structured data: Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on IT-NRW (93.184.134.177)
- DNS: it.nrw
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 1,217,000
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected jQuery CDN Jul 2026
- dropped Google Font API Jun 2026