What powers openumwelt.de?
Last seen Sep 2026 · 9 technologies across 6 categories
Caching
Varnish
since Aug 2025
JavaScript frameworks
JavaScript libraries
Programming languages
Node.js
since Aug 2025
TypeScript
since Aug 2025
Security
HSTS
since Aug 2025
Web frameworks
Express
since Aug 2025
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 checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.08 / 10 · ranked #1,452,089 of all domains
22 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 2.8 MB · 36 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on PLANETARYNETWORKS (5.57.43.135)
- DNS: 123ns.eu
- Email: no MX record returned
- Email security: SPF (hard fail), DMARC reject
- SSL: Let's Encrypt, ECDSA P384, expires Dec 2026
- Common Crawl link graph: rank 6,993,329, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted