What powers umwelthaus.org?
Last seen Sep 2026 · 7 technologies across 5 categories
JavaScript libraries
Miscellaneous
Open Graph
since Feb 2023
Operating systems
Ubuntu
since May 2020
Programming languages
PHP
since Jul 2022
Web servers
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 86% phone
- 14% desktop
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.46 / 10 · ranked #936,540 of all domains
50 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| CLS | 0.35 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 1.0 MB · 24 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on RHTEC-AS www.rh-tec.de (62.216.187.211)
- DNS: internet-service24.de
- Email: mailsense2net.de
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 2,912,164, 12 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted