What powers 
zds-schornsteinfeger.de?
Last seen Sep 2026 · 8 technologies across 7 categories
Analytics
Matomo Analytics
since Aug 2020
Mailjet
since Aug 2022
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
UI frameworks
Web servers
Nginx
since Mar 2020
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 69% phone
- 31% desktop
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.57 / 10 · ranked #829,172 of all domains
32 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German (Germany)
- Weight: 1.9 MB · 27 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Central Association of German Chimney Sweeps
- Founded: 1949
- Country: Germany
From Wikidata (CC0).
Infrastructure
- Hosted on Hetzner (138.201.20.204)
- DNS: ns-serve.net
- Email: zds.email
- Email security: SPF (hard fail), DMARC monitor only
- SSL: SSL.com, RSA 2048, expires Mar 2027
- Common Crawl link graph: rank 9,885,963, 2 hosts
- Verified with: Meta Business
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted