What powers 
tettnang.de?
Last seen Sep 2026 · 18 technologies across 7 categories
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Security
HSTS
since Sep 2022
UI frameworks
Web servers
Apache HTTP Server
since Jan 2019
Webmail
Apple iCloud Mail
since Jul 2024
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 85% phone
- 9% desktop
- 7% tablet
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.65 / 10 · ranked #379,601 of all domains
113 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 2.1 MB · 77 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Tettnang
- Founded: 1297
- Country: Germany
From Wikidata (CC0).
Infrastructure
- Hosted on PLUSLINE (89.110.176.242)
- DNS: Hetzner
- Email: kvnbw.de
- Email security: SPF (hard fail), no DMARC record
- SSL: Sectigo, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 782,473, 5 hosts
- Verified with: Apple Business, Cisco
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped PWA Nov 2025