What powers 
rodenstock.ch?
Last seen Oct 2026 · 4 technologies across 4 categories
Miscellaneous
Open Graph
since Sep 2022
Programming languages
Java
since Jul 2020
Security
HSTS
since Sep 2022
Web servers
Apache HTTP Server
since Nov 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Switzerland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.10 / 10 · ranked #505,892 of all domains
32 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: German (Switzerland)
- Weight: 2.6 MB · 83 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on SPACENET SpaceNet GmbH (195.30.95.175)
- DNS: space.net
- Email: space.net
- Email security: SPF (soft fail), DMARC quarantine
- SSL: DigiCert, RSA 2048, expires Mar 2027
- Common Crawl link graph: rank 14,837,639, 2 hosts
- Verified with: Microsoft 365, OneTrust
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted