What powers 
kfk.ch?
Last seen Oct 2026 · 10 technologies across 8 categories
Analytics
Google Analytics
since Oct 2023
CDN
Amazon CloudFront
since Oct 2023
Cookie compliance
CookieHub
since Oct 2023
JavaScript libraries
Miscellaneous
Open Graph
since Oct 2023
PWA
since Oct 2023
PaaS
Amazon Web Services
since Oct 2023
Security
HSTS
since Oct 2023
Webmail
Microsoft 365
since Oct 2023
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 checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Switzerland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #353,746 of all domains
49 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- CDN: Amazon CloudFront
- Weight: 5.8 MB · 32 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (3.166.160.11)
- DNS: Amazon Route 53
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine, DNSSEC signed
- SSL: Amazon Trust Services, RSA 2048, wildcard, expires Feb 2027
- Common Crawl link graph: rank 27,037,961, 2 hosts
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted