What powers olf.ch?
Last seen Aug 2026 · 11 technologies across 9 categories
Analytics
CDN
jQuery CDN
since Feb 2022
CRM
Zoho
since Aug 2022
Microsoft 365
since Aug 2022
Zoho Mail
since Aug 2022
JavaScript libraries
Miscellaneous
PWA
since Aug 2022
Operating systems
Windows Server
since May 2019
Web frameworks
Web servers
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
All crawlers blocked
Audience
- 91% desktop
- 9% phone
Switzerland
France
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.02 / 10 · ranked #555,147 of all domains
40 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 1.0 MB · 34 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on SUNRISE (195.141.77.173)
- DNS: cdi.ch
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine
- SSL: DigiCert, RSA 2048, wildcard, expires Feb 2027
- Common Crawl link graph: rank 13,364,303, 3 hosts
- Verified with: Atlassian, Microsoft 365, Zoho
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| olf.ch | 11 |
| www.olf.ch | 11 |