What powers 
osi.swiss?
Last seen Sep 2026 · 11 technologies across 8 categories
CMS
JavaScript frameworks
Miscellaneous
PaaS
Programming languages
Security
UI frameworks
Webmail
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 78% phone
- 22% desktop
Italy
Switzerland
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.94 / 10 · ranked #619,286 of all domains
82 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.5 s |
| INP | 125 ms |
| CLS | 0.1 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Vercel
- Weight: 4.7 MB · 118 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Orchestra della Svizzera Italiana
- Founded: 1935
- Country: Switzerland
From Wikidata (CC0).
Infrastructure
- Hosted on Amazon Web Services (76.76.21.21)
- DNS: infomaniak.com
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 9,504,682, 7 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped Apple iCloud Mail Jul 2026
- detected Apple iCloud Mail Mar 2026
- dropped Infomaniak Jan 2026
- dropped Google Workspace Nov 2025