What powers 
sinfonia.is?
Last seen Oct 2026 · 15 technologies across 10 categories
Analytics
CDN
Ecommerce
JavaScript libraries
Miscellaneous
Programming languages
Tag managers
Video players
Webmail
Widgets
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 57% phone
- 43% desktop
Iceland
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.37 / 10 · ranked #422,992 of all domains
111 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: English
- Weight: 75.2 MB · 48 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Iceland Symphony Orchestra
- Founded: 1950
From Wikidata (CC0).
Infrastructure
- Registered Aug 1997 (29 years)
- Hosted on Amazon Web Services (52.48.55.82)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 495,752, 4 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.sinfonia.is | 15 |
| en.sinfonia.is | 13 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cart Functionality May 2026
- dropped Cart Functionality Feb 2026