What powers 
sfacf.org?
Last seen Sep 2026 · 15 technologies across 14 categories
Analytics
CMS
Font scripts
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Miscellaneous
Operating systems
PaaS
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Webmail
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 80% desktop
- 20% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.89 / 10 · ranked #658,983 of all domains
67 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 10.4 MB · 30 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Sioux Falls Area Community Foundation
- Industry: Professional services (declares
ProfessionalService)
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Amazon Web Services (54.71.233.110)
- DNS: Amazon Route 53
- 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 9,022,431, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted