What powers 
sfi.org?
Last seen Aug 2026 · 51 technologies across 25 categories
Analytics
CDN
CMS
Databases
Ecommerce
Font scripts
Hosting
JavaScript frameworks
JavaScript Graphics
JavaScript libraries
Miscellaneous
Operating systems
Page builders
Payment processors
Performance
Programming languages
Rich text editors
Security
UI frameworks
Video players
Web server extensions
Web servers
WordPress plugins
WordPress themes
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 * added to robots.txt
- Aug 2026 * removed from robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 62% desktop
- 38% phone
United States
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.05 / 10 · ranked #532,518 of all domains
50 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 225 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- Weight: 1.3 MB · 57 requests
- WordPress theme: themify-ultra · all themes
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Linode (Akamai) (192.155.94.117)
- DNS: sfi.org
- Email: no MX record returned, SPF names Mailgun
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Sectigo, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 118,679, 57 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| ic2024.sfi.org | 18 |
| es.sfi.org | 16 |
| sciences.sfi.org | 12 |
| sfmc.sfi.org | 12 |
| www.sfi.org | 11 |
| ic.sfi.org | 10 |
| qm.sfi.org | 10 |
| academy.sfi.org | 9 |
| compass.sfi.org | 9 |
| medical.sfi.org | 9 |
| members.sfi.org | 9 |
| sfi.org | 9 |
| vic23.sfi.org | 9 |
| sfso.sfi.org | 8 |
| icreg.sfi.org | 7 |
| db.sfi.org | 5 |
| helpdesk.sfi.org | 4 |
| webmail.sfi.org | 1 |
Full technology history →
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Recent changes
- dropped The Events Calendar Aug 2026
- dropped Jetpack Jul 2026
- dropped Moodle Jun 2026
- dropped RequireJS Jun 2026
- dropped UserWay Jun 2026
- dropped YUI Jun 2026
- detected Elementor May 2026
- detected Mailgun May 2026
- detected Really Simple SSL & Security May 2026
- detected AlmaLinux Apr 2026
- detected Moodle Apr 2026
- detected RequireJS Apr 2026
- detected UserWay Apr 2026
- detected YUI Apr 2026
- detected Jetpack Mar 2026
- dropped Drupal Feb 2026