What powers nffs.org?
Last seen Sep 2026 · 21 technologies across 16 categories
Analytics
Authentication
Ecommerce
JavaScript frameworks
JavaScript libraries
Load balancers
Miscellaneous
PaaS
RUM
Security
Tag managers
UI frameworks
Video players
Web frameworks
Webmail
AI Crawlers
Restricts 1 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- ClaudeBot Restricted
The other 32 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 claudebot added to robots.txt
AI Crawlers
1 of 33 AI crawlers restricted
Audience
- 87% desktop
- 13% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.18 / 10 · ranked #1,292,900 of all domains
31 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.9 s |
| INP | 50 ms |
| CLS | 0.1 |
| TTFB | 1800 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Microsoft Azure
- Weight: 38.0 MB · 116 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Microsoft (20.119.0.45)
- DNS: Network Solutions
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC reject
- SSL: DigiCert, RSA 2048, expires Mar 2027
- Common Crawl link graph: rank 3,378,718, 4 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