What powers nhdsa.org?
Last seen Sep 2026 · 18 technologies across 11 categories
Analytics
Google Analytics
since Sep 2026
Caching
Varnish
since Sep 2026
CDN
Amazon SES
since Sep 2026
Font scripts
Font Awesome
since Sep 2026
JavaScript libraries
Miscellaneous
PaaS
Amazon Web Services
since Sep 2026
GitHub Pages
since Sep 2026
Programming languages
Ruby
since Sep 2026
Static site generator
UI frameworks
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
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Fastly
- Weight: 1.1 MB · 22 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Fastly (185.199.108.153, IPv6)
- DNS: Porkbun
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Jan 2027
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted