www.nih.gov Tech Stack
Live first-party scan of www.nih.gov's tech stack. 17 technologies detected across 15 categories, via Wappalyzer fingerprinting + DNS CNAME + TLS certificate inspection. Scan timestamp: Oct 11, 2026.
Infrastructure Layer
Let's Encrypt
Analytics
Cloudflare Browser Insights
Crazy Egg
CDN
Cloudflare
CMS
Drupal
Caching
Varnish
JavaScript libraries
jQuery
Miscellaneous
HTTP/3
PaaS
Acquia Cloud Platform
Amazon Web Services
Programming languages
PHP
RUM
Cloudflare Browser Insights
SSL/TLS certificate authority
Let's Encrypt
Security
Cloudflare Bot Management
HSTS
Tag managers
Google Tag Manager
UI frameworks
USWDS
Video players
FitVids.JS
Widgets
FitVids.JS
Compare www.nih.gov's Stack
How was this detected?
For www.nih.gov, DetectZeStack identified 17 technologies: 16 via HTTP fingerprinting and 1 via TLS handshake.
Detection runs four independent layers in parallel: HTTP response headers, TLS handshake metadata, certificate issuer inspection, and DNS record lookups. The breakdown above shows which layers fired for this specific domain — some sites carry most of their fingerprint in HTTP, others rely heavily on infrastructure (DNS/TLS).
How www.nih.gov compares
Symmetric diff between www.nih.gov and similar sites detected on DetectZeStack.
vs grupay.app — 3 shared, 4 unique here, 1 unique there
Only on www.nih.gov: Drupal, Google Tag Manager, USWDS, PHP
Only on grupay.app: Google Cloud
vs media-console.grupay.app — 4 shared, 4 unique here, 1 unique there
Only on www.nih.gov: FitVids.JS, Varnish, Amazon Web Services, Pinterest
Only on media-console.grupay.app: Google Cloud
vs vie50.indoex.io — 2 shared, 4 unique here, 1 unique there
Only on www.nih.gov: Drupal, Google Tag Manager, USWDS, PHP
Only on vie50.indoex.io: Google Cloud
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Get Free API Key Chrome ExtensionWhat technologies does www.nih.gov use?
www.nih.gov uses 17 technologies across 15 categories. The full breakdown is listed above, organized by function. Each technology was identified through analysis of HTTP headers, DNS records, TLS certificates, and HTML content.
What CMS does www.nih.gov use?
www.nih.gov uses Drupal for content management. This was detected by analyzing HTTP response headers and HTML markup patterns.
What CDN does www.nih.gov use?
www.nih.gov uses Cloudflare for content delivery. CDN providers are identified through DNS CNAME records and HTTP response headers.
What analytics tools does www.nih.gov use?
www.nih.gov uses Cloudflare Browser Insights, Crazy Egg for web analytics. These services are detected through JavaScript includes and tracking pixel patterns.
How is www.nih.gov's tech stack detected?
DetectZeStack identifies technologies on www.nih.gov through multiple detection methods: HTTP response header analysis, HTML and JavaScript content scanning, DNS record lookups, and TLS certificate inspection. This multi-layered approach catches technologies that single-method tools miss.