www.upenn.edu Tech Stack
Live first-party scan of www.upenn.edu's tech stack. 11 technologies detected across 12 categories, via Wappalyzer fingerprinting + DNS CNAME + TLS certificate inspection. Scan timestamp: May 31, 2026.
Infrastructure Layer
Let's Encrypt
CDN
Fastly
CMS
Drupal
Caching
Varnish
Databases
MariaDB
JavaScript libraries
jQuery
PaaS
Pantheon
Programming languages
PHP
Reverse proxies
Nginx
SSL/TLS certificate authority
Let's Encrypt
Security
HSTS
Tag managers
Google Tag Manager
Web servers
Nginx
Compare www.upenn.edu's Stack
How was this detected?
For www.upenn.edu, DetectZeStack identified 11 technologies: 10 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.upenn.edu compares
Symmetric diff between www.upenn.edu and similar sites detected on DetectZeStack.
vs jordancraig.com — 4 shared, 4 unique here, 4 unique there
Only on www.upenn.edu: Nginx, Pantheon, Drupal, Fastly
Only on jordancraig.com: Glider.js, HTTP/3, Tolstoy, Shopify
vs www.christ.de — 2 shared, 4 unique here, 4 unique there
Only on www.upenn.edu: Varnish, Nginx, Pantheon, Drupal
Only on www.christ.de: Azure Edge Network, DigiCert, Java, SAP Commerce Cloud
vs jomablue.com — 4 shared, 4 unique here, 4 unique there
Only on www.upenn.edu: jQuery, Varnish, Pantheon, Drupal
Only on jomablue.com: MySQL, NitroPack, Site Kit, WordPress
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Get Free API Key Chrome ExtensionWhat technologies does www.upenn.edu use?
www.upenn.edu uses 11 technologies across 12 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.upenn.edu use?
www.upenn.edu uses Drupal for content management. This was detected by analyzing HTTP response headers and HTML markup patterns.
What CDN does www.upenn.edu use?
www.upenn.edu uses Fastly for content delivery. CDN providers are identified through DNS CNAME records and HTTP response headers.
How is www.upenn.edu's tech stack detected?
DetectZeStack identifies technologies on www.upenn.edu 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.