www.postgresql.org Tech Stack
Live first-party scan of www.postgresql.org's tech stack. 5 technologies detected across 6 categories, via Wappalyzer fingerprinting + DNS CNAME + TLS certificate inspection. Last change: Apr 26, 2026 - www.postgresql.org upgraded Varnish to 6.0. Scan timestamp: May 31, 2026.
Infrastructure Layer
Let's Encrypt
Caching
Varnish
Reverse proxies
Nginx
SSL/TLS certificate authority
Let's Encrypt
Security
HSTS
UI frameworks
Bootstrap
Web servers
Nginx
Tech Stack Changes
Compare www.postgresql.org's Stack
How was this detected?
For www.postgresql.org, DetectZeStack identified 5 technologies: 4 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.postgresql.org compares
Symmetric diff between www.postgresql.org and similar sites detected on DetectZeStack.
vs encinitaslax.org — 2 shared, 3 unique here, 4 unique there
Only on www.postgresql.org: Varnish, HSTS, Nginx
Only on encinitaslax.org: Cloudflare Bot Management, HTTP/3, MySQL, Unpkg
vs portal.iclasspro.com — 1 shared, 4 unique here, 4 unique there
Only on www.postgresql.org: Varnish, HSTS, Let's Encrypt, Nginx
Only on portal.iclasspro.com: HTTP/3, Slick, Swiper, jQuery
vs www.tennesseebaseballcamp.com — 1 shared, 4 unique here, 4 unique there
Only on www.postgresql.org: Let's Encrypt, Nginx, Varnish, HSTS
Only on www.tennesseebaseballcamp.com: jQuery CDN, jQuery Migrate, Amazon Web Services, IIS
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Get Free API Key Chrome ExtensionWhat technologies does www.postgresql.org use?
www.postgresql.org uses 5 technologies across 6 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.
How is www.postgresql.org's tech stack detected?
DetectZeStack identifies technologies on www.postgresql.org 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.