buf.build Tech Stack
Live first-party scan of buf.build's tech stack. 7 technologies detected across 6 categories, via Wappalyzer fingerprinting + DNS CNAME + TLS certificate inspection. Scan timestamp: Aug 30, 2026.
Analytics
Fathom
CDN
Amazon S3
Google Cloud CDN
IaaS
Google Cloud
Miscellaneous
HTTP/3
PaaS
Amazon Web Services
Security
HSTS
Compare buf.build's Stack
How was this detected?
For buf.build, DetectZeStack identified 7 technologies: 7 via HTTP fingerprinting.
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 buf.build compares
Symmetric diff between buf.build and similar sites detected on DetectZeStack.
vs www.cless.com.br — 3 shared, 4 unique here, 4 unique there
Only on buf.build: Google Cloud CDN, Fathom, Google Cloud, HTTP/3
Only on www.cless.com.br: Kestrel, Microsoft ASP.NET, RD Station, reCAPTCHA
vs www.cicampo.com.br — 4 shared, 3 unique here, 4 unique there
Only on buf.build: Google Cloud CDN, Fathom, Google Cloud
Only on www.cicampo.com.br: Google Analytics, Let's Encrypt, jQuery, Cloudflare
vs www.altenburg.com.br — 2 shared, 4 unique here, 4 unique there
Only on buf.build: HTTP/3, Google Cloud CDN, Fathom, Google Cloud
Only on www.altenburg.com.br: Amazon CloudFront, History, LazySizes unveilhooks plugin, Nginx
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Get Free API Key Chrome ExtensionWhat technologies does buf.build use?
buf.build uses 7 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.
What CDN does buf.build use?
buf.build uses Amazon S3, Google Cloud CDN for content delivery. CDN providers are identified through DNS CNAME records and HTTP response headers.
What analytics tools does buf.build use?
buf.build uses Fathom for web analytics. These services are detected through JavaScript includes and tracking pixel patterns.
How is buf.build's tech stack detected?
DetectZeStack identifies technologies on buf.build 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.