cal.com Technology Stack
cal.com runs 7 technologies across 7 categories — covering everything from web servers and frameworks to analytics and security. This profile was last updated on Apr 9, 2026.
Infrastructure Layer
Google Cloud
CDN
Cloudflare
CMS
Framer Sites
Cloud hosting
Google Cloud
JavaScript frameworks
React
Page builders
Framer Sites
Security
Cloudflare Bot Management
HSTS
Tag managers
Google Tag Manager
Compare cal.com's Stack
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Get Free API Key Chrome ExtensionWhat technologies does cal.com use?
cal.com uses 7 technologies across 7 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 cal.com use?
cal.com uses Framer Sites for content management. This was detected by analyzing HTTP response headers and HTML markup patterns.
What CDN does cal.com use?
cal.com uses Cloudflare for content delivery. CDN providers are identified through DNS CNAME records and HTTP response headers.
What JavaScript framework does cal.com use?
cal.com uses React. JavaScript frameworks are detected through script analysis and HTML markup patterns.
How is cal.com's tech stack detected?
DetectZeStack identifies technologies on cal.com 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.