close.com Tech Stack
Live first-party scan of close.com's tech stack. 7 technologies detected across 5 categories, via Wappalyzer fingerprinting + DNS CNAME + TLS certificate inspection. Last change: May 24, 2026 - close.com added Amazon CloudFront. Scan timestamp: Jun 6, 2026.
Infrastructure Layer
Let's Encrypt
Analytics
Amplitude
CDN
Cloudflare
cdnjs
jsDelivr
JavaScript libraries
jQuery
Miscellaneous
HTTP/3
SSL/TLS certificate authority
Let's Encrypt
Tech Stack Changes
Compare close.com's Stack
How was this detected?
For close.com, DetectZeStack identified 7 technologies: 6 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 close.com compares
Symmetric diff between close.com and similar sites detected on DetectZeStack.
vs www.tribe.ai — 4 shared, 3 unique here, 4 unique there
Only on close.com: cdnjs, Let's Encrypt, Amplitude
Only on www.tribe.ai: Google Cloud, Google Font API, Google Hosted Libraries, HSTS
vs valleyathletics.co — 3 shared, 4 unique here, 4 unique there
Only on close.com: Amplitude, cdnjs, jsDelivr, Let's Encrypt
Only on valleyathletics.co: Elementor, Google Analytics, Google Cloud, PHP
vs vallee.ca — 3 shared, 4 unique here, 4 unique there
Only on close.com: jQuery, Amplitude, cdnjs, jsDelivr
Only on vallee.ca: All in One SEO, Google Tag Manager, Linkedin Ads, LiteSpeed
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Get Free API Key Chrome ExtensionWhat technologies does close.com use?
close.com uses 7 technologies across 5 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 close.com use?
close.com uses Cloudflare, cdnjs, jsDelivr for content delivery. CDN providers are identified through DNS CNAME records and HTTP response headers.
What analytics tools does close.com use?
close.com uses Amplitude for web analytics. These services are detected through JavaScript includes and tracking pixel patterns.
How is close.com's tech stack detected?
DetectZeStack identifies technologies on close.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.