firstsales.io Tech Stack
Live first-party scan of firstsales.io's tech stack. 9 technologies detected across 8 categories, via Wappalyzer fingerprinting + DNS CNAME + TLS certificate inspection.
Infrastructure Layer
Google Cloud
CDN
Cloudflare
Cloud hosting
Google Cloud
JavaScript frameworks
Next.js
React
Miscellaneous
HTTP/3
Webpack
Programming languages
Node.js
Security
HSTS
Tag managers
Google Tag Manager
Web frameworks
Next.js
Compare firstsales.io's Stack
How was this detected?
For firstsales.io, DetectZeStack identified 9 technologies: 8 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 firstsales.io compares
Symmetric diff between firstsales.io and similar sites detected on DetectZeStack.
vs www.getleadsforge.ai — 5 shared, 4 unique here, 4 unique there
Only on firstsales.io: Webpack, Next.js, React, Node.js
Only on www.getleadsforge.ai: Google Font API, jQuery, jsDelivr, Google Hosted Libraries
vs numlookupapi.com — 4 shared, 4 unique here, 4 unique there
Only on firstsales.io: Node.js, Webpack, Next.js, React
Only on numlookupapi.com: Cloudflare Browser Insights, Hugo, Typekit, Adobe Fonts
vs linkupapi.com — 4 shared, 4 unique here, 4 unique there
Only on firstsales.io: Webpack, Next.js, React, Google Tag Manager
Only on linkupapi.com: Unpkg, jQuery, Quicklink, Rewardful
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firstsales.io uses 9 technologies across 8 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 firstsales.io use?
firstsales.io uses Cloudflare for content delivery. CDN providers are identified through DNS CNAME records and HTTP response headers.
What JavaScript framework does firstsales.io use?
firstsales.io uses Next.js, React. JavaScript frameworks are detected through script analysis and HTML markup patterns.
What web framework does firstsales.io use?
firstsales.io is built with Next.js. Framework detection relies on HTTP header fingerprints and HTML source analysis.
How is firstsales.io's tech stack detected?
DetectZeStack identifies technologies on firstsales.io 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.