Question 1

What hosting does a website use?

Accepted Answer

Enter any domain to instantly detect hosting provider (Cloudflare, Vercel, Netlify, AWS...), web framework (Next.js, WordPress, Shopify...), analytics tools and AI-related signals.

Question 2

Is this AI tool built with OpenAI or Anthropic?

Accepted Answer

AI Stack Intelligence scans pages for AI signals including OpenAI API, Anthropic/Claude, LangChain, Pinecone, HuggingFace and common AI chat widgets.

Question 3

Is the free lookup really free?

Accepted Answer

Yes. Individual site lookups are free forever. Paid plans unlock list exports, API access and change monitoring.

What tech stack is any website built on?

Tech Stack ·

Hosting / CDN

Framework

AI Signals

Analytics & Auth

Docs Platform

HTTP Profile

Deep: Jobs & Hiring Signals