Tool · Free lookup, instant per-site scan

BuiltWith Technology Lookup

BuiltWith Freemium Beginner

When a competitor shares no numbers, their own website still leaks signal, and BuiltWith reads it for you. Paste a private rival's domain and you see their payment processor, analytics, email tool, hosting, ecommerce platform, and ad tech, all without asking them anything. It is the fastest way to turn a competitor you know nothing about into a concrete list of the tools they actually pay for.

  • A competitor's public website exposes their real tech stack (payments, analytics, CRM, hosting), a signal you can read without their cooperation.
  • The free single-site lookup is enough to start: the paid lists and history matter only if you want to track many rivals over time.
  • Tech choices hint at strategy, so a switch to a heavier ecommerce platform or a new analytics tool tells you where a private competitor is investing.
Open on builtwith.com ↗

The question it answers

  1. How do I do competitive research when my competitors are private and share almost no public numbers?

Read with it

  1. A private competitor that hides its numbers still has to post honest job descriptions to hire, and this piece walks through... Intervue Article · About a 10 minute read Competitor Hiring Analysis: How Job Postings Reveal Market Strategy Sugandha Srivastava
  2. The strongest way to research a private competitor is to talk to the people who left them, and this essay grounds that tactic... Product Talk Essay · About a 12 minute read Ask Teresa: How Do You Select Customers for Customer Interviews? Teresa Torres
eChai Partner Brands The partnership →