BuiltWith
Med Trafficbuiltwith.com
Overview
BuiltWith is a web technology profiler that scans websites and reveals the software, analytics, hosting, and e-commerce tools they use. It tracks over 127,000 technologies across 26 million+ active websites, offering lead generation, market intelligence, and competitive analysis tools. The platform serves sales teams, marketers, investors, and analysts who want to understand technology adoption trends.
By the Numbers
Founders
Gary Brewer built BuiltWith largely as a solo founder and bootstrapped operation, growing it into a profitable intelligence platform without outside investment. He is based in Australia and has run the company for nearly two decades.
BuiltWith is one of the rare profitable, bootstrapped SaaS businesses run almost entirely by its founder with a tiny team, generating significant revenue with minimal staff.
Funding
Competitors
Open-source roots, browser extension focus, acquired by Onfido; less comprehensive historical data
Focuses on technology adoption trends and competitor discovery with a slightly different dataset
Acquired by ZoomInfo; integrated into broader sales intelligence platform rather than standalone tool
Broader web analytics and traffic intelligence rather than purely technology stack profiling
Focuses on SEO and PPC competitive intelligence rather than technology stack detection
Revenue & Model
Hiring Signals
Tech Stack
Notable Customers
Web Presence
Verified from public records — not AI-estimated.
Trackers & Analytics
No tracking or analytics services detected on the homepage.
Scanned from the HTML builtwith.comserves — scripts a tag manager injects later won't appear here.
How They're Doing
BuiltWith continues to operate as a highly profitable bootstrapped business with a strong niche in web technology intelligence. The platform has expanded its dataset significantly, now tracking 127,000+ technologies and 2 billion+ e-commerce products, and has added AI-adoption tracking tools. With a Tranco rank of ~15,916 and 4,600+ HackerNews mentions, it maintains strong brand recognition among developers and sales professionals.
●Expanded tracking to 127,000+ technologies and 26 million+ active websites
●Added AI-adoption tracking and AI-ready data export tools for modern sales workflows
Prognosis
BuiltWith is well-positioned as a niche data provider in an era where tech-stack intelligence drives B2B sales and marketing. The rise of AI-powered sales tools and CRM integrations creates new demand for its underlying data. However, competition from well-funded players and the risk of data commoditization remain ongoing concerns.
●Growing demand for AI-adoption tracking as enterprises monitor competitor AI tool usage
●CRM and sales intelligence platform integrations (Salesforce, HubSpot) expanding the addressable market
●Increased investor/analyst appetite for technology trend data and market share analytics
●Expansion of e-commerce product tracking (2B+ products) as a differentiator for retail intelligence
●Well-funded competitors like ZoomInfo/Datanyze and SimilarWeb with larger sales teams
●Potential commoditization of technology detection via open-source tools like Wappalyzer
●Single-founder dependency risk given the lean team structure
●Website privacy changes and bot detection improvements could limit crawling capabilities
Recent News
BuiltWith adds AI-adoption tracking tools to monitor enterprise AI software usage across websites
BuiltWith Blog
Platform expands e-commerce product tracking to over 2 billion products across 26 million sites
BuiltWith
BuiltWith promotes API and CRM integration capabilities targeting Salesforce and HubSpot users
BuiltWith Blog
BuiltWith crosses 127,000 tracked technologies milestone, expanding coverage of modern web stack tools
BuiltWith
Controversies
Some users raised concerns about BuiltWith's data collection practices and whether scraping third-party websites at scale complied with terms of service and emerging privacy regulations like GDPR.
Fun Facts
- 01BuiltWith is one of the most successful solo-founder bootstrapped SaaS companies in Australia, generating millions in revenue with fewer than 20 employees.
- 02The platform has been collecting technology adoption data since before modern cloud computing existed, giving it a unique 20-year historical archive no competitor can replicate.
- 03Despite being a relatively obscure tool to the general public, BuiltWith has accumulated over 4,600 mentions on Hacker News, making it a cult favorite among developers and growth hackers.
Timeline
Launches AI-adoption tracking tools and AI-ready data exports; reaches 2 billion+ e-commerce products tracked
Crosses 127,000 technologies tracked and 26 million active sites monitored
Expands e-commerce product tracking to over 1 billion products
Surpasses 100,000 tracked technologies; strengthens historical trend archive to 10+ years
Rolls out detailed e-commerce intelligence tracking Shopify, Magento, and WooCommerce adoption
Expands to tracking tens of thousands of technologies and introduces API access for enterprise customers
Launches lead generation and CRM export features, pivoting toward B2B sales use cases
Platform gains traction among developers curious about competitor technology stacks
Gary Brewer founds BuiltWith and registers the domain; launches as a simple web technology detection tool