BuiltWith
Technology profiling and competitive intelligence platform that identifies technologies used by websites, provides market share statistics, and offers lead generation datasets for sales and marketing teams.
The problem it solves: Discover exactly which technologies, analytics, and ad platforms any competitor's website runs on before you pitch or build.
Our verdict: BuiltWith instead of SimilarWeb?
Switch if: Sales, lead-generation, and technology-vendor teams who need to know exactly what technology stack any website runs and to build prospect lists filtered by technology usage.
Don’t switch if: Anyone wanting traffic estimates, keyword, ad, or audience data — BuiltWith answers 'what is this site built with,' not 'how popular is it or where does its traffic come from,' so it is a complement to SimilarWeb rather than a replacement.
Biggest caveat: Paid plans jump straight from a limited free lookup to $295/month (billed annually for the listed rates), and users report technology-detection accuracy around 80% with large CSV exports that need heavy manual cleanup and no bundled contact data.
Pricing Facts
Monthly (Basic), cancel anytime
Single-site technology lookups free forever, unlimited; exports & lead lists paid
Price verified against official pricing page, 2026-07-11
Ratings Across the Web
Scores from public review platforms, checked 2026-07-12. We don't rate tools ourselves.
Does it replace SimilarWeb?
BuiltWith measured against the six things people actually use SimilarWeb for.
Features & Capabilities
Available Features
Pros & Cons
Pros
Cons
Best Use Cases
Target Audience
What Real Users Complain About
Negative feedback found on public platforms — because every tool has trade-offs, and vendors won't show you these.
“BuiltWith was terrible. Out of 40,000 leads, I ended up being routed through Apollo and only got 400 verified.”
“I've been trying to create and pay for an account on builtwith for weeks and it's impossible - there is an ID verification that never got through and support is unresponsive.”
“BuiltWith gives you lists of companies using specific tech, but it doesn't give you contact data.”
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