How good is BuiltWith?

BuiltWith has a Lunoo score of 8.9/10. This score is based on AI-powered analysis of category fit, feature coverage, pricing signals, public reception, and recency.

Is BuiltWith worth it in 2026?

BuiltWith scores 8.9/10 in the Website Technology Profiler category on Lunoo. Compare it with alternatives to find the best fit for your needs.

What are the best alternatives to BuiltWith?

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How does BuiltWith compare to competitors?

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BuiltWith

8.87

Great

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description BuiltWith Overview

BuiltWith is a technology profiling tool that identifies the technologies used on websites by collecting data through browser extensions and analyzing website source code, providing insights into hosting providers, CMS platforms, and third-party integrations.

help BuiltWith FAQ

How does BuiltWith find out what technologies a website uses?

BuiltWith identifies web technologies by analyzing website source code, headers, and looking for specific scripts and meta tags. It collects this data through web crawlers and browser extensions to deduce a site's hosting provider, CMS platform, and third-party integrations.

Is there a free BuiltWith extension for Google Chrome?

Yes, BuiltWith offers a free official Chrome extension that allows you to instantly view the tech stack of any website you visit. It provides a quick overview of everything from the JavaScript libraries to the underlying server infrastructure.

What is the difference between BuiltWith Pro and the free version?

While the free tool shows basic technology usage, BuiltWith Pro offers advanced lead generation, technology adoption trends, and company contact details. The Pro tier is heavily used by B2B sales teams to find websites using specific competitors' software.

Can BuiltWith detect what CDN or web host a site is using?

Yes, BuiltWith is highly accurate at detecting Content Delivery Networks (CDNs) and hosting providers by analyzing a domain's DNS and SSL certificates. It can easily tell you if a site is hosted on AWS, uses Cloudflare, or relies on WordPress hosting.

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