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Answers to the most common questions about Ful.io — from pricing and the browser extension to data, privacy, and support. Browse by category or search below.
General Information
6 questionsFul.io is a technology intelligence platform that helps businesses identify, analyze, and track the technology stack of any website. From individual lookups to bulk technology reports covering millions of websites, Ful.io gives you actionable data for sales, marketing, and research.
A technology lookup scans a single website and shows its full technology stack. A technology report works the other way around: you pick a technology and get a list of every website using it. Lookups are ideal for researching one company; reports are built for lead lists and market sizing.
Ful.io is built for sales teams, marketers, developers, and researchers who need to understand which technologies companies use. It is useful for prospecting, competitive analysis, market research, and partner discovery.
Yes. Ful.io offers a free plan that includes 25 technology lookup credits per month. Paid plans unlock additional credits, bulk technology reports, and API access.
No. Ful.io runs entirely in your browser — just search a domain to get results. We also offer an optional Chrome extension and a REST API for teams that want lookups inside their own workflow.
Yes. Our Technology Reports feature lets you search any technology and get a downloadable list of all websites using it. This is useful for market research, lead targeting, and competitive analysis.
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