BuiltWith vs SiteIntelica

BuiltWith profiles websites to help users research technology adoption, ecommerce activity, web usage trends, and potential sales leads. The platform says it tracks 127,671 web technologies and provides usage lists covering more than 370 million active domains, with over 18 years of usage history available through its plans. Users can find ecommerce websites and products, filter reports by category, region, or technology, and export results. Uploaded website lists can be analyzed, with report metadata and technology-use matrices exportable to Excel or CSV. Future Customers uses technology overlap to recommend potential leads. BuiltWith offers API access with XML and JSON feeds, browser extensions for Chrome, Firefox, and Edge, and CRM integrations including Salesforce, HubSpot, Pardot, Zoho CRM, Close.io, and Microsoft Dynamics 365. Individual website lookups are free; the Free plan permits 10 detailed lookups per day. Advanced costs $144 a year. Monthly plans have a one-month minimum and yearly plans a one-year minimum, and plans can be canceled at any time. The maker was founded in 2007 and is based in Sydney, Australia.

SiteIntelica is a web and API service for finding websites by their technology stacks and examining individual sites. Its X-Ray uses Wappalyzer Core to identify frameworks, content-management systems, CDNs, analytics tools, and advertising networks. Searches can find sites that use, or do not use, selected technologies, helping create prospect lists. Paid plans export matching results as CSV and can draft cold emails and sales briefs from scan data. Site monitoring covers technology changes, security regressions, and downtime, with email or webhook alerts. Site analysis includes security grades, CVE cross-referencing, Core Web Vitals, and on-page SEO audits. The REST API supports scans, contact extraction, lead searches, monitoring, and AI features, with limits set by plan. Documentation describes an MCP server for Claude or Cursor. The free plan provides five scans daily and previews five lead matches. Pro costs €19.00 per month; Business costs €49.00 per month.