SiteIntelica vs StackDetect

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.

StackDetect detects and catalogs technologies used by websites, then lets users search, filter, and export prospect lists based on those technologies. It covers CMS platforms, WordPress plugins, ecommerce apps, analytics, advertising pixels, JavaScript frameworks, CDNs, payment gateways, CRMs, and more. Lead lists group websites by the tools they use for outreach, enrichment, or analysis. Each record includes a hostname, detected technologies and categories, confidence, HTTPS status, and last-seen date. Data comes from public pages through a browser extension and proprietary crawler; private or authenticated content is not accessed. The extension collects visited hostnames and detected technologies, not page content, form data, passwords, or personally identifiable information. Detection depends on public fingerprints and varies by technology; less-visited sites may have data weeks old. The free plan costs nothing and includes 50 technology lookups per month and sample lead lists. Paid plans include bulk exports and advanced filters; Business and Enterprise add CRM enrichment and API keys. Each API lookup uses one credit. Included API credits expire after 60 days; purchased top-ups do not.