Form Builders & Surveys

FormKeep Stack Detection

Official Website

Form backend service for Jamstack sites, static HTML, and mobile apps.

Detection Heuristics & Signature Markers

Our engine inspects multiple observable layers to identify FormKeep with verified confidence:

DOM Structural Indicators: Matches distinctive HTML attributes, class naming patterns, or inline initialization variables.

Evidence Limitations & Security Hardening

Production websites frequently implement security hardening to suppress response headers (like Server or X-Powered-By) or minify script bundles. While this may reduce confidence to Medium or require deep DOM inspection, it does not prevent our multi-vector engine from identifying underlying patterns.

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