Form length, SSO, OTP, email verification. Find the exact signup step where new users drop before they ever see the product.
A long form, an SSO detour, an OTP that never arrives: any one of them quietly loses users before activation. Aggregate signup-completion rates tell you it happened; they never tell you which step did it, or which segment it hit hardest.
Point Presume at your staging signup URL and describe your ICP.
Persona-driven browser agents attempt signup on the live flow, filling fields, hitting SSO, waiting on OTP, abandoning where a real user would.
You get a per-step drop-off funnel that names the exact step each cohort drops, the why, and dissent across ICP segments.
Shorten or reorder the failing step, re-run, and confirm signup completion climbs.
Point Presume at a staging flow like this:
See the exact step that loses first-time users, the why, and the rewrite that recovers them. Before you ship the form.