signup-flow-crolisted

# Signup Flow CRO Production-grade signup and registration optimization framework covering authentication strategy, field reduction methodology, multi-step flow architecture, SSO implementation, progressive profiling, credit card requirement analysis, post-submit experience design, and mobile-specific registration patterns. For post-signup onboarding, use onboarding-cro. For lead capture forms (not account creation), use form-cro. --- ## Table of Contents - [Initial Assessment](#initial-assessment) - [Authentication Strategy](#authentication-strategy) - [Field Reduction Methodology](#field-reduction-methodology) - [Multi-Step Flow Architecture](#multi-step-flow-architecture) - [Credit Card Requirement Analysis](#credit-card-requirement-analysis) - [Post-Submit Experience](#post-submit-experience) - [Mobile Signup Optimization](#mobile-signup-optimization) - [Signup Flow Patterns by Product Type](#signup-flow-patterns-by-product-type) - [Progressive Profiling](#progressive-profiling) - [Error and Edge Case Handling](#error-and-edge-case-handling) - [A/B Test Framework](#ab-test-framework) - [Metrics and Benchmarks](#metrics-and-benchmarks) - [Output Artifacts](#output-artifacts) - [Related Skills](#related-skills) --- ## Initial Assessment ### Required Context | Question | Why It Matters | |----------|---------------| | Flow type? (free trial, freemium, paid, waitlist) | Determines friction tolerance | | B2B or B2C? | B2B tolerates more fields, B2C needs minimal fricti