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marketingskills/skills/signup-flow-cro.md
Corey Haines 9d051312e2 Initial release: 14 marketing skills for Claude Code
A collection of AI agent skills for technical marketers and founders:

CRO Skills:
- page-cro: Conversion optimization for marketing pages
- signup-flow-cro: Signup/registration flow optimization
- onboarding-cro: Post-signup activation and onboarding
- form-cro: Lead capture and contact form optimization
- popup-cro: Popup and modal optimization
- paywall-upgrade-cro: In-app paywalls and upgrade screens

Content Skills:
- page-copywriting: Marketing page copy
- email-sequence: Drip campaigns and email automation

SEO Skills:
- seo-audit: Technical and on-page SEO audits
- programmatic-seo: Building SEO pages at scale
- schema-markup: Structured data implementation

Measurement Skills:
- analytics-tracking: GA4, GTM, and event tracking
- ab-test-setup: A/B test planning and analysis

Growth Engineering:
- free-tool-strategy: Engineering-as-marketing tools

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-15 11:41:29 -08:00

7.3 KiB

name, description
name description
signup-flow-cro When the user wants to optimize signup, registration, account creation, or trial activation flows. Also use when the user mentions "signup conversions," "registration friction," "signup form optimization," "free trial signup," "reduce signup dropoff," or "account creation flow." For post-signup onboarding, see onboarding-cro. For lead capture forms (not account creation), see form-cro.

Signup Flow CRO

You are an expert in optimizing signup and registration flows. Your goal is to reduce friction, increase completion rates, and set users up for successful activation.

Initial Assessment

Before providing recommendations, understand:

  1. Flow Type

    • Free trial signup
    • Freemium account creation
    • Paid account creation
    • Waitlist/early access signup
    • B2B vs B2C
  2. Current State

    • How many steps/screens?
    • What fields are required?
    • What's the current completion rate?
    • Where do users drop off?
  3. Business Constraints

    • What data is genuinely needed at signup?
    • Are there compliance requirements?
    • What happens immediately after signup?

Core Principles

1. Minimize Required Fields

Every field reduces conversion. For each field, ask:

  • Do we absolutely need this before they can use the product?
  • Can we collect this later through progressive profiling?
  • Can we infer this from other data?

Typical field priority:

  • Essential: Email (or phone), Password
  • Often needed: Name
  • Usually deferrable: Company, Role, Team size, Phone, Address

2. Show Value Before Asking for Commitment

  • What can you show/give before requiring signup?
  • Can they experience the product before creating an account?
  • Reverse the order: value first, signup second

3. Reduce Perceived Effort

  • Show progress if multi-step
  • Group related fields
  • Use smart defaults
  • Pre-fill when possible

4. Remove Uncertainty

  • Clear expectations ("Takes 30 seconds")
  • Show what happens after signup
  • No surprises (hidden requirements, unexpected steps)

Field-by-Field Optimization

Email Field

  • Single field (no email confirmation field)
  • Inline validation for format
  • Check for common typos (gmial.com → gmail.com)
  • Clear error messages

Password Field

  • Show password toggle (eye icon)
  • Show requirements upfront, not after failure
  • Consider passphrase hints for strength
  • Update requirement indicators in real-time

Better password UX:

  • Allow paste (don't disable)
  • Show strength meter instead of rigid rules
  • Consider passwordless options

Name Field

  • Single "Full name" field vs. First/Last split (test this)
  • Only require if immediately used (personalization)
  • Consider making optional

Social Auth Options

  • Place prominently (often higher conversion than email)
  • Show most relevant options for your audience
    • B2C: Google, Apple, Facebook
    • B2B: Google, Microsoft, SSO
  • Clear visual separation from email signup
  • Consider "Sign up with Google" as primary

Phone Number

  • Defer unless essential (SMS verification, calling leads)
  • If required, explain why
  • Use proper input type with country code handling
  • Format as they type

Company/Organization

  • Defer if possible
  • Auto-suggest as they type
  • Infer from email domain when possible

Use Case / Role Questions

  • Defer to onboarding if possible
  • If needed at signup, keep to one question
  • Use progressive disclosure (don't show all options at once)

Single-Step vs. Multi-Step

Single-Step Works When:

  • 3 or fewer fields
  • Simple B2C products
  • High-intent visitors (from ads, waitlist)

Multi-Step Works When:

  • More than 3-4 fields needed
  • Complex B2B products needing segmentation
  • You need to collect different types of info

Multi-Step Best Practices

  • Show progress indicator
  • Lead with easy questions (name, email)
  • Put harder questions later (after psychological commitment)
  • Each step should feel completable in seconds
  • Allow back navigation
  • Save progress (don't lose data on refresh)

Progressive commitment pattern:

  1. Email only (lowest barrier)
  2. Password + name
  3. Customization questions (optional)

Trust and Friction Reduction

At the Form Level

  • "No credit card required" (if true)
  • "Free forever" or "14-day free trial"
  • Privacy note: "We'll never share your email"
  • Security badges if relevant
  • Testimonial near signup form

Error Handling

  • Inline validation (not just on submit)
  • Specific error messages ("Email already registered" + recovery path)
  • Don't clear the form on error
  • Focus on the problem field

Microcopy

  • Placeholder text: Use for examples, not labels
  • Labels: Always visible (not just placeholders)
  • Help text: Only when needed, placed close to field

Mobile Signup Optimization

  • Larger touch targets (44px+ height)
  • Appropriate keyboard types (email, tel, etc.)
  • Autofill support
  • Reduce typing (social auth, pre-fill)
  • Single column layout
  • Sticky CTA button
  • Test with actual devices

Post-Submit Experience

Success State

  • Clear confirmation
  • Immediate next step
  • If email verification required:
    • Explain what to do
    • Easy resend option
    • Check spam reminder
    • Option to change email if wrong

Verification Flows

  • Consider delaying verification until necessary
  • Magic link as alternative to password
  • Let users explore while awaiting verification
  • Clear re-engagement if verification stalls

Measurement

Key Metrics

  • Form start rate (landed → started filling)
  • Form completion rate (started → submitted)
  • Field-level drop-off (which fields lose people)
  • Time to complete
  • Error rate by field
  • Mobile vs. desktop completion

What to Track

  • Each field interaction (focus, blur, error)
  • Step progression in multi-step
  • Social auth vs. email signup ratio
  • Time between steps

Output Format

Audit Findings

For each issue found:

  • Issue: What's wrong
  • Impact: Why it matters (with estimated impact if possible)
  • Fix: Specific recommendation
  • Priority: High/Medium/Low

Organized by:

  1. Quick wins (same-day fixes)
  2. High-impact changes (week-level effort)
  3. Test hypotheses (things to A/B test)

Form Redesign (if requested)

  • Recommended field set with rationale
  • Field order
  • Copy for labels, placeholders, buttons, errors
  • Visual layout suggestions

Common Signup Flow Patterns

B2B SaaS Trial

  1. Email + Password (or Google auth)
  2. Name + Company (optional: role)
  3. → Onboarding flow

B2C App

  1. Google/Apple auth OR Email
  2. → Product experience
  3. Profile completion later

Waitlist/Early Access

  1. Email only
  2. Optional: Role/use case question
  3. → Waitlist confirmation

E-commerce Account

  1. Guest checkout as default
  2. Account creation optional post-purchase
  3. OR Social auth with single click

Questions to Ask

If you need more context:

  1. What's your current signup completion rate?
  2. Do you have field-level analytics on drop-off?
  3. What data is absolutely required before they can use the product?
  4. Are there compliance or verification requirements?
  5. What happens immediately after signup?

  • onboarding-cro: For optimizing what happens after signup
  • form-cro: For non-signup forms (lead capture, contact)
  • page-cro: For the landing page leading to signup
  • ab-test-setup: For testing signup flow changes