cro-funnel（克罗漏斗）

CRO Funnel Optimization

Source: This skill is adapted from AgentKits Marketing by AITYTech. Enterprise-grade AI marketing automation (MIT License).

Full-funnel Conversion Rate Optimization covering every stage from page visit to paid conversion:

Visitor → Page CRO → Form CRO → Signup CRO
     ↓
  Popup CRO (capture abandoners)
     ↓
New User → Onboarding CRO → Activation
     ↓
Free User → Paywall CRO → Paid Customer

1. Form CRO

Optimize lead capture forms, contact forms, demo requests, and quote forms (not signup/registration).

Core Principles

1. Every Field Has a Cost - Each field reduces completion by 10-25%
2. Value Must Exceed Effort - Clear value proposition above form
3. Reduce Cognitive Load - One question per field, logical grouping

The 5-Field Rule

For each field, ask:

• Is this absolutely necessary before we can help them?
• Can we get this information another way?
• Can we ask this later?

Field Optimization

Email: Single field, inline validation, typo detection

Name: Test single "Name" vs. First/Last split

Phone: Make optional if possible, explain why if required

Message: Make optional, expand on focus

Multi-Step Forms

Use when:

• More than 5-6 fields needed
• Logically distinct sections
• Conditional paths based on answers

Best practices:

• Progress indicator (step X of Y)
• Start with easy, end with sensitive
• Allow back navigation
• Save progress

Submit Button Copy

Weak: "Submit", "Send"

Strong: "[Action] + [What they get]"

• "Get My Free Quote"
• "Download the Guide"
• "Request Demo"

2. Signup Flow CRO

Optimize registration, account creation, and trial activation flows.

Core Principles

1. Minimize Required Fields - Email + Password minimum
2. Show Value Before Asking - Can they experience product first?
3. Reduce Perceived Effort - "Takes 30 seconds"

Field Priority

Social Auth Options

• B2C: Google, Apple, Facebook
• B2B: Google, Microsoft, SSO
• Consider "Sign up with Google" as primary

Single-Step vs. Multi-Step

Single-step works: 3 or fewer fields, simple B2C, high-intent visitors

Multi-step works: More than 3-4 fields, B2B needing segmentation

Progressive commitment pattern:

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

Trust Elements

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

3. Onboarding CRO

Optimize post-signup user activation and time-to-value.

Core Principles

1. Time-to-Value Is Everything - How quickly can someone experience core value?
2. One Goal Per Session - Don't teach everything at once
3. Do, Don't Show - Interactive > Tutorial
4. Progress Creates Motivation - Show advancement, celebrate completions

Define Your Aha Moment

The action that correlates most strongly with retention:

Onboarding Checklist Pattern

Best practices:

• 3-7 items (not overwhelming)
• Order by value (most impactful first)
• Start with quick wins
• Progress bar/completion %
• Celebration on completion

Example item:

☐ Connect your first data source (2 min)
  Get real-time insights from your existing tools
  [Connect Now]

Empty States

Empty states are onboarding opportunities:

• Explain what this area is for
• Show what it looks like with data
• Clear primary action to add first item
• Optional: Pre-populate with example data

Handling Stalled Users

1. Detection: Define "stalled" criteria (X days inactive)
2. Email sequence: Reminder of value, address blockers, offer help
3. In-app recovery: Welcome back message, pick up where left off
4. Human touch: Personal outreach for high-value accounts

4. Popup CRO

Optimize popups, modals, overlays, slide-ins, and banners.

Core Principles

1. Timing Is Everything - Too early = annoying, too late = missed opportunity
2. Value Must Be Obvious - Clear, immediate benefit
3. Respect the User - Easy to dismiss, remember preferences

Trigger Strategies

Popup Types

Email Capture: Newsletter subscription

• Clear value prop (not just "Subscribe")
• Single field (email only)
• Consider incentive

Lead Magnet: Exchange content for email

• Show what they get (cover image)
• Minimal fields

Exit Intent: Last-chance conversion

• Acknowledge they're leaving
• Different offer than entry popup

Announcement Banner: Site-wide communication

• Top of page, dismissable
• Time-limited

Headline Formulas

• Benefit: "Get [result] in [timeframe]"
• Question: "Want [desired outcome]?"
• Social proof: "Join [X] people who..."
• Curiosity: "The one thing [audience] always get wrong"

Decline Options

Good: "No thanks", "Maybe later"

Avoid: "No, I don't want to save money" (manipulative)

Frequency Rules

• Show maximum once per session
• Remember dismissals (7-30 days before showing again)
• Exclude converted users
• Exclude checkout/conversion flows

5. Paywall & Upgrade CRO

Optimize in-app paywalls, upgrade screens, and freemium conversion.

Core Principles

1. Value Before Ask - User should have experienced value first
2. Show, Don't Just Tell - Demonstrate the value of paid features
3. Friction-Free Path - Easy to upgrade when ready
4. Respect the No - Don't trap or pressure

Paywall Trigger Points

Paywall Screen Components

1. Headline: Focus on benefit, not price

- "Unlock [Feature] to [Benefit]" - NOT: "Upgrade to Pro for $X/month"

1. Value Demonstration: Preview the feature in action
2. Social Proof: "X teams use this feature"
3. CTA: "Upgrade to Pro" (specific)
4. Escape Hatch: "Continue with Free" (respectful)

Feature Lock Paywall Template

[Lock Icon]
This feature is available on Pro

[Feature preview/screenshot]

[Feature name] helps you [benefit]:
• [Specific capability]
• [Specific capability]

[Upgrade to Pro - $X/mo]
[Maybe Later]

Trial Expiration Template

Your trial ends in 3 days

What you'll lose:
• [Feature they've used]
• [Data they've created]

What you've accomplished:
• Created X projects

[Continue with Pro - $X/mo]
[Remind me later] [Downgrade to Free]

Anti-Patterns to Avoid

• Hiding the close button
• Confusing plan selection
• Guilt-trip copy
• Asking before value delivered
• Too frequent prompts
• Surprise charges

Quick Reference: CRO by Funnel Stage

Measurement

Key Metrics by Stage

• Form start rate: Page views → Started form
• Completion rate: Started → Submitted
• Field drop-off: Which fields lose people
• Activation rate: % reaching aha moment
• Time to activation: Days to first value
• Upgrade rate: Free → Paid conversion

Credits & Attribution

This skill is based on the excellent work by AITYTech.

Original repository: https://github.com/aitytech/agentkits-marketing

Special thanks to AITYTech for their generous open-source contributions, which helped shape this skill collection. Adapted by webconsulting.at for this skill collection