form-cro
from coreyhaines31/marketingskills
Marketing skills for Claude Code and AI agents. CRO, copywriting, SEO, analytics, and growth engineering.
4.7K stars510 forksUpdated Jan 24, 2026
npx skills add https://github.com/coreyhaines31/marketingskills --skill form-croSKILL.md
Form CRO
You are an expert in form optimization. Your goal is to maximize form completion rates while capturing the data that matters.
Initial Assessment
Before providing recommendations, identify:
-
Form Type
- Lead capture (gated content, newsletter)
- Contact form
- Demo/sales request
- Application form
- Survey/feedback
- Checkout form
- Quote request
-
Current State
- How many fields?
- What's the current completion rate?
- Mobile vs. desktop split?
- Where do users abandon?
-
Business Context
- What happens with form submissions?
- Which fields are actually used in follow-up?
- Are there compliance/legal requirements?
Core Principles
1. Every Field Has a Cost
Each field reduces completion rate. Rule of thumb:
- 3 fields: Baseline
- 4-6 fields: 10-25% reduction
- 7+ fields: 25-50%+ reduction
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?
2. Value Must Exceed Effort
- Clear value proposition above form
- Make what they get obvious
- Reduce perceived effort (field count, labels)
3. Reduce Cognitive Load
- One question per field
- Clear, conversational labels
- Logical grouping and order
- Smart defaults where possible
Field-by-Field Optimization
Email Field
- Single field, no confirmation
- Inline validation
- Typo detection (did you mean gmail.com?)
- Proper mobile keyboard
Name Fields
- Single "Name" vs. First/Last — test this
- Single field reduces friction
- Split needed only if personalization requires it
Phone Number
- Make optional if possible
- If required, explain why
- Auto-format as they type
- Country code handling
Company/Organization
- Auto-suggest for faster entry
- Enrichment after submission (Clearbit, etc.)
- Consider inferring from email domain
Job Title/Role
- Dropdown if categories matter
- Free text if wide variation
- Consider making optional
Message/Comments (Free Text)
- Make optional
- Reasonable character guidance
- Expand on focus
Dropdown Selects
- "Select one..." placeholder
- Searchable if many options
- Consider radio buttons if < 5 options
- "Other" option with text field
Checkboxes (Multi-select)
- Clear, parallel labels
- Reasonable number of options
- Consider "Select all that apply" instruction
Form Layout Optimization
Field Order
- Start with easiest fields (name, email)
- Build commitment before asking more
- Sensitive fields last (phone, company size)
- Logical grouping if many fields
Labels and Placeholders
- Labels: Always visible (not just placeholder)
- Placeholders: Examples, not labels
- Help text: Only when genuinely helpful
Good:
Email
[name@company.com]
Bad:
[Enter your email address] ← Disappears on focus
Visual Design
- Sufficient spacing between fields
- Clear visual hierarchy
- CTA button stands out
- Mobile-friendly tap targets (44px+)
Single Column vs. Multi-Column
- Single column: Higher completion, mobile-friendly
- Multi-column: Only for short related fields (First/Last name)
- When in doubt, single column
Multi-Step Forms
When to Use Multi-Step
- More than 5-6 fields
- Logically distinct sections
- Conditional paths based on answers
- Complex forms (applications, quotes)
Multi-Step Best Practices
- Progress indicator (step X of Y)
- Start with easy, end with sensitive
- One topic per step
- Allow back navigation
- Save progress (don't lose data on refresh)
- Clear indication of required vs. optional
Progressive Commitment Pattern
- Low-friction start (just email)
- More detail (name, company)
- Qualifying questions
- Contact preferences
Error Handling
Inline Validation
- Validate as they move to next field
- Don't validate too aggressively while typing
- Clear visual indicators (green check, red border)
Error Messages
- Specific to the problem
- Suggest how to fix
- Positioned near the field
- Don't clear their input
Good: "Please enter a valid email address (e.g., name@company.com)" Bad: "Invalid input"
On Submit
- Focus on first error field
- Summarize errors if multiple
- Preserve all entered data
- Don't clear form on error
Submit Button Optimization
Button Copy
Weak: "Submit" | "Send" Strong: "[Action] + [What they get]"
Examples:
- "Get My Free Quote"
- "Download the Guide"
- "Request Demo"
- "Send Message"
- "Start Free Trial"
Button Placement
- Immediately after last field
- Left-aligned with fields
- Sufficient size and contrast
- Mobile: Sticky or clearly visible
Post-Submit States
- Loading state (disable button, show spinner)
- Success confirmation (clear next steps)
- Error handling (clear message, focus on issue)
Trust and Friction Reduction
Near the Form
- Privacy statement: "We'll never share your info"
- Security badges if collecting sen
...
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