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
Check for product marketing context first:
If .agents/product-marketing-context.md exists (or .claude/product-marketing-context.md in older setups), read it before asking questions. Use that context and only ask for information not already covered or specific to this task.
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: Keep visible (not just placeholder) — placeholders disappear when typing, leaving users unsure what they're filling in
- 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 sensitive data
- Testimonial or social proof
- Expected response time
Reducing Perceived Effort
- "Takes 30 seconds"
- Field count indicator
- Remove visual clutter
- Generous white space
Addressing Objections
- "No spam, unsubscribe anytime"
- "We won't share your number"
- "No credit card required"
Form Types: Specific Guidance
Lead Capture (Gated Content)
- Minimum viable fields (often just email)
- Clear value proposition for what they get
- Consider asking enrichment questions post-download
- Test email-only vs. email + name
Contact Form
- Essential: Email/Name + Message
- Phone optional
- Set response time expectations
- Offer alternatives (chat, phone)
Demo Request
- Name, Email, Company required
- Phone: Optional with "preferred contact" choice
- Use case/goal question helps personalize
- Calendar embed can increase show rate
Quote/Estimate Request
- Multi-step often works well
- Start with easy questions
- Technical details later
- Save progress for complex forms
Survey Forms
- Progress bar essential
- One question per screen for engagement
- Skip logic for relevance
- Consider incentive for completion
Mobile Optimization
- Larger touch targets (44px minimum height)
- Appropriate keyboard types (email, tel, number)
- Autofill support
- Single column only
- Sticky submit button
- Minimal typing (dropdowns, buttons)
Measurement
Key Metrics
- Form start rate: Page views → Started form
- Completion rate: Started → Submitted
- Field drop-off: Which fields lose people
- Error rate: By field
- Time to complete: Total and by field
- Mobile vs. desktop: Completion by device
What to Track
- Form views
- First field focus
- Each field completion
- Errors by field
- Submit attempts
- Successful submissions
Output Format
Form Audit
For each issue:
- Issue: What's wrong
- Impact: Estimated effect on conversions
- Fix: Specific recommendation
- Priority: High/Medium/Low
Recommended Form Design
- Required fields: Justified list
- Optional fields: With rationale
- Field order: Recommended sequence
- Copy: Labels, placeholders, button
- Error messages: For each field
- Layout: Visual guidance
Test Hypotheses
Ideas to A/B test with expected outcomes
Experiment Ideas
Form Structure Experiments
Layout & Flow
- Single-step form vs. multi-step with progress bar
- 1-column vs. 2-column field layout
- Form embedded on page vs. separate page
- Vertical vs. horizontal field alignment
- Form above fold vs. after content
Field Optimization
- Reduce to minimum viable fields
- Add or remove phone number field
- Add or remove company/organization field
- Test required vs. optional field balance
- Use field enrichment to auto-fill known data
- Hide fields for returning/known visitors
Smart Forms
- Add real-time validation for emails and phone numbers
- Progressive profiling (ask more over time)
- Conditional fields based on earlier answers
- Auto-suggest for company names
Copy & Design Experiments
Labels & Microcopy
- Test field label clarity and length
- Placeholder text optimization
- Help text: show vs. hide vs. on-hover
- Error message tone (friendly vs. direct)
CTAs & Buttons
- Button text variations ("Submit" vs. "Get My Quote" vs. specific action)
- Button color and size testing
- Button placement relative to fields
Trust Elements
- Add privacy assurance near form
- Show trust badges next to submit
- Add testimonial near form
- Display expected response time
Form Type-Specific Experiments
Demo Request Forms
- Test with/without phone number requirement
- Add "preferred contact method" choice
- Include "What's your biggest challenge?" question
- Test calendar embed vs. form submission
Lead Capture Forms
- Email-only vs. email + name
- Test value proposition messaging above form
- Gated vs. ungated content strategies
- Post-submission enrichment questions
Contact Forms
- Add department/topic routing dropdown
- Test with/without message field requirement
- Show alternative contact methods (chat, phone)
- Expected response time messaging
Mobile & UX Experiments
- Larger touch targets for mobile
- Test appropriate keyboard types by field
- Sticky submit button on mobile
- Auto-focus first field on page load
- Test form container styling (card vs. minimal)
Task-Specific Questions
- What's your current form completion rate?
- Do you have field-level analytics?
- What happens with the data after submission?
- Which fields are actually used in follow-up?
- Are there compliance/legal requirements?
- What's the mobile vs. desktop split?
Related Skills
- signup-flow-cro: For account creation forms
- popup-cro: For forms inside popups/modals
- page-cro: For the page containing the form
- ab-test-setup: For testing form changes
1---2name: form-cro-23description: When the user wants to optimize any form that is NOT signup/registration — including lead capture forms, contact forms, demo request forms, application forms, survey forms, or checkout forms. Also use when the user mentions "form optimization," "lead form conversions," "form friction," "form fiel...4license: MIT5---6# Form CRO
7
8You are an expert in form optimization. Your goal is to maximize form completion rates while capturing the data that matters.
9
10## Initial Assessment
11
12**Check for product marketing context first:**
13If `.agents/product-marketing-context.md` exists (or `.claude/product-marketing-context.md` in older setups), read it before asking questions. Use that context and only ask for information not already covered or specific to this task.
14
15Before providing recommendations, identify:
16
171. **Form Type**
18 - Lead capture (gated content, newsletter)
19 - Contact form
20 - Demo/sales request
21 - Application form
22 - Survey/feedback
23 - Checkout form
24 - Quote request
25
262. **Current State**
27 - How many fields?
28 - What's the current completion rate?
29 - Mobile vs. desktop split?
30 - Where do users abandon?
31
323. **Business Context**
33 - What happens with form submissions?
34 - Which fields are actually used in follow-up?
35 - Are there compliance/legal requirements?
36
37---
38
39## Core Principles
40
41### 1. Every Field Has a Cost
42Each field reduces completion rate. Rule of thumb:
43- 3 fields: Baseline
44- 4-6 fields: 10-25% reduction
45- 7+ fields: 25-50%+ reduction
46
47For each field, ask:
48- Is this absolutely necessary before we can help them?
49- Can we get this information another way?
50- Can we ask this later?
51
52### 2. Value Must Exceed Effort
53- Clear value proposition above form
54- Make what they get obvious
55- Reduce perceived effort (field count, labels)
56
57### 3. Reduce Cognitive Load
58- One question per field
59- Clear, conversational labels
60- Logical grouping and order
61- Smart defaults where possible
62
63---
64
65## Field-by-Field Optimization
66
67### Email Field
68- Single field, no confirmation
69- Inline validation
70- Typo detection (did you mean gmail.com?)
71- Proper mobile keyboard
72
73### Name Fields
74- Single "Name" vs. First/Last — test this
75- Single field reduces friction
76- Split needed only if personalization requires it
77
78### Phone Number
79- Make optional if possible
80- If required, explain why
81- Auto-format as they type
82- Country code handling
83
84### Company/Organization
85- Auto-suggest for faster entry
86- Enrichment after submission (Clearbit, etc.)
87- Consider inferring from email domain
88
89### Job Title/Role
90- Dropdown if categories matter
91- Free text if wide variation
92- Consider making optional
93
94### Message/Comments (Free Text)
95- Make optional
96- Reasonable character guidance
97- Expand on focus
98
99### Dropdown Selects
100- "Select one..." placeholder
101- Searchable if many options
102- Consider radio buttons if < 5 options
103- "Other" option with text field
104
105### Checkboxes (Multi-select)
106- Clear, parallel labels
107- Reasonable number of options
108- Consider "Select all that apply" instruction
109
110---
111
112## Form Layout Optimization
113
114### Field Order
1151. Start with easiest fields (name, email)
1162. Build commitment before asking more
1173. Sensitive fields last (phone, company size)
1184. Logical grouping if many fields
119
120### Labels and Placeholders
121- Labels: Keep visible (not just placeholder) — placeholders disappear when typing, leaving users unsure what they're filling in
122- Placeholders: Examples, not labels
123- Help text: Only when genuinely helpful
124
125**Good:**
126```
127Email
128[name@company.com]
129```
130
131**Bad:**
132```
133[Enter your email address] ← Disappears on focus
134```
135
136### Visual Design
137- Sufficient spacing between fields
138- Clear visual hierarchy
139- CTA button stands out
140- Mobile-friendly tap targets (44px+)
141
142### Single Column vs. Multi-Column
143- Single column: Higher completion, mobile-friendly
144- Multi-column: Only for short related fields (First/Last name)
145- When in doubt, single column
146
147---
148
149## Multi-Step Forms
150
151### When to Use Multi-Step
152- More than 5-6 fields
153- Logically distinct sections
154- Conditional paths based on answers
155- Complex forms (applications, quotes)
156
157### Multi-Step Best Practices
158- Progress indicator (step X of Y)
159- Start with easy, end with sensitive
160- One topic per step
161- Allow back navigation
162- Save progress (don't lose data on refresh)
163- Clear indication of required vs. optional
164
165### Progressive Commitment Pattern
1661. Low-friction start (just email)
1672. More detail (name, company)
1683. Qualifying questions
1694. Contact preferences
170
171---
172
173## Error Handling
174
175### Inline Validation
176- Validate as they move to next field
177- Don't validate too aggressively while typing
178- Clear visual indicators (green check, red border)
179
180### Error Messages
181- Specific to the problem
182- Suggest how to fix
183- Positioned near the field
184- Don't clear their input
185
186**Good:** "Please enter a valid email address (e.g., name@company.com)"
187**Bad:** "Invalid input"
188
189### On Submit
190- Focus on first error field
191- Summarize errors if multiple
192- Preserve all entered data
193- Don't clear form on error
194
195---
196
197## Submit Button Optimization
198
199### Button Copy
200Weak: "Submit" | "Send"
201Strong: "[Action] + [What they get]"
202
203Examples:
204- "Get My Free Quote"
205- "Download the Guide"
206- "Request Demo"
207- "Send Message"
208- "Start Free Trial"
209
210### Button Placement
211- Immediately after last field
212- Left-aligned with fields
213- Sufficient size and contrast
214- Mobile: Sticky or clearly visible
215
216### Post-Submit States
217- Loading state (disable button, show spinner)
218- Success confirmation (clear next steps)
219- Error handling (clear message, focus on issue)
220
221---
222
223## Trust and Friction Reduction
224
225### Near the Form
226- Privacy statement: "We'll never share your info"
227- Security badges if collecting sensitive data
228- Testimonial or social proof
229- Expected response time
230
231### Reducing Perceived Effort
232- "Takes 30 seconds"
233- Field count indicator
234- Remove visual clutter
235- Generous white space
236
237### Addressing Objections
238- "No spam, unsubscribe anytime"
239- "We won't share your number"
240- "No credit card required"
241
242---
243
244## Form Types: Specific Guidance
245
246### Lead Capture (Gated Content)
247- Minimum viable fields (often just email)
248- Clear value proposition for what they get
249- Consider asking enrichment questions post-download
250- Test email-only vs. email + name
251
252### Contact Form
253- Essential: Email/Name + Message
254- Phone optional
255- Set response time expectations
256- Offer alternatives (chat, phone)
257
258### Demo Request
259- Name, Email, Company required
260- Phone: Optional with "preferred contact" choice
261- Use case/goal question helps personalize
262- Calendar embed can increase show rate
263
264### Quote/Estimate Request
265- Multi-step often works well
266- Start with easy questions
267- Technical details later
268- Save progress for complex forms
269
270### Survey Forms
271- Progress bar essential
272- One question per screen for engagement
273- Skip logic for relevance
274- Consider incentive for completion
275
276---
277
278## Mobile Optimization
279
280- Larger touch targets (44px minimum height)
281- Appropriate keyboard types (email, tel, number)
282- Autofill support
283- Single column only
284- Sticky submit button
285- Minimal typing (dropdowns, buttons)
286
287---
288
289## Measurement
290
291### Key Metrics
292- **Form start rate**: Page views → Started form
293- **Completion rate**: Started → Submitted
294- **Field drop-off**: Which fields lose people
295- **Error rate**: By field
296- **Time to complete**: Total and by field
297- **Mobile vs. desktop**: Completion by device
298
299### What to Track
300- Form views
301- First field focus
302- Each field completion
303- Errors by field
304- Submit attempts
305- Successful submissions
306
307---
308
309## Output Format
310
311### Form Audit
312For each issue:
313- **Issue**: What's wrong
314- **Impact**: Estimated effect on conversions
315- **Fix**: Specific recommendation
316- **Priority**: High/Medium/Low
317
318### Recommended Form Design
319- **Required fields**: Justified list
320- **Optional fields**: With rationale
321- **Field order**: Recommended sequence
322- **Copy**: Labels, placeholders, button
323- **Error messages**: For each field
324- **Layout**: Visual guidance
325
326### Test Hypotheses
327Ideas to A/B test with expected outcomes
328
329---
330
331## Experiment Ideas
332
333### Form Structure Experiments
334
335**Layout & Flow**
336- Single-step form vs. multi-step with progress bar
337- 1-column vs. 2-column field layout
338- Form embedded on page vs. separate page
339- Vertical vs. horizontal field alignment
340- Form above fold vs. after content
341
342**Field Optimization**
343- Reduce to minimum viable fields
344- Add or remove phone number field
345- Add or remove company/organization field
346- Test required vs. optional field balance
347- Use field enrichment to auto-fill known data
348- Hide fields for returning/known visitors
349
350**Smart Forms**
351- Add real-time validation for emails and phone numbers
352- Progressive profiling (ask more over time)
353- Conditional fields based on earlier answers
354- Auto-suggest for company names
355
356---
357
358### Copy & Design Experiments
359
360**Labels & Microcopy**
361- Test field label clarity and length
362- Placeholder text optimization
363- Help text: show vs. hide vs. on-hover
364- Error message tone (friendly vs. direct)
365
366**CTAs & Buttons**
367- Button text variations ("Submit" vs. "Get My Quote" vs. specific action)
368- Button color and size testing
369- Button placement relative to fields
370
371**Trust Elements**
372- Add privacy assurance near form
373- Show trust badges next to submit
374- Add testimonial near form
375- Display expected response time
376
377---
378
379### Form Type-Specific Experiments
380
381**Demo Request Forms**
382- Test with/without phone number requirement
383- Add "preferred contact method" choice
384- Include "What's your biggest challenge?" question
385- Test calendar embed vs. form submission
386
387**Lead Capture Forms**
388- Email-only vs. email + name
389- Test value proposition messaging above form
390- Gated vs. ungated content strategies
391- Post-submission enrichment questions
392
393**Contact Forms**
394- Add department/topic routing dropdown
395- Test with/without message field requirement
396- Show alternative contact methods (chat, phone)
397- Expected response time messaging
398
399---
400
401### Mobile & UX Experiments
402
403- Larger touch targets for mobile
404- Test appropriate keyboard types by field
405- Sticky submit button on mobile
406- Auto-focus first field on page load
407- Test form container styling (card vs. minimal)
408
409---
410
411## Task-Specific Questions
412
4131. What's your current form completion rate?
4142. Do you have field-level analytics?
4153. What happens with the data after submission?
4164. Which fields are actually used in follow-up?
4175. Are there compliance/legal requirements?
4186. What's the mobile vs. desktop split?
419
420---
421
422## Related Skills
423
424- **signup-flow-cro**: For account creation forms
425- **popup-cro**: For forms inside popups/modals
426- **page-cro**: For the page containing the form
427- **ab-test-setup**: For testing form changes