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cro — Claude Code skill: conversion analysis and installation

This skill reviews marketing pages and forms, then suggests changes aimed at improving conversions. Use it when a page is not getting the response you want.

Install into Claude Code · Skills CLI (Vercel) All methods and platforms ↓
npx skills add coreyhaines31/marketingskills --skill cro -a claude-code
Open on GitHub

What cro does

The skill checks the value proposition, headline, CTA, visual hierarchy, trust signals, objections, and friction in the conversion path. It first identifies the page type, conversion goal, and traffic source. If the project contains product-marketing.md, it reads that context before asking questions.

Recommendations are grouped into quick wins, larger changes to prioritize, and test ideas. Separate reference files cover forms and experiments; the skill also suggests alternative headline and CTA copy. Install it when you need a structured review of a marketing page or form. For issues inside the registration flow, the source points to the separate signup skill.

What it helps with

  • diagnose why a landing page gets few requests
  • spot unnecessary fields in a contact form
  • check whether a headline states the page's value clearly
  • draft A/B test hypotheses for a CTA
  • review trust signals near the main action

Example prompts for the agent

  • Review this landing page and suggest changes that could improve conversions.
  • Find points of friction in this lead form that might stop someone from submitting it.
  • Suggest A/B test ideas for the headline and CTA on the pricing page.

How to install cro

1Skills CLI (Vercel)

npx skills add coreyhaines31/marketingskills --skill cro -a claude-code

2Manually: put the files in place

~/.claude/skills/cro/SKILL.md

Copy the whole skill folder; for one project use .claude/skills/cro/

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Similar

Questions about cro

How do I install cro in Claude Code?

Run npx skills add coreyhaines31/marketingskills --skill cro -a claude-code.

What does the cro skill do?

It reviews marketing pages and forms for value proposition clarity, headlines, CTAs, trust signals, and conversion friction. It then gives actionable recommendations and experiment ideas.

Which platforms support cro?

The listed platforms are Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, and OpenCode.

Source text

SKILL.md · MIT
---
name: cro
description: "When the user wants to optimize, improve, or increase conversions on any marketing page or form — including homepage, landing pages, pricing pages, feature pages, lead capture forms, or contact forms. Also use when the user says 'CRO,' 'conversion rate optimization,' 'this page isn't converting,' 'improve conversions,' 'why isn't this page working,' 'my landing page sucks,' 'form abandonment,' 'nobody's converting,' 'low conversion rate,' or 'this page needs work.' Use this even if the user just shares a URL and asks for feedback. For signup/registration flows, see signup. For post-signup activation, see onboarding. For popups/modals, see popups."
metadata:
  version: 2.0.3
---

# Conversion Rate Optimization (CRO)

You are a conversion rate optimization expert. Your goal is to analyze marketing pages and provide actionable recommendations to improve conversion rates.

## Reference Routing

Load the matching reference before recommending changes in these areas. Use the page analysis below for the initial diagnosis; references supply the detailed recommendations.

| User intent | Load | Covers |
|---|---|---|
| Lead, contact, demo, or quote form abandonment; fields, validation, mobile forms | [form.md](references/form.md) | Field decisions, form layouts, errors, trust, measurement, and form-specific experiments |
| Experiment ideas for a homepage, pricing, demo, landing, feature, or resource page | [experiments.md](references/experiments.md) | Hypotheses organized by page type and cross-page tests; use **ab-testing** for test design and measurement |

## Initial Assessment

**Check for product marketing context first:**
If `.agents/product-marketing.md` exists (or `.claude/product-marketing.md`, or the legacy `product-marketing-context.md` filename, 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:

1. **Page Type**: Homepage, landing page, pricing, feature, blog, about, other
2. **Primary Conversion Goal**: Sign up, request demo, purchase, subscribe, download, contact sales
3. **Traffic Context**: Where are visitors coming from? (organic, paid, email, social)

---

## CRO Analysis Framework

Analyze the page across these dimensions, in order of impact:

### 1. Value Proposition Clarity (Highest Impact)

**Check for:**
- Can a visitor understand what this is and why they should care within 5 seconds?
- Is the primary benefit clear, specific, and differentiated?
- Is it written in the customer's language (not company jargon)?

**Common issues:**
- Feature-focused instead of benefit-focused
- Too vague or too clever (sacrificing clarity)
- Trying to say everything instead of the most important thing

### 2. Headline Effectiveness

**Evaluate:**
- Does it communicate the core value proposition?
- Is it specific enough to be meaningful?
- Does it match the traffic source's messaging?

**Strong headline patterns:**
- Outcome-focused: "Get [desired outcome] without [pain point]"
- Specificity: Include numbers, timeframes, or concrete details
- Social proof: "Join 10,000+ teams who..."

### 3. CTA Placement, Copy, and Hierarchy

**Primary CTA assessment:**
- Is there one clear primary action?
- Is it visible without scrolling?
- Does the button copy communicate value, not just action?
  - Weak: "Submit," "Sign Up," "Learn More"
  - Strong: "Start Free Trial," "Get My Report," "See Pricing"

**CTA hierarchy:**
- Is there a logical primary vs. secondary CTA structure?
- Are CTAs repeated at key decision points?

### 4. Visual Hierarchy and Scannability

**Check:**
- Can someone scanning get the main message?
- Are the most important elements visually prominent?
- Is there enough white space?
- Do images support or distract from the message?

### 5. Trust Signals and Social Proof

**Types to look for:**
- Customer logos (especially recognizable ones)
- Testimonials (specific, attributed, with photos)
- Case study snippets with real numbers
- Review scores and counts
- Security badges (where relevant)

**Placement:** Near CTAs and after benefit claims

### 6. Objection Handling

**Common objections to address:**
- Price/value concerns
- "Will this work for my situation?"
- Implementation difficulty
- "What if it doesn't work?"

**Address through:** FAQ sections, guarantees, comparison content, process transparency

### 7. Friction Points

**Look for:**
- Too many form fields
- Unclear next steps
- Confusing navigation
- Required information that shouldn't be required
- Mobile experience issues
- Long load times

---

## Output Format

Structure your recommendations as:

### Quick Wins (Implement Now)
Easy changes with likely immediate impact.

### High-Impact Changes (Prioritize)
Bigger changes that require more effort but will significantly improve conversions.

### Test Ideas
Hypotheses worth A/B testing rather than assuming.

### Copy Alternatives
For key elements (headlines, CTAs), provide 2-3 alternatives with rationale.

---

## Page-Specific Frameworks

### Homepage CRO
- Clear positioning for cold visitors
- Quick path to most common conversion
- Handle both "ready to buy" and "still researching"

### Landing Page CRO
- Message match with traffic source
- Single CTA (remove navigation if possible)
- Complete argument on one page

### Pricing Page CRO
- Clear plan comparison
- Recommended plan indication
- Address "which plan is right for me?" anxiety

### Feature Page CRO
- Connect feature to benefit
- Use cases and examples
- Clear path to try/buy

### Blog Post CRO
- Contextual CTAs matching content topic
- Inline CTAs at natural stopping points

---

## Experiment Ideas

When recommending experiments, consider tests for:
- Hero section (headline, visual, CTA)
- Trust signals and social proof placement
- Pricing presentation
- Form optimization
- Navigation and UX

**For comprehensive experiment ideas by page type**: See [references/experiments.md](references/experiments.md)

---

## Task-Specific Questions

1. What's your current conversion rate and goal?
2. Where is traffic coming from?
3. What does your signup/purchase flow look like after this page?
4. Do you have user research, heatmaps, or session recordings?
5. What have you already tried?

---

## Related Skills

- **signup**: If the issue is in the signup process itself
- **popups**: If considering popups as part of the strategy
- **copywriting**: If the page needs a complete copy rewrite
- **ab-testing**: To properly test recommended changes

---

## Form Optimization

When enrichment controls the next step after a lead form, use the [revops inbound-routing playbook](https://github.com/coreyhaines31/marketingskills/blob/main/skills/revops/references/inbound-routing.md): preserve valid submissions, bound the lookup wait, and provide a useful fallback when qualification is unknown.

For detailed form CRO guidance — including field optimization, multi-step forms, error handling, and form-specific experiments — see [references/form.md](references/form.md).

© coreyhaines31 · MIT · coreyhaines31/marketingskills

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