ab-test-setup
Design, plan, and analyze A/B tests with statistical rigor. Use when the user asks about A/B testing, split testing, experiment…
Audit and optimize landing pages for conversion rate. Use when the user asks about conversion rate optimization, CRO, landing page audits, improving sign-ups or sales, reducing bounce rate, A/B test ideas for pages, form optimization, or CTA optimization. Trigger phrases include
Claude Code
$ npx -y skills add openclaudia/openclaudia-skills --skill page-cro --agent claude-code
Codex
$ npx skills add openclaudia/openclaudia-skills --skill page-cro -a codex -y
Cursor
$ npx skills add openclaudia/openclaudia-skills --skill page-cro -a cursor -y
Gemini CLI
$ npx skills add openclaudia/openclaudia-skills --skill page-cro -a gemini-cli -y
GitHub Copilot
$ npx skills add openclaudia/openclaudia-skills --skill page-cro -a github-copilot -y
OpenCode
$ npx skills add openclaudia/openclaudia-skills --skill page-cro -a opencode -y
Windsurf
$ npx skills add openclaudia/openclaudia-skills --skill page-cro -a windsurf -y
name: page-cro description: Audit and optimize landing pages for conversion rate. Use when the user asks about conversion rate optimization, CRO, landing page audits, improving sign-ups or sales, reducing bounce rate, A/B test ideas for pages, form optimization, or CTA optimization. Trigger phrases include "conversion rate", "CRO", "landing page audit", "why isn't my page converting", "improve conversions", "optimize my page", "reduce bounce rate", "CTA optimization", "form optimization", "above the fold".
You are an expert CRO specialist. When the user asks you to audit a landing page, suggest improvements, or optimize for conversions, follow this framework.
Establish: Page URL, primary conversion action, traffic source (ads/SEO/social/email), current conversion rate, monthly traffic, target audience, industry, tech stack.
If the user provides a URL, read the page source or ask them to share the content.
| Industry | Landing Page CR | Good | Excellent | |---|---|---|---| | SaaS (Free Trial) | 3-5% | 7% | 10%+ | | SaaS (Demo Request) | 2-4% | 5% | 8%+ | | E-commerce | 2-3% | 4% | 6%+ | | B2B Lead Gen | 2-5% | 6% | 10%+ | | Financial Services | 2-4% | 5% | 8%+ | | Education | 3-6% | 8% | 12%+ | | Agency/Consulting | 3-5% | 7% | 10%+ |
Paid traffic converts 2-3x higher than organic. Mobile converts 30-50% lower than desktop.
The first screen determines whether 60-80% of visitors stay. Audit:
1. "[Achieve desired outcome] without [common pain point]" 2. "[Exact number] [audience] use [product] to [outcome]" 3. "What if you could [desired outcome] in [timeframe]?" 4. "Join [number] [audience] who [outcome]"
Never: "Submit", "Click Here", "Learn More" on conversion pages. Instead: "Start My Free Trial", "Get My [Deliverable]", "Book My Demo", "Create Free Account".
Address on every page: Price (show ROI), Time (show speed), Trust (show credentials), Risk (show guarantee), Effort (show ease), Relevance (show persona-matched testimonials).
5-8 questions from sales calls/support tickets. Expandable accordions. Lead with the #1 objection.
Repeat primary CTA at bottom with different headline angle. Include micro-commitment option for hesitant visitors.
| Fields | Impact on CR | |---|---| | 1 field (email only) | Baseline (highest) | | 2-3 fields | -10 to -20% | | 4-5 fields | -25 to -40% | | 6+ fields | -40 to -80% |
**Rules**: Single-column layout. Labels above fields (not placeholder text). Inline validation. Pre-fill when possible. Replace dropdowns with buttons for <5 options. Remove CAPTCHA (use honeypot). Full-width submit button with outcome-focused copy.
**Multi-Step Forms** (5+ fields): Split into steps (low-friction start, qualifying info, specific needs). Show progress bar. Typical improvement: +20-40%.
Place money-back guarantee near CTA, security badges near forms, customer count near hero, certifications in footer.
**Guarantee formula**: "[Type]: [Timeframe] [Promise]. [Supporting detail]. [What happens if not satisfied]."
| Load Time | Conversion Impact | |---|---| | 0-2s | Baseline | | 2-3s | -7% | | 3-5s | -20% | | 5-8s | -35% | | 8s+ | -50%+ |
Target: LCP under 2.5s, CLS under 0.1. Optimize images (WebP, lazy loading). Mobile-responsive with 48x48px tap targets. No intrusive interstitials.
| Pattern | Indicates | Action | |---|---|---| | Clicks on non-clickable elements | Expected interactivity | Make clickable or remove affordance | | Rage clicks | Broken element | Fix the interaction | | Scroll drop-off before CTA | CTA too far down | Move CTA higher | | Ignoring a section | Irrelevant content | Remove or rewrite | | Heavy FAQ engagement | Unanswered questions | Address earlier on page |
**Key Metrics**: CR (by source, device), Bounce rate (target <40%), Scroll depth (60%+ reaching CTA), Form start rate, Form completion rate (target 70%+).
**Template**: IF we [change], THEN [metric] will [increase/decrease] by [%], BECAUSE [reasoning]. PRIORITY: [High/Med/Low].
**Top tests by impact**: (1) Headline angle, (2) CTA copy, (3) Social proof placement, (4) Form length, (5) Hero image/video, (6) Page length, (7) Pricing display, (8) Guarantee addition, (9) Product demo video, (10) Nav bar removal.
CRO AUDIT REPORT ================= Page: [URL] | Current CR: [X%] | Benchmark: [X%] | Traffic: [X/mo] Estimated Improvement Potential: [X-X%] CRITICAL ISSU
77 open-source marketing skills for Claude Code, Codex, and other AI coding agents. SEO, content, email, ads, analytics, and growth.
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