Claude Prompt to Optimize a Conversion Rate
Conversion rate optimization (CRO) is a major strategic lever for any online business. Every percentage point gained on your conversion rate can mean thousands of euros of additional revenue, without increasing your acquisition budget. Claude excels at analyzing user journeys, identifying friction points, and formulating actionable recommendations. Unlike a purely analytical data-driven approach, Claude can combine behavioral analysis with principles of cognitive psychology, persuasive copywriting, and UX design to produce a comprehensive audit and prioritized A/B test hypotheses. Whether you're looking to improve the conversion rate of a landing page, a sales funnel, an e-commerce product page, or a signup form, Claude structures its analysis around proven frameworks such as WiderFunnel's LIFT model or Cialdini's heuristics. The result: a concrete action plan, prioritized by potential impact and ease of implementation, that your team can execute immediately.
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Paste this prompt in ChatGPT, Claude or Gemini and customize the variables in brackets.
You are a conversion rate optimization (CRO) expert with 15 years of experience in e-commerce, SaaS, and lead generation. I will provide you with information about the page or conversion funnel I need to optimize.
Page context:
- URL or description: [DESCRIBE_THE_PAGE]
- Desired conversion type: [PURCHASE / SIGNUP / DEMO_REQUEST / OTHER]
- Current conversion rate: [X%]
- Monthly traffic volume: [NUMBER_OF_VISITORS]
- Main traffic source: [SEO / ADS / SOCIAL_MEDIA / EMAIL]
- Target audience: [DESCRIBE_THE_PERSONA]
Analyze my page according to these 6 axes:
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Value proposition: Is the promise clear, unique, and visible within 5 seconds? Identify possible improvements.
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Friction and anxiety: List all elements that create friction (overly long forms, lack of reassurance, unnecessary steps) or anxiety (lack of social proof, unclear return policy).
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Visual hierarchy and CTA: Is the call-to-action sufficiently visible, clear, and compelling? Propose 3 CTA variants to test.
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Persuasive copywriting: Rewrite the 3 most impactful text elements (headline, subheading, CTA) applying Cialdini's principles (urgency, social proof, reciprocity, authority).
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User journey: Identify likely exit points and propose solutions for each.
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A/B test hypotheses: Formulate 5 A/B test hypotheses prioritized according to the ICE framework (Impact, Confidence, Ease), each including: the hypothesis, the proposed variation, the metric to track, and the ICE score.
Present your results as a structured report with an executive summary at the beginning, each axis detailed, and end with a 30-day action plan.
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Why this prompt works
This prompt works because it imposes a structured analysis framework covering all CRO levers in 6 axes, preventing Claude from producing generic advice. By providing precise context (current rate, traffic, persona), Claude can calibrate its recommendations to the real case rather than answering abstractly. The ICE framework for A/B tests forces objective prioritization that transforms analysis into an immediately executable action plan.
Use Cases
Variants
Expected Output
You get a complete CRO report structured in clear sections: an executive summary with the top 3 quick wins, a detailed analysis of each axis with specific recommendations, concrete rewrites of your copywriting elements, and a backlog of 5 A/B tests prioritized by ICE score. The 30-day action plan allows you to immediately launch high-impact, low-effort optimizations.
Frequently Asked Questions
What data should I provide to Claude to get the best CRO recommendations?
For a high-quality CRO audit, provide at minimum: your current conversion rate, traffic volume, main traffic sources, and a detailed description of your page (or paste the textual content directly). For even more precise recommendations, add your heatmap data, bounce rates by device, previous A/B test results, and qualitative user feedback. The richer the context, the better Claude can identify levers specific to your situation rather than offering generic advice.
Can Claude replace an A/B testing tool like Google Optimize or VWO?
No, Claude doesn't replace A/B testing tools—it complements them. Claude excels in the ideation and prioritization phase: it formulates structured test hypotheses, proposes concrete variations, and estimates potential impact. But test execution (displaying variants, collecting data, calculating statistical significance in real time) requires a dedicated tool. Use Claude upstream to design your tests, then a tool like VWO, AB Tasty, or Google Optimize to run them and measure the results.
How often should I run a CRO analysis with Claude?
Run a full analysis after every major page change, after implementing a winning A/B test, or quarterly to keep a fresh perspective on your conversion funnel. Between full audits, you can use Claude on an ad-hoc basis to analyze a specific element (a new headline, a form redesign) or to interpret test results. Conversion optimization is an iterative process: each analyze-test-implement cycle should feed into the next.
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Pour des recommandations plus actionnables, ajoutez le résultat d’un heatmap ou d’une session utilisateur (extraits, clics, scroll) dans le contexte. Scindez aussi l’analyse : lancez le prompt une fois par axe, cela force Claude à aller plus en profondeur qu’un rapport global. Enfin, recadrez les scores ICE avec vos propres contraintes de ressources, Claude ne connaît pas votre capacité de développement.
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