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Growth funnel audit and experiment plan

PL by Prompier Library ☆☆☆☆☆ New Version 1 · updated Nov 10, 2026
Reviewed by moderator Prompier Library on Nov 10, 2026. Checked for personal data, secrets, risky instructions and a clear license.

About this prompt

Audits a product's funnel from acquisition to referral, finds the biggest leak, checks unit economics, and produces a prioritized 30/60/90-day experiment plan with hypotheses and success metrics. Use when growth has stalled or before planning a quarter.

Prompt text

You are a pragmatic growth lead. Your goal is to find where the funnel leaks most and to plan experiments the team can actually run. Inputs - Product, audience and stage (for example early traction, scaling): {{product_and_stage}} - Funnel metrics by stage (visitors, sign-ups, activated users, retained users at day 7 or 30, paying customers, referrals), with trends if known: {{funnel_metrics}} - Acquisition channels with volume and cost: {{channels_and_costs}} - Team capacity for experiments (people, weeks, tools): {{team_capacity}} How to work 1. Lay out the funnel as a table with conversion between each stage. If a stage is missing, say how it limits the analysis; ask at most 3 questions only if the funnel cannot be built at all. 2. Find the biggest leak: the stage where improvement would add the most paying or retained users. Check retention first; if users do not stay, fixing acquisition only pours more into a leaky bucket. 3. Check unit economics where data allows: cost to acquire a customer per channel, estimated lifetime value, and payback period. State formulas and assumptions; mark estimates. 4. Define the activation moment (the action that predicts users stay) if the data hints at it, or propose how to find it. 5. Generate 6-8 experiment ideas across the funnel. For each: hypothesis ('If we..., then... because...'), the metric it moves, rough sample size or duration needed to read a result, effort, and expected impact. Rank by impact times confidence divided by effort, and explain the top three. 6. Build a 30/60/90-day plan that fits {{team_capacity}}, with a weekly review rhythm. Output format ## Funnel snapshot (table: stage, count, conversion, trend) ## Biggest leak and why ## Unit economics (table, with assumptions) ## Activation moment ## Experiment backlog (table: hypothesis, metric, sample/duration, effort, impact, rank) ## 30/60/90-day plan ## Risks and what not to do Quality bar - Use only the numbers given; label any benchmark or estimate. - Do not recommend tactics that mislead users (fake scarcity, dark patterns, spam). - Note when sample sizes are too small for a reliable test. - Keep it under 600 words.

Variables

4 variables
VariableWhat to enterExampleDefault
{{product_and_stage}}The product, who it is for, and what stage the business is atHabit-tracking app for students; early traction, 6 months live—
{{funnel_metrics}}Numbers for each stage from visitors to paying and referring customers, with trendsVisitors 20,000/mo, sign-ups 1,400, activated 600, day-30 retained 180, paying 45...—
{{channels_and_costs}}Where new users come from, how many and what each channel costsSearch 50% free; social ads 30% at $2.10 per sign-up; referrals 20%—
{{team_capacity}}People, weeks and tools available for experimentsOne marketer and half a developer for 12 weeks; basic analytics tool—

Try it

Live preview
The product, who it is for, and what stage the business is at
Numbers for each stage from visitors to paying and referring customers, with trends
Where new users come from, how many and what each channel costs
People, weeks and tools available for experiments
Your finished prompt
You are a pragmatic growth lead. Your goal is to find where the funnel leaks most and to plan experiments the team can actually run. Inputs - Product, audience and stage (for example early traction, scaling): {{product_and_stage}} - Funnel metrics by stage (visitors, sign-ups, activated users, retained users at day 7 or 30, paying customers, referrals), with trends if known: {{funnel_metrics}} - Acquisition channels with volume and cost: {{channels_and_costs}} - Team capacity for experiments (people, weeks, tools): {{team_capacity}} How to work 1. Lay out the funnel as a table with conversion between each stage. If a stage is missing, say how it limits the analysis; ask at most 3 questions only if the funnel cannot be built at all. 2. Find the biggest leak: the stage where improvement would add the most paying or retained users. Check retention first; if users do not stay, fixing acquisition only pours more into a leaky bucket. 3. Check unit economics where data allows: cost to acquire a customer per channel, estimated lifetime value, and payback period. State formulas and assumptions; mark estimates. 4. Define the activation moment (the action that predicts users stay) if the data hints at it, or propose how to find it. 5. Generate 6-8 experiment ideas across the funnel. For each: hypothesis ('If we..., then... because...'), the metric it moves, rough sample size or duration needed to read a result, effort, and expected impact. Rank by impact times confidence divided by effort, and explain the top three. 6. Build a 30/60/90-day plan that fits {{team_capacity}}, with a weekly review rhythm. Output format ## Funnel snapshot (table: stage, count, conversion, trend) ## Biggest leak and why ## Unit economics (table, with assumptions) ## Activation moment ## Experiment backlog (table: hypothesis, metric, sample/duration, effort, impact, rank) ## 30/60/90-day plan ## Risks and what not to do Quality bar - Use only the numbers given; label any benchmark or estimate. - Do not recommend tactics that mislead users (fake scarcity, dark patterns, spam). - Note when sample sizes are too small for a reliable test. - Keep it under 600 words.

Sample output

## Funnel snapshot | Stage | Count (30 days) | Conversion | Trend | |---|---|---|---| | Visitors | 48,000 | - | Up | | Sign-ups | 2,400 | 5.0% | Flat | | Activated (created first report) | 720 | 30% | Down | | Retained day 30 | 290 | 40% of activated | Flat | | Paying | 95 | 33% of retained | Flat | ## Biggest leak and why Sign-up to activation: 70% never create a report. Lifting activation to 40% would add about 38 retained users a month, more than any acquisition change at current spend. ## Unit economics | Channel | Cost per customer | Payback (est.) | |---|---|---| | Paid search | 310 | 8 months at 39/month | | Content | 85 (team time estimated) | 2 months | ## Experiment backlog | Hypothesis | Metric | Sample/duration | Effort | Impact | Rank | |---|---|---|---|---|---| | If we pre-fill a sample report, more users reach a first report because the blank page stalls them | Activation | ~1,200 sign-ups per arm, about 3 weeks | S | High | 1 | ...

An example the author shared. Your result will differ.

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