1---2name: growth-hacking3description: Growth strategies, viral loops, acquisition funnels, AARRR framework, and rapid experimentation.4---56# Growth Hacking78> Systematic approaches to rapid, scalable growth.910---1112## 1. AARRR Pirate Metrics Framework1314| Stage | Focus | Key Metric |15|-------|-------|------------|16| **Acquisition** | Get users | CAC, traffic sources |17| **Activation** | First value | Activation rate |18| **Retention** | Keep users | Churn, DAU/MAU |19| **Revenue** | Make money | ARPU, LTV |20| **Referral** | Spread word | Viral coefficient |2122---2324## 2. Acquisition Strategies2526### Channel Categories2728| Channel | Type | Speed | Cost |29|---------|------|-------|------|30| **SEO** | Organic | Slow | Low |31| **Content** | Organic | Medium | Medium |32| **Social** | Organic/Paid | Fast | Variable |33| **Paid ads** | Paid | Fast | High |34| **Referral** | Viral | Medium | Low |35| **Partnerships** | Leverage | Medium | Medium |3637### Channel Prioritization (ICE Score)3839| Factor | Score 1-10 |40|--------|------------|41| **Impact** | Potential effect |42| **Confidence** | Likelihood of success |43| **Ease** | Resources needed |4445---4647## 3. Activation Tactics4849### Onboarding Best Practices5051| Tactic | Purpose |52|--------|---------|53| **Progress bar** | Show completion % |54| **Quick wins** | Early success |55| **Personalization** | Relevance |56| **Tooltips** | Guidance |57| **Checklist** | Clear next steps |5859### Activation Metrics6061| Metric | Calculation |62|--------|-------------|63| **Activation rate** | Users who complete key action / Total signups |64| **Time to value** | Time from signup to first value |65| **Setup completion** | % completing onboarding |6667---6869## 4. Retention Strategies7071### Retention Types7273| Type | Timeframe | Focus |74|------|-----------|-------|75| **Day 1** | 24 hours | First impression |76| **Week 1** | 7 days | Habit formation |77| **Month 1** | 30 days | Core value |78| **Long-term** | 90+ days | Loyalty |7980### Retention Tactics8182| Tactic | How |83|--------|-----|84| **Email sequences** | Drip campaigns |85| **Push notifications** | Timely reminders |86| **In-app messages** | Contextual help |87| **Feature education** | Show unused features |88| **Rewards** | Gamification |89| **Community** | Build connections |9091### Retention Metrics9293| Metric | Formula |94|--------|---------|95| **Day N retention** | Active on day N / Total signups day 0 |96| **Cohort retention** | Users still active / Users in cohort |97| **Churn rate** | Lost customers / Total customers |98| **DAU/MAU** | Daily active / Monthly active |99100---101102## 5. Viral Loops103104### Types of Viral Loops105106| Type | Example | K-factor potential |107|------|---------|-------------------|108| **Inherent** | Invite to collaborate | High |109| **Word of mouth** | Product so good | Medium |110| **Incentivized** | Referral rewards | High |111| **Social sharing** | Share content | Medium |112| **Embedded** | "Made with X" | Low-Medium |113114### Viral Coefficient (K-factor)115116```117K = i × c118119Where:120i = invites sent per user121c = conversion rate of invites122```123124| K-factor | Result |125|----------|--------|126| K > 1 | Exponential growth |127| K = 1 | Linear growth |128| K < 1 | Declining growth |129130### Referral Program Structure131132| Element | Best Practice |133|---------|---------------|134| **Incentive** | Two-sided rewards |135| **Friction** | One-click sharing |136| **Visibility** | In-product placement |137| **Tracking** | Unique referral codes |138139---140141## 6. Growth Experiments142143### Hypothesis Template144145```146If we [make this change]147Then [this metric] will [increase/decrease]148Because [reasoning]149```150151### Experiment Process152153| Phase | Activities |154|-------|------------|155| **Ideation** | Brainstorm, prioritize (ICE) |156| **Design** | Hypothesis, success metrics |157| **Build** | MVP implementation |158| **Measure** | Track results |159| **Learn** | Document, iterate |160161### Sample Size Calculator162163| Baseline | Lift | Sample needed |164|----------|------|---------------|165| 2% | 10% | ~78,000 per variant |166| 2% | 25% | ~12,500 per variant |167| 5% | 10% | ~31,000 per variant |168| 5% | 25% | ~5,000 per variant |169170---171172## 7. Product-Led Growth (PLG)173174### PLG Principles175176| Principle | Implementation |177|-----------|----------------|178| **Free tier** | Generous freemium |179| **Self-serve** | No sales needed |180| **Bottom-up** | Individual users first |181| **Virality** | Built-in sharing |182| **Data-driven** | Usage triggers upgrade |183184### PLG Metrics185186| Metric | Target |187|--------|--------|188| **Free to paid** | 2-5% |189| **Time to paid** | < 30 days |190| **PQL conversion** | 10-20% |191| **Expansion revenue** | > 30% of new revenue |192193---194195## 8. Growth Levers196197### North Star Metric198199| Business Type | North Star |200|---------------|------------|201| **SaaS** | Weekly active users |202| **E-commerce** | Weekly purchases |203| **Marketplace** | Weekly transactions |204| **Media** | Daily active readers |205| **Consumer app** | DAU/MAU ratio |206207### Input Metrics208209| North Star | Input Metrics |210|------------|---------------|211| **Active users** | Signups, activation, retention |212| **Revenue** | Customers, ARPU, frequency |213| **Engagement** | Sessions, actions, time spent |214215---216217## 9. Growth Stack218219### Analytics Tools220221| Tool | Purpose |222|------|---------|223| **Mixpanel/Amplitude** | Product analytics |224| **Google Analytics** | Web traffic |225| **Heap** | Auto-tracked events |226| **Segment** | Data pipeline |227228### Experimentation Tools229230| Tool | Purpose |231|------|---------|232| **Optimizely** | A/B testing |233| **LaunchDarkly** | Feature flags |234| **Statsig** | Experimentation |235236### Engagement Tools237238| Tool | Purpose |239|------|---------|240| **Intercom** | In-app messaging |241| **Customer.io** | Email automation |242| **Appcues** | User onboarding |243244---245246## 10. Growth Team Structure247248### Roles249250| Role | Responsibility |251|------|----------------|252| **Growth Lead** | Strategy, prioritization |253| **Growth PM** | Experiments, roadmap |254| **Growth Engineer** | Implementation |255| **Data Analyst** | Insights, measurement |256| **Growth Marketer** | Acquisition, content |257258### Process259260| Cadence | Activity |261|---------|----------|262| **Weekly** | Experiment review |263| **Bi-weekly** | Sprint planning |264| **Monthly** | Metric deep-dive |265| **Quarterly** | Strategy review |266267---268269> **Remember:** Growth is about finding leverage points through rapid experimentation. Test fast, learn faster, scale what works.
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