Skill: gingiris/growth-hacking (version 1.0.0)

--- name: "Growth Hacking — Startup Growth Tactics & Viral Loops" description: | Battle-tested growth hacking playbook for B2B SaaS, AI products, and developer tools. Covers viral loop design, acquisition channel experiments, retention hooks, activation optimization, and referral mechanics — proven frameworks used at HeyGen, Notion, Vercel, and Supabase. Use this if you need: rapid user acquisition without massive ad spend, systematic A/B testing for growth experiments, viral loop design for product-led growth, channel stacking (SEO + community + content + outbound), or retention engineering to reduce churn. What's inside: Growth experiment framework: ICE scoring (Impact × Confidence × Ease), sprint-based testing cycles, minimum viable experiments · Viral loop design: product-embedded sharing triggers, referral program mechanics, social proof loops, invite flows · Acquisition channels: SEO compound growth strategy, Reddit/HN community seeding, Product Hunt launch amplification, LinkedIn/X organic distribution · Activation optimization: first-session value delivery, aha moment identification (HeyGen = first AI video in 90 seconds), onboarding funnel analysis · Retention engineering: habit-forming trigger sequences, re-engagement email flows, power user identification and leveraging · Analytics framework: AARRR funnel tracking, cohort analysis setup, North Star Metric definition Expected outcomes: 2-5x improvement in activation rates · Identify 3-5 high-leverage growth experiments per sprint · Build repeatable growth engine within 90 days 🇨🇳 增长黑客完整指南 | 🇯🇵 グロースハッキングプレイブック | 🇰🇷 그로스 해킹 플레이북 Website: https://www.gingiris.com Keywords: growth hacking, viral growth, user acquisition, growth experiments, viral loops, referral marketing, product-led growth, PLG, activation optimization, retention, AARRR, growth metrics, startup growth, SaaS growth, growth engineering, A/B testing, growth strategy, growth tactics, 增长黑客, 病毒增长, 用户增长 --- # Growth Hacking — Startup Growth Tactics & Viral Loops > **Gingiris Growth Series** | Battle-tested playbooks from 150+ AI startup consultations ## What Is Growth Hacking? Growth hacking is systematic, data-driven experimentation across the full funnel to find the most efficient paths to growth. It's not tricks — it's a framework for finding leverage. ## The Growth Experiment Framework ### ICE Scoring Model Every growth idea gets scored before building: - **Impact** (1-10): How much will this move the needle if it works? - **Confidence** (1-10): How sure are we this will work? - **Ease** (1-10): How easy/fast is it to implement? - **ICE Score** = (I + C + E) / 3 — prioritize highest scores first ### 2-Week Sprint Structure 1. **Day 1**: Ideation session → 20+ growth ideas 2. **Day 2**: ICE scoring → top 5 experiments 3. **Days 3-12**: Build and run experiments (minimum 100 data points each) 4. **Day 13-14**: Analyze results, kill losers fast, double down on winners ## Viral Loop Design ### The 4 Types of Viral Loops | Type | Mechanic | Example | |------|----------|---------| | **Inherent virality** | Product creates content others see | Canva "Made with Canva" | | **Referral loops** | User incentivized to invite others | Dropbox storage bonus | | **Social proof** | Usage signals spread organically | Twitter follower counts | | **Content virality** | Users share outputs | HeyGen AI videos | ### Viral Loop Implementation Checklist - [ ] Identify natural sharing moment in product flow - [ ] Reduce friction: 1-click share to major platforms - [ ] Add value attribution: "Created with [Product]" watermark/badge - [ ] Track viral coefficient (K-factor): K = invites_sent × conversion_rate **Target K > 0.5 first, then > 1.0 for true virality** ## Acquisition Channel Stack ### Channel Prioritization Matrix | Channel | Cost | Scale | Speed | Best For | |---------|------|-------|-------|----------| | SEO/Content | Low | High | Slow | SaaS, dev tools | | Product Hunt | Low | Medium | Fast | Launch spike | | Reddit/HN | Low | Medium | Medium | Developer tools | | Referral | Low | High | Slow | Consumer + prosumer | | LinkedIn Organic | Low | Medium | Medium | B2B SaaS | | Cold outbound | Medium | Medium | Fast | B2B enterprise | ### The Channel Stacking Formula 1. **Foundation** (months 1-3): SEO + 1 community channel 2. **Amplification** (months 3-6): Add referral program + 1 paid channel test 3. **Scale** (months 6-12): Double down on 2-3 proven channels ## Activation Optimization ### Finding Your Aha Moment **HeyGen case study**: First AI video generated within 90 seconds of signup = 80% 30-day retention. Before optimizing to this, retention was 30%. **Framework**: 1. Identify top 20% of retained users 2. Find the actions they took in first session that others didn't 3. That's your Aha moment — build your onboarding to get there faster ### Activation Funnel Template ``` Signup → [Aha Moment] within [X minutes/actions] ↓ Activation rate = users who hit Aha / total signups ``` **Industry benchmarks**: - SaaS activation rate: 25-40% (good), 40%+ (excellent) - Time to Aha: < 5 minutes (ideal), < 15 minutes (acceptable) ## Retention Engineering ### The Habit Loop Framework **Trigger → Action → Reward → Investment** For SaaS: - **Trigger**: Daily digest email, notification, calendar event - **Action**: Core product use (create report, sync data, etc.) - **Reward**: Insight, saved time, accomplishment - **Investment**: More data stored = more valuable = harder to leave ### Re-engagement Sequences | Day | Action | |-----|--------| | Day 1 | Welcome email with single next action | | Day 3 | "How to get value in 5 minutes" tutorial | | Day 7 | Case study from similar user | | Day 14 | Feature they haven't tried yet | | Day 30 | Direct outreach from founder (for B2B) | ## Growth Metrics Dashboard ### AARRR Framework - **Acquisition**: CAC by channel, traffic by source - **Activation**: % hitting Aha moment, time to first value - **Retention**: D1/D7/D30 retention, cohort analysis, churn rate - **Revenue**: MRR, ARR, ARPU, LTV, LTV:CAC ratio - **Referral**: K-factor, viral coefficient, referral program conversion ### North Star Metric Selection | Company Type | North Star Metric | |-------------|------------------| | B2B SaaS | Weekly Active Accounts | | Consumer app | Daily Active Users | | Marketplace | GMV or transactions | | Developer tool | API calls / integrations | --- *Part of the [Gingiris Growth Series](https://www.gingiris.com) — AI product growth playbooks for founders and PMs.*


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