A/B testing

Compare two versions of a page, email, or feature to determine which performs better using statistical methods that isolate the impact of specific changes.

A/B testing

A/B testing

definition

Introduction

Why it matters

How to apply it

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Growth orchestration

The cockpit that sits above your four growth engines. Individual teams can excel at their own metrics, but without orchestration they're musicians playing different songs. This is where everything comes together and where improvements in one engine amplify gains in another.

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Growth team tools

Growth team tools

The wrong tools create friction. The right ones multiply your output without adding complexity. These are the tools I recommend for growth teams that move fast.

Compound growth

Compound growth

Small improvements multiply. A 10% gain across twelve metrics doesn't add up to 120% - it compounds to 3x growth. This is the mathematical engine behind systematic growth.

Growth strategy

Growth strategy

Four decisions that shape everything else. When growth feels harder than it should, the problem is usually here. Get these right and execution becomes much easier.

Growth rhythms

Growth rhythms

Without rhythm, effort becomes scattered and progress invisible. A consistent operating cadence keeps your team aligned and your growth system continuously improving.

Related books

Hacking growth

Sean Ellis

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Hacking growth

A practical framework for experiments and insights. Build loops, run tests and adopt a cadence that ships learning every week.

Lean Startup

Eric Ries

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Lean Startup

A disciplined approach to experiments. Define hypotheses, design MVPs and learn before you scale.

Lean Analytics

Alistair Croll

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Lean Analytics

Pick the One Metric that Matters for your stage. Build lean dashboards and use data to decide the next best move.

Related chapters

1

Building your backlog

Random testing wastes time and teaches you nothing. Learn how to collect experiment ideas systematically and prioritise them based on potential impact so you always know what to run next.

2

Creating strong hypotheses

Most experiments fail before they start because the hypothesis is vague or untestable. Learn how to write hypotheses that are specific enough to prove or disprove and tied to metrics that matter.

Wiki

North Star Metric

Choose one metric that best predicts long-term success to align your entire team on what matters and avoid conflicting priorities that dilute focus.

Pareto Principle

Focus effort on the 20% of activities that drive 80% of results, systematically eliminating low-yield work to maximise output per hour invested.

Monthly Recurring Revenue (MRR)

Track predictable monthly subscription revenue to monitor short-term growth trends and make faster decisions than waiting for annual revenue reports.

Go-to-market strategy

Plan how you'll reach customers and generate revenue by choosing channels, pricing, and sales models that match your product and market reality.

Pipeline coverage

Calculate how much pipeline you need relative to quota to ensure you generate enough opportunities to hit revenue targets despite normal conversion rates.

Inbound Marketing

Attract prospects through valuable content that solves real problems, building trust and generating qualified leads who approach you.

Growth lever

Focus resources on high-impact business mechanisms where small improvements generate disproportionate results across the entire customer journey.

Stakeholder Management

Navigate competing priorities and secure buy-in by systematically understanding, influencing, and aligning internal decision-makers toward shared goals.

Multi-touch attribution

Distribute conversion credit across multiple touchpoints to recognise that customer journeys involve many interactions and channels working together.

Statistical significance

Determine whether experiment results reflect real differences or random chance to avoid making expensive decisions based on noise instead of signal.

Customer Acquisition Cost (CAC)

Calculate the total cost of winning a new customer to evaluate marketing efficiency and ensure sustainable unit economics across all channels.

Email sequence

Automate multi-touch email campaigns that adapt based on recipient behaviour to nurture leads consistently without manual follow-up from reps or marketers.

Objectives and Key Results (OKRs)

Set ambitious goals and measurable outcomes that cascade through your organisation, creating alignment and accountability for strategic priorities.

Workflow automation

Connect triggers to actions across systems so repetitive tasks happen automatically and teams can focus on work that requires judgement instead of admin.

Integration

Connect tools so data flows automatically between systems to eliminate manual entry, keep records current, and enable sophisticated workflows across platforms.

Marketing stack

Organise the tools that capture leads, nurture prospects, and measure performance to automate repetitive work and connect customer data across systems.

Growth plateau

Diagnose and break through stagnation by identifying which business mechanisms have reached capacity and require new approaches.

Growth hacking

Deploy fast, low-cost experiments to discover scalable acquisition and retention tactics, learning through iteration rather than big bets.

Drip campaign

Send a series of scheduled emails that educate prospects over time to stay top-of-mind without overwhelming them with aggressive sales pitches.

Cohort analysis

Group customers by acquisition period to compare behaviour patterns and identify which acquisition channels and time periods produce the best long-term value.