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The Stupid-Simple Guide to Validating Product Demand (and Making Actual Money)
Most founders are wasting their time with complexity when simplicity would save them.
I've watched countless startups crash
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Action focused guides to break into marketing analytics & CRO, level‑up technical skills, ace interviews, and negotiate six figure offers. Real dashboards, tool stacks, and lessons from my day‑job experiments built for ambitious analysts and marketers.
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How We Got Our First 1,000 Users Without Spending a Dollar on Ads
After burning through $1,000 on LinkedIn ads with abysmal CTRs and zero conversions, we were forced to completely rebuild
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I Broke Brand Guidelines and Increased Conversions 49%: Why Function Beats Form in CRO
By Atticus Li, Lead Conversion Rate Optimization & UX at NRG
The brand marketing team pushed back hard. But the
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The $Million Statistical Mistake: Why 95% Confidence Doesn't Mean What You Think It Means
By Atticus Li, Lead Conversion Rate Optimization & UX at NRG
Our 14-month accidental A/B test revealed why 95%
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The Great Statistical Engine Wars: How A/B Testing Platforms Actually Make Decisions
Atticus Li, Manager, Conversion Rate Optimization & UX, Fortune 150 Company
After recently leading my team through the complex process
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The $Million Statistical Mistake: Why 95% Confidence Doesn't Mean What You Think It Means
By Atticus Li, Lead Conversion Rate Optimization & UX at NRG
Our 14-month accidental A/B test revealed why 95%
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The Myth of Finding Your Passion—and What to Do Instead
The question looms over every high school student like a storm cloud: "What do you want to do with
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A Practical Guide to Experimentation: When to Use A/B, Multivariate, Bayesian, and Other Testing Methods
Companies today face constant pressure to iterate and improve. But deciding how to run experiments—whether through A/B tests,
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Beyond Traffic Numbers: Why Conversion Quality Makes or Breaks Your A/B Tests
As a new marketing analyst or non-technical stakeholder in the optimization world, you've likely heard the phrase, "
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When Winning A/B Tests Become Your Biggest Risk: A Framework for Enterprise Experimentation and CRO Teams
When Winning A/B Tests Become Your Biggest Risk: A Framework for Enterprise Experimentation and CRO Teams
Enterprise experimentation and
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A/B Testing Made Simple for Designers: Why Better Design Doesn't Always Mean Better Results
The Design Quality vs. Business Impact Disconnect
Your beautiful redesign just tested flat. Here's why that doesn'
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How to Choose Between One-Sided and Two-Sided Tests: A Complete Explanation
By Atticus Li, Head of Conversion Rate Optimization & UX at NRG Energy
Understanding the "Default Test Type"
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How to Answer The #1 Question Stakeholders Ask Analysts
Learn how to effectively answer "What does this mean for us?" with actionable insights that connect data to
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The Data Analyst's Journey to Marketing Analytics Mastery
The Problem: You Have Data Skills, But Need Marketing Context
You've mastered Excel, can build dashboards, and know
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11 CRO Best Practices That Kill Conversions | Stop Following These Myths
By Atticus Li, Lead Conversion Rate Optimization at NRG Energy
You're following expert advice. Reading the latest CRO
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A Practical Guide to A/B, Multivariate, Bayesian, and Other Experimentation Methods—When to Use What (and When Not To)
Companies today face constant pressure to iterate quickly. But knowing what to test, how to test it, and which method
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Preference Creep: The Silent Killer of Experimental Impact
As experimentation professionals, we're constantly walking the tightrope between data-driven optimization and maintaining clean, intuitive user experiences. But
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The #1 Mistake New Marketing Analysts Make: Confusing User Metrics Across Platforms
Learn how to properly interpret unique users, visitors, and sessions across different analytics platforms. Avoid the #1 mistake that derails