Qa Articles — Atticus Li

Atticus Li

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Qa

Articles exploring qa through the lens of behavioral science and experimentation. Practical frameworks for growth leaders who measure in revenue, not vanity metrics.

2 articles

optimizely Mar 31, 2026 11 min read

Why Optimizely Data Doesn't Match Google Analytics (And How to Fix It)

Optimizely and GA4 will never show identical numbers — and that's expected. This guide explains the 5 root causes of discrepancies, how to audit each one, and when a discrepancy signals a real problem vs. normal variance.

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optimizely Mar 31, 2026 10 min read

How to Run an A/A Test in Optimizely (And What It Actually Tells You)

Most teams skip A/A tests and only realize the mistake after shipping a 'winner' that quietly reverses. Here's what an A/A test actually validates, how to interpret results, and the 5 things it catches that you'd never find otherwise.

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