Core web vitals Articles — Atticus Li

Atticus Li

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Core web vitals

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

2 articles

core web vitals Apr 7, 2026 9 min read

Core Web Vitals and A/B Testing: Running Experiments Without Tanking LCP

A/B testing tools can wreck your Core Web Vitals. Learn how to run experiments without destroying LCP, CLS, and INP scores that affect your search rankings.

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page speed Apr 7, 2026 7 min read

A/B Testing and Page Speed: How to Test Without Hurting Performance

How to run A/B tests without degrading page performance, covering script loading strategies, performance budgets, and architecture decisions that protect speed.

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