Mobile Articles — Atticus Li

Atticus Li

Blog · Tag

Mobile

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

2 articles

cta May 1, 2026 7 min read

Mobile vs Desktop CTA Asymmetry: When the Same Test Tells Two Stories

CTA tests routinely produce different results on mobile vs desktop — sometimes opposite directions. Reading the aggregate hides this. The portfolio data shows combined-platform tests have the lowest win rate of any platform segment.

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cta May 1, 2026 7 min read

Does Pinning a Mobile CTA Actually Improve Conversion? (When Sticky Works and When It Doesn't)

Sticky mobile CTAs are reflexively recommended in CRO advice. They help in some contexts and produce noise — or harm — in others. The factor that decides which case you're in is whether the friction the pattern removes actually exists on your page.

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