A/B testing is unsettlingly effective: tweaking a title can massively boost YouTube numbers
StewartalsopIII · x · 2026-10-23
Zach Weiner laments how unsettlingly effective A/B testing is—simply messing with a title or card can dramatically boost YouTube metrics. Scott Stevenson amplified the point with a conversion funnel chart: from 1,000 visits to just 200 signups, dwindling to 20 users by D30, arguing the first step of your funnel matters more than anything else, and everyone underestimates it.
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