Use YouTube’s audience retention graph, TikTok’s average watch time, or Instagram’s reach vs plays ratio. These tell you where people drop off.
Slow pacing, long sentences, passive voice, no pattern interrupts, and content that doesn’t deliver on its opening promise.
Every 60–90 seconds in video content. In written content, every 3–4 paragraphs. Pattern interrupts re-engage wandering attention before it’s lost.