What to look for in the retention curve, how the first minute is built and why MrBeast videos get watched to the end.

Editing on YouTube is judged by one graph — the retention curve. This is how the people behind the most-watched videos work with it: the MrBeast team’s internal handbook and conversations with Paddy Galloway, who consults for the biggest channels.

Short on time? Start with the MrBeast handbook: nearly every page is about something decided in the edit.