This document summarizes insights from research into 1,096 YouTube channels and 69,310 videos between November 2016 and April 2017. Key findings include:
1) Channels with over 200k subscribers post more frequently, with 2-3 videos per week now seen as the minimum for success.
2) Videos between 7-16 minutes perform best, getting up to 50% more views. The sweet spot for average view duration is 5-8 minutes.
3) Larger channels get a higher percentage of views within the first day, but channels generating over 2 million monthly views maintain viewership better over time.
4) Suggested videos, watch time, and relevance are more important for viewership than