How long should a mobile friendly story be?
Keep Videos to 15 Seconds or Less
When it comes to deploying video content on social networks (and taking into account people's attention span as they scroll through their feed at a high rate of speed) the shorter the content, and more precise the messaging, the better.
What is a mobile friendly?
Mobile-Friendly Design
A mobile-friendly website is one that is designed to work the exact same way across devices. This means that nothing changes or is unusable on a computer or mobile device. Features like navigation drop-downs are limited, as they can be difficult to use on mobile.