In our multi-tasking world, few of us sit down at our computers to watch online videos. In fact, 75% of all video plays are on mobile devices rather than desktops or laptops.

And since we’re watching these videos while we’re on-the-go, a huge number of them are watched with no sound. At work, on the bus, in line at the grocery store — a full 85% of Facebook videos are watched in silent mode.

Adding subtitles is key if you’re going to get your message to the majority of your video viewers. But there are performance benefits to adding them as well. We’re going to dig into all the reasons why subtitles are a necessity — and how to add them to your videos.