A recent study of videos captioned by Discovery Digital Networks showed a 7-15% increase in views to captioned videos, compared to non-captioned equivalents. Genuinely properly studied and controlled to remove any other factors.
Subtitling is not hard. It really isn't. You don't have to do it if you don't want to, but there are many genuine, measurable benefits if you do.
Subtitling is not hard. It really isn't. You don't have to do it if you don't want to, but there are many genuine, measurable benefits if you do.