A quick and simple tip in regards to increasing your videos SEO rank in search engines. By adding subtitles and captions on your videos in Youtube you can not only help boost it’s SEO rating but increase viewership and gain exposure. If you have content that you think will be benefitial in other languages, by adding subtitles you will greatly increase viewership. In fact Youtube will feature and highlight your videos in other countries. Just some food for thought.
If you’re interested in doing captioning and subtitles, I would recommend watching this video from ReelSEO. They give you a step-by-step guide for doing this process using CaptionTube.