14. Add tags that will apply to most of your videos — Tags help people find your video when searching on YouTube. Proper tagging can help increase monetization of your videos. Some suggested tags would include your artist name, any common misspellings, and popular keywords associated with your genre. Make sure tags with more than one word are enclosed in quotations, and don’t use commas. Avoid overly generic tags or tags that are not relevant to your video. Create your default tags here http://www.youtube.com/account_defaults.
All channels should absolutely, 100% have a featured video. This video will be placed prominently in the top and near-center of your channel. When users click to it, it will auto-play, catching their attention immediately. This lets you choose how you want to introduce yourself to your viewers. This is particularly important, because the description of your business doesn’t appear on your first page.
If you are filming your video with a phone, be sure to turn it sideways and film in landscape mode. This will prevent awkward cropping or framing when you upload the video to YouTube, which natively supports the landscape format. No matter what you’re filming with, these tips can help your video to look professional and stay engaging for your viewers.
“A series playlist allows you to mark your playlist as an official set of videos that should be viewed together. Adding a video to a series playlists allows other videos in the playlist to be featured and recommended when someone is viewing a video in the series playlist. YouTube may use this information to modify how the videos are presented or discovered.”