Write good titles. Put keywords first and branding at the end. Make sure they are compelling titles.
The video title itself should be somewhat unique and more importantly be relevant, and should contain your primary keyword/phrase first. You could have the word “video” also contained within the title, since it is commonly searched for in Google and other search engines.
Include keywords in your tags and place those most important keywords and keyword phrases at the start of your tags fields. Include common and specific keywords but don’t spam.
Put your most compelling information first in your videos’ description on YouTube and be sure to include plenty of keywords. Make sure you include links to other content you own and any other links that users could use to learn more about you. Also include a recurring keyword tagline.
Utilize the thumbnail option, which will play a very large role in getting visitors to view your profile. Your thumbnail should absolutely be relevant to the purpose of your video. Choosing the wrong thumbnail can hamper your ability to attract viewers.
YouTube’s search algortithm favors videos that link to and drive traffic to other YouTube assets within annotations.
Getting quality back links that go to your video will help significantly in raising your ranking. Make sure that good quality, relevant websites are linking to your video to up your exposure rate as a result.
Social media likes, links and favorites increase your videos rankings in YouTube search.
Publishing videos regularity to YouTube will improve your rankings in the YouTube search algorithm.
More content will lead to more viewership and more rankings in the algorithm. YouTube wants you to keep posting videos to YouTube.
Having your videos listed in playlists improves your content’s rankings in YouTube.
Increase the number of people subscribing to your video. More subscribers means a higher chance that your video will be viewed, which is going to improve your visibility in search engines and your ranking on YouTube as well.
Having a lot of video responses will also help indicate to YouTube that your video is popular and relevant and will help with SEO for YouTube.
Respond to comments in the first hours after the video is published because building comments early helps build rankings in YouTube search.