Optimizing Older YouTube Videos

Hey everyone,

I'm working with a client who has a backlog of older videos they want to optimize. We already have a strategy in place for their videos going forward but I'm sitting on this pile of 20 ish that we have already agreeded to help out on. I have a good deal of ideas for what to do but I wanted to see if anyone could offer a suggestion for things I might be missing.

What I have thought of so far: -Optimizing Video Titles for the target keywords -Optimizing the Video Descriptions for target keywords -Including links in the description to relevant pages on the site for each video -Adding Tags, categories, and transcripts -Adding Clickables to each video where appropriate (Subscription button, channel information, -Adding CTA's to the end of the videos

Ultimately the issue is that many of these videos are highly brand specific so I'm hitting a wall somewhat for additional suggestions. If anyone can think of anything I missed let me know. Thanks for your help guys!