To track keywords for a YouTube video or channel, you'll need to add the URL of the exact video or channel you're tracking by clicking the blue (+) Add URL button at the bottom-left corner of the front page:
You'll need to add the URL in either of these formats:
Upon adding the URL, you can choose to track these URLs for their organic ranks on YouTube and Google respectively by selecting the preferred Search Engine:
Note: Currently, this feature does not track Video Snippet ranking at Google. It's on our roadmap, and we'll be adding it soon.