Likes, Subscriptions and Comments , they are the salt in the soup of the YouTube ranking.
Since these are user reactions, YouTube can derive the attractiveness of your video or channel.
Was formerly a main focus on the subscriptions, so are now Watchtime, likes, comments and your reaction to comments in the foreground.
The following relationship between views, subscriptions, likes and comments seems appropriate:
1000 Views -> 80% Watchtime -> 500 Likes -> 50 Comments -> 25 Subscriptions.
With this you are able to create a perfect action plan.
Here are our views, likes, subscriptions and comments.