Well this is strange…
As stated, I had just downloaded Brave browser and was trying this feature out.
In the “Rewards Summary” box there was a gray box that stated:
“This creator has not yet signed up to receive contributions from Brave users. Any tips you send will remain in your wallet until they verify.
Learn more.”
Under this box is where it had:
“Attention…50%”
If I had known this feature is not typically visible, there would be an image capture of it.
In looking to make sure that this would be a unique active topic, I came across this now dead issue thread:
“What is the difference of ‘viewed’ and ‘clicked’ ads”
And here is the last post for that thread:
And here is what is stated after clicking the link which takes you to “Brave Ads FAQ”:
So it looks like the “Attention %” thing is no longer typically visible and my being able to see it last night was a temporary glitch.