What is a good contextual advertising?

Question

contextual advertising

Hello,
what is a good contextual advertising? How would you describe these criteria in an accessible and understandable way to a person who is not familiar with this? Would you use metaphors, if so, which ones?
I would appreciate detailed answers.

Answer 1

My criteria are the following
Analytics:
If all these points are met, then you can include impressions, if not, then no.
This is necessary to see your numbers and optimize. You don't have to fly blind.
The advertising campaigns themselves:
Performance indicators:
Somehow like this. In general, there are still many technical details. Each system has its own features enough.