What about advertising on the site?

Question

Search Engine Optimization

I want to add banner ads to my site in the future. (Website with the series)
How much can you earn on such advertising?
How many blocks per page is optimal?
Search engines underestimate the position of sites with advertising?
Is it better to insert js or iframe with ads?
And what ad would you recommend? (With withdrawal to wm and no minimum attendance)

Answer 1

the best way is competitors

Answer 2

Approximately 1-5 kopecks from each unique user per month

Answer 3

On movie sites it is best to put prerol. Video ads before the main video. Revenue from 0.05 to 0.15 per impression. Of the stable affiliate programs zixe This is the one that I tried and completely satisfied.