What are the current ways to earn money through advertising on a content site?

Question

Search Engine Optimization

There is a content information thematic site. Subject: electrical and wiring. Advise where to take advertisers on it. What exchanges to use? What types of advertising (banners, contextual, teasers) are now bringing in money? What methods do you use when searching for direct advertisers?
I understand that you can find a lot of things on the Internet through Google, but a lot of material is already outdated. Of course, I know Yandex.Direct and Google Adsense. But maybe there is something more interesting?

Answer 1

Google adsense can bring decently with attendance from 2-3k per day.

Answer 2

Try CPA/Offers.