This is one of the easiest ways to make money with a blog, you can resort to advertising banners, promotional videos, CPA, pop unders, sponsored links, use the services of advertising agencies, among others.
The most popular advertising network belongs to an industry giant and its name is Google Adsense, with which it is possible to monetize your blog. Although it dominates much of the advertising market, it is not the only profitable company and can sometimes be a bit strict with its policies.
Having several agencies of this type allows you to generate more profits, but with a lower risk than if you depended on just one. To help you with this, we will mention some of the best ones available on the net.