You built a blog or a website, and visitors are starting to arrive. The next question is the obvious one: how do you earn from those visits? One of the most common answers is an ad network . You add a small piece of code to your site, advertisers show their ads there, and you get paid for it. Google AdSense is the best-known option, but it can be strict about approval, especially for new or small sites. That’s why many publishers use AdSense alternatives . In this post we explain how they work, and then go through six of the most popular ones, one by one. How do ad networks pay you? You’ll see three terms again and again: CPM : you earn a set amount for every 1,000 views of an ad. CPC : you earn each time a visitor clicks an ad. CPA : you earn when a visitor does something, like installing an app or signing up. The amount depends a lot on where your visitors live . Traffic from countries like the US, UK or Canada usually pays far more than traffic from other regions. That’s...