There are five main models used for monetization on the Internet, the features of which often overlap one another making it sometimes difficult to determine which model is which.
Advertising is a favored income stream of many people, particularly bloggers and sites offering an otherwise free service or product.
In this model, our income would come almost entirely from other people who are trying to sell their products and services to our visitors.
Advertising is generally only effective on high traffic sites, because most web users ignore a majority of advertising reflexively. We need to put an advertisement in front of a lot of people before we can find people who will click on them.
There are many approaches that we can take to put advertising on our site.