There's really no short cut to this. Unless you signed up for one of those programs that will rotate ads on your site automatically, you should try to fit the banners and links you display on your site to the audience that you expect your site to attract. For example, if your site is about education, put up advertisements and banners that would interest people who come to your site. Choose advertisements that would interest them. Note that this does not mean that you exclude all other types of advertisements.
Some ads are general enough to appeal to many types of audience.
The trick of course is to figure out what your target audience will like. It's not as easy as it might seem. Do Better Let's face it. When we go to a physical shop to get something, we expect to pay money for the goods we obtain. But when we go to a website, we bring with us a different mindset.