There are several guidelines and tutorials to be found on the internet about how to advertise in a proper way. I wrote one aswell, about efficient and user friendly advertising. But there are just a few articles that include the converting of the visitors (to customers).

Photo by Wrote
This takes us to the second part of effective advertising. What to do with all the visitors that enter the website via advertising? What is the page on which the new visitors will ‘land’ and is it properly designed? Read more »
The costs of a advertisement are connected to the position and the frequency of displaying the advertisement. Off course, a banner in het header costs a lot more to display, than a banner in the footer of the same website. More people will notice the banner in the header, so it is likely more people will click on it, causing more income and so the circle is complete.

Photo by audreyjm529
Every website you visit, every weblog you read, advertisements are everywhere. Thinking about it makes me wonder about the ugly and rude positioned advertisements control a lot of sites today. Advertisers do everything they can, to make advertisements as attractive as they can, to make people click on it. But the amount of clicks is also affected by the position of the advertisement. Read more »