The best areas to place advertising can vary from page to page and it depends on the type of content and layout you have. But one element that all websites have in common is a header and it's the first thing that visitors usually see. For that reason, it's a great spot to place advertisements.If you're following the new trend to lay out your site with CSS, you're not using tables. So how do you position the ad in a specific area? Let's learn how to absolutely position an ad!