Originally Posted by jayeff

The second is that (although there are sometimes ways around it) old-style HTML is mostly coded in linear fashion. Given the most common layout with navigation on the top or left, search engines see your site in a quite different way than ideally you want. Some spiders may never even reach your content and headlines. But CSS allows you to place your content at the top of the HTML so it gets the prominence it deserves (and although this may not apply to many porn surfers, that also makes your site layout more "natural" for those who do not use mainstream browsers).