In the olden days you could argue a use for framesets because of HTML’s lousy layout capabilities. Today with CSS positioning being well supported by all the major browsers there is no need to use framesets for just about 99.9% of websites. Why don’t you want to use framesets you ask? Well beginners tend to have trouble creating and using them properly. Framesets tend to make websites more complicated than they need to be and finally they can cause you all kinds of problems with the search engines.