Avoid Frames

You should avoid building sites with frames for a variety of reasons, including the fact search engine spiders have difficulty navigating frames. The basic problem is that search engines are designed around the premise that every URL corresponds to single page. Since a frames site is composed of several pages pulled together by a master page with a single URL, the search engine spider will read only the master page and miss the content.

If you absolutely must build a site with frames, you should read Search Engines and Frames to get tips on making your frames site more compatible with search engines by using the NOFRAMES tag.