Ummm... Sorry, I'm not sure but hopefully someone will come along that knows.
In the meantime, different tools can be used to find out how popular different keywords are and how many times they are searched for. Something like this can be helpful:
www.wordtracker.com Here are some links to a few online keyword density analyzers that might be helpful.
www.searchengineworld.com www.keyworddensity.com www.keywordcount.com www.webjectives.com www.ranks.nl I've heard that reciprocal linking is important with Google. Lots of relevant sites linking to you was said to be the way to get ahead.
