Keyword Analysis

A keyword site that offers a limited amount of free analysis is keyword spy located at http://www.keywordspy.com. This keyword software displays the keywords being used by competitors in their advertising campaigns. It also reveals the search volume as well as the cost per click for each keyword. The free version only displays the research results of up to ‘20’ keywords, but the information is quite helpful. Also download the free plug-in which let you do SEO/PPC  analysis right from your browser.