Lil Waldner tells us “How To Test A Keyword For Success”. She explains the processes needed in order to find good quailty keywords that get traffic to your site. She also names some good, free tools you can use to find and test your keywords.
“You need to find out what people are looking for on your website. What are the relevant terms to search for the information or offers on a certain website?”
“You will create a list of keywords and you will need to test how popular and useful they are. You may use these keywords on your website, within the meta tags and in the description and keyword list of your submissions to directories and search engines. The internet offers some useful and free tools to test them. Testing keywords is recommendable.”