So if you’ve decided to optimize your web site or have an agency optimize your web site for you, you will find yourself needing to identify which keywords and keyword phrases will convert best for your business on the Internet. Keywords include all words and phrases which your SEO campaign will target. They are the terms that you want your web site to rank for when a searcher types these words and phrases into the search engines. Individual pages of your web site will be optimized for relevancy to these specified words and phrases.