We've tried in this book to present as many free tools as possible to help you with your optimization. Rank Tracker is a paid tool and we've included it because it is tremendously valuable and noteworthy. Rank Tracker is a software tool that can monitor your website's rankings for thousands of terms in hundreds of different search engines. Even more, it maintains a historical ranking data that helps you gauge your progress as you work. It is a valuable tool that is used by many SEO professionals. There is a free version, although the free version does not allow you to save your work (and thus does not let you save historical information). To really harness the power of this software, you'll need the paid version. You can download either version from http://www.link-assistant.com/rank-tracker/. After you install the program, you will be prompted to enter the URL of your website. On the next screen, the program will ask you to input...