What are categories and how are they assigned?
Categories are classifications assigned by RescueTime, with the default category of a site or app defaulting to the most popular category. For example, if most users categorize Facebook.com as "Social Networking, General," that will be the default category.
RescueTime tries it's best to provide good defaults, but there are bound to be cases where a default category or productivity score doesn't match your experience with a particular website or application.
Changing Categories for a website or application
You can quickly change the category or score of an activity. For example, if you use Facebook primarily as a communication tool, you could re-categorize it at "Communication & Scheduling, General" and give it a productivity score of "very productive." You can do this from any activity report.
Hovering over the name of the activity will make the pencil and paper icon on the far right appear. Clicking on the icon will open the editing dialogue. You can then can change the category or productivity ranking for the activity.
There are two deletion options. Either you can delete just the amount of time that is reported for the time span you are viewing, or you can eliminate all time for the activity and prevent future recording. Activities can be "unignored" from the "Privacy settings" page to resume logging if you change your mind in the future.
You can also choose to create custom categories. Note that if you use applications that are not commonly used by other RescueTime users, you might have apps and sites that have no categories.