Mozilla announced that it intends settings of web browser Firefox add a section for configuring performance. With the new settings is possible to change the parameters on the performance of the user interface of used RAM and others. Experienced users probably know how to limit the number of processes interface in order to reduce the use RAM, but normal users usually do not deal with this functionality. The section "Performance" in your browser settings allows to change the parameters of the browser interface. The user can click on "Optimize Firefox" or choose the default settings.
Slightly Below is an option for manual adjustment process (1 to 7) can be switched off animations and turning the preview web pages.