Usage Counter
Usage Counter is a Firefox Extension.
You can download it from the developer’s website or the Firefox Add-Ons site.
This extension provides a times that shows you how much time you’ve spent using Firefox and browsing websites.
After installing the Usage Counter, you’ll notice the timer in your status bar:

Right-clicking on this timer will give you the following menu:

Let’s look at the “Options” window”

You can “Track” (green font) and “Ignore” (red font) individual websites:

Next let’s go back to the timer in the status bar and click on “Statistics”:

You can view statistics on the sites that you are Tracking:
















