Rated 4.5 out of 5
4.5 Stars out of 5
Be careful with old versions! These versions are displayed for testing and reference purposes.
You should always use the latest version of an add-on.
Version 1.1.0Released Jun 24, 2017 - 6.43 KBWorks with firefox 48.0 and later, android 48.0 and laterBetter initialization to address an issue with accuracy with multiprocess Firefox. Also now you can click the button to refresh the count if it gets off for some reason. (Keeping it minimal means sometimes it can get confused.)
Source code released under Mozilla Public License, version 2.0