Firefox Add-ons Adoption And Usage

The core strength of Firefox has been the implementation of add-ons to your browser. So, how many users have installed Firefox add-ons on their system?

Average number of users logging on to Firefox per day : 100 million
Number of pings on Firefox add-ons on the Mozilla server : 32.8 million per day

Roughly 32.8% of Firefox users have at least one add-on installed on their browser.