Rated 4 out of 5 stars

per Juvenile el des. 29, 2013 ·

How does it protect privacy ? Can it be used instead of No Referer ??....

This review is for a previous version of the add-on (2.0.1-signed). 

per Diego Casorran (desenvolupador) a gen. 3, 2014 ·

The add-on includes EasyPrivacy and a couple hundred of hand-crafted domains known by tracking users, such as quant server, g analytics, trends live, etc etc

I don't see a relation between that and NoReferer, assuming it just hides the Referrer HTTP header sent to servers.