作者 Diego Casorran (开发者) 日期 Jan. 3, 2014 · 永久链接

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.