Rated 3 out of 5 stars

I was using this addon since RequestPolicy's death. Now Quantum killed this addon.
For other people finding an alternative, I am trying "3P Request Policy" and it's good.

https://addons.mozilla.org/en-US/firefox/addon/3p-request-blocker/

This review is for a previous version of the add-on (1.0.beta13.2).