uBLOCK Origin and ONLY on Firefox can stop a new technique that is being used to track you that even adblockers can't stop. It's so much worst. Do you remember Firesheep? They can now steal all your cookies including your session cookie and login as you on sites like Facebook.
If you want to know more Read https://arxiv.org/pdf/2102.09301.pdf

Real lifesaver. Equals couple of Valiums when peace of mind is concerner.

This is one of the best, if not the best Firefox add ons there is. It's blocking capabilities are astounding, and couldn't make me happier 5/5 stars! :)

Much better than AdBlock Plus