
The effect of this is to make uBO on Firefox the most efficient at blocking 3rd-party trackers relative to other browser/blocker pairs: CNAME-uncloakingĪbility to uncloak 3rd-party servers disguised as 1st-party through CNAME record. This document explains why uBO works best in Firefox. Read carefully if using uBO/webext on legacy Firefox.The removed element reappears when you reload the page.Software known to have uninstalled uBlock Origin.Doesn't uBlock Origin add overhead to page load?.

Does uBlock Origin block ads or just hide them?.Overview of uBlock's network filtering engine: details.Overview of uBlock's network filtering engine.Medium mode (optimal for advanced users).
