Block Site – Get this Extension for 🦊 Firefox (en-US)
How to Enable Blocked Extensions & Plugins in Mozilla Firefox - YouTube
Popular add-on YouTube Unblocker blocked by Mozilla as it tampers with Firefox security preferences (using user.js manipulations) and downloads and installs an unrelated add-on from an unofficial website : r/firefox
Addons blocked due to security or stability issues · Issue #1294 · WaterfoxCo/Waterfox · GitHub
Mozilla releases add-on to fix disabled extensions in older versions of Firefox - Neowin
How to Block a Website on Firefox Using an Extension
FoxFilter – Get this Extension for Firefox (en-US)
Malicious Firefox Add-ons Block Browser From Downloading Security Updates