Kartik Prabhu replied to a post on Twitter with Settings (hamburger menu) > Preferences > Privacy & Security > Content Blocking > Manage Exceptions Send me the link to your response (Learn more) Send Replies Eric Meyer replied on Twitter with I’d already gone in there and found ways to remove sites from the list, but not add them. Am I missing something? Kartik Prabhu replied on Twitter with Yeah, you are right! There does not seem to be a way to add a website as an exception this way. I should have checked this before replying. cc: @firefox Ehsan Akhgari replied on Twitter with No you aren’t. That’s not possible through our UI right now.