FBlock
Simply block sites based on a blacklist. Enter domains to be blocked, include only domains. Ex: news.ycombinator.com INFO: This addon does not stop requests to blocked domains, only stops the user from viewing the content.
Nissun utent
Simply block sites based on a blacklist. Enter domains to be blocked, include only domains. Ex: news.ycombinator.com INFO: This addon does not stop requests to blocked domains, only stops the user from viewing the content.