Which company has banned White Nationalism, White Separatism, recently?

Facebook has banned praise, support and representation of white nationalism and white separatism on its platforms. This move had a qualified approval from the recent Christchurch mosque shooting. Facebook will also direct users who post or search content connected to these ideologies to an organization that helps people leave hate groups. Social Media platforms were under pressure and criticisms that they have failed to confront extremism. White Supremacy is defined as a belief system with tenets like "whites should have dominance over people of other backgrounds, especially where they may co-exist; whites should live by themselves in a whites-only society, white people have their own 'culture' that is superior to other cultures; white people are genetically superior to other people.