Activity Stream Router Preferences browser.newtab.activity-stream.asrouter.* Name Used for Type Example value allowHosts Allow a host in order to fetch messages from its endpoint [String] ["gist.github.com", "gist.githubusercontent.com", "localhost:8000"] providers.cfr Message provider options for cfr Object see below providers.onboarding Message provider options for onboarding Object see below useRemoteL10n Controls whether to use the remote Fluent files for l10n, default as true Boolean `[true Message providers examples { "id" : "onboarding", "enabled": true, "type" : "local", "localProvider" : "OnboardingMessageProvider" } Message format documentation