Hi helgauck, glad to see you on Mozilla Support Forum. Try clearing cookies and site data for that particular website:- * Click on menu icon. * Click on options. * In left pane, you will find Privacy & Security menu, click on it. * You will find an option Cookies and Site data. * In this option, click on Manage Data, a popup menu will be open where you can see list of cached websites. * Look for facebook.com and click on it. * Then,click on clear data. If it doesn't solved your problem, then feel free to ask in Reply Section. Thanks for raising your question in Mozilla Support Forum.