Search history includes items you've entered into the search field on the New Tab page or into Firefox's Search bar. Form & Search History: Form history includes the items you've entered into web page forms for Form autocomplete.Download history is the list of files you've downloaded that are shown in the Downloads window. Browsing & Download History: Browsing history is the list of sites you've visited that are shown in the History menu, the Library window's History list and the address bar autocomplete list.5 Remove a single website from your history.4 Clear cookies and data for a specific website.3 How do I make Firefox clear my history automatically?.1 What things are included in my history?.