how to delete mozilla firefox start page

Make sure Autofill form data is checked.Load chrome://settings/clearBrowserData in the browser's address bar.Google changed the clear browsing data dialog recently. Verify that the 'time range to clear' is set to everything.Make sure you uncheck other entries other data sets that you don't want deleted. Make sure 'Form & Search History is checked'.Select the Clear History button on the page.Load about:preferences#privacy in the browser's address bar.You start again with an empty database that will get filled as you use the Web. If you clear the form history anything that you entered in the past is removed. I suggest you verify that entries have indeed been removed by repeating the steps. The Page Up and Page Down keys should work as well to browse the selection of autocomplete entries. Note that you can activate form fields without typing anything by activating the field and pressing the Down-key on the keyboard. Use Shift-Delete to remove it from Chrome's memory.Use the up and down arrow keys to select an autocomplete suggestion.If Delete does not work, use Shift-Delete instead. Use the up and down keys on the keyboard to mark the entry that you want to delete.All you need to do to delete individual suggestions from Firefox's or Chrome's address bar, search bar, or other form fields displayed on sites open in the browsers is the following

How to delete mozilla firefox start page