We'll show you how to automatically open any site you want when you launch Firefox.

Important: If your home page was hijacked or automatically changed, see Refresh Firefox - reset add-ons and settings.

Set or change your home page

Open the website you want to set as your home page.
Click the icon to the left of the web address, drag it to the Home button, and release.
Click Yes to set this as your home page.

Tip: More home page settings are available in the Settings window.

Click on the Firefox button, select Options and then choose the General panel.Click on the Tools menu, select Options and then choose the General panel.Click on the Firefox menu, select Preferences... and then choose the General panel.Click on the Edit menu, select Preferences and then choose the General panel.
- From the drop-down menu you can choose to have Firefox show a blank page on startup or all of your windows and tabs from last time.
- You can also set multiple pages as your home page by opening each in a separate tab and clicking Use Current Pages.

Click the menu button , choose OptionsPreferences and then choose the General panel.
- From the drop-down menu you can choose to have Firefox show a blank page on startup or all of your windows and tabs from last time.
- You can also set multiple pages as your home page by opening each in a separate tab and clicking Use Current Pages.

Restore the default home page

If you want to delete your home page customizations, this is the way to do it.

In the Menu bar at the top of the screen, click Firefox and then select Preferences or Settings, depending on your macOS version.Click the menu button and select Settings.
Select the General panel.
In the Startup box, click Restore to Default.
Close the Settings page. Any changes you've made will automatically be saved.

We have answers:

If you keep getting the "Firefox has just updated" tab every time Firefox starts, see the article Firefox says it's just updated every time it starts - how to fix.
If your home page settings are not saved, see How to fix preferences that won't save.