Change your home page in Safari on Mac
You can use any web page as your home page, and have it shown when you open a new window or a new tab.
In the Safari app on your Mac, choose Safari > Preferences, then click General.
In the Homepage field, enter a web page address. To simply use the web page you’re currently viewing, click Set to Current Page.
Choose when your homepage is shown.
Open new windows with your homepage: Click the “New windows open with” pop-up menu, then choose Homepage.
Open new tabs with your homepage: Click the “New tabs open with” pop-up menu, then choose Homepage.
To quickly open your homepage in Safari, choose History > Home.