Safari Tabs preferences on Mac
Use Tabs preferences in Safari to choose how pages, links, and tabs work in Safari windows. To view these preferences, choose Safari > Preferences, then click Tabs.
Open pages in tabs instead of windows
Choose one of the following:
⌘-click opens a link in a new tab
Change what the listed shortcuts for opening links do.
When a new tab or window opens, make it active
New tabs or windows open in front of the one you’re currently viewing.
Use ⌘-1 through ⌘-9 to switch tabs
Use keyboard shortcuts to select one of the first nine tabs in the tab bar.
Show website icons in tabs
Include the icon for each website along with its title.