To open a new tab:

Choose File > New Tab, or press Command T.
If the tab bar is visible and you have it enabled in the Preferences, you can also use the small + button on the tab bar to add a new tab.
Selenium supports tabbed browsing to allow you to view multiple websites at once.
Choose File > New Tab, or press Command T.
If the tab bar is visible and you have it enabled in the Preferences, you can also use the small + button on the tab bar to add a new tab.
Right or control click on the link, and choose Open In New Tab in the contextual menu.
If you have it enabled in the Preferences, you can also hold down the Command key while clicking a link to open it in a new tab.
Choose File > Close, or press Command W.