You can browse webpages by viewing them as separate tabs within the Safari window.
Opening pages in tabs
If you deselect “⌘-click opens a link in a new tab” in Tabs preferences, the Command (⌘) key shortcuts described below will open new windows instead of tabs.
To open a link on a webpage, Control-click the link and choose “Open Link in New Tab.”
You can also Command (⌘)-click the link.
To open a bookmark in the bookmarks bar, Control-click the bookmark and choose “Open in New Tab,” or “Open in Tabs” if the bookmark is a collection.
You can also Command (⌘)-click the bookmark.
To open a previous page, press the Command (⌘) key and click the Back or Forward buttons.
To open the bookmarks list or Top Sites page, press the Command (⌘) key and click the the open-book icon or Top Sites icon.
To open new tabs for most links that would normally open new windows, choose Safari > Preferences, click Tabs, and then choose Automatically from the “Open pages in tabs instead of windows” pop-up menu.
Choose Always only if you want all links that would normally open new windows to open in new tabs, including links designed to open in specially formatted separate windows (for example, a small user name and password dialog).
To combine several open Safari windows into a single window with multiple tabs, choose Window > Merge All Windows.
Opening tabs from the bookmarks list
Click the open-book icon in the bookmarks bar to view the bookmarks list.
In the sidebar, select the collection that contains the bookmarks you want to open. The collection’s bookmarks appear on the right.
If you can’t see the list of bookmarks on the right, drag up on the handle below Cover Flow view.
Select the bookmarks you want to open and press the Space bar.
Bookmarking a set of tabs as a collection
Open the webpages as tabs in a Safari window.
Choose Bookmarks > “Add Bookmark for These Tabs.”
Type a name for the bookmark, choose a location from the pop-up menu, and then click Add.
If you put the collection in the bookmarks bar, you can have all the pages in it open in tabs when you click the collection. Click the open-book icon, select Bookmarks Bar in the sidebar, and then select Auto-Click next to the collection’s name in the list on the right.
Rearranging or moving tabs
To rearrange tabs, place the pointer over a tab and drag left or right in the tab bar.
To open a tab in a different Safari window, place the pointer over the tab and drag it to another Safari window or to the desktop.
Choose Window > “Move Tab to New Window.”
To change your preferences for opening pages in tabs, choose Safari > Preferences and click Tabs.