To add bookmarks to the bar:

Go to the webpage you want to bookmark.

Click the Add (+) button.

In the dialog that appears, type a name for the bookmark.

Open the pop-up menu and choose Bookmarks Bar, and then click Add.
The bookmarks bar is a good place to keep bookmarks to webpages you frequently visit. It’s near the top of the Safari window, and has an open-book icon on the far-left.
Go to the webpage you want to bookmark.
Click the Add (+) button.
In the dialog that appears, type a name for the bookmark.
Open the pop-up menu and choose Bookmarks Bar, and then click Add.
To rearrange bookmarks in the bar, drag them back and forth.
To remove a bookmark, drag it above the bar.