Search your Reading List: Enter text in the search field above the list of webpage summaries. You may have to scroll to see the search field.
Read the next webpage in your list: Keep scrolling when you reach the end of a Reading List webpage—no need to click the next webpage summary in the sidebar.
Hide webpages you’ve read: Click the Unread button above the list of webpage summaries. Click the All button to show webpages you’ve read in your list. You may have to scroll to see the buttons.
Mark a webpage as read or unread: Control-click the webpage summary in the sidebar, then choose Mark as Read or Mark as Unread.
Note: Safari uses Bookmark websites that you want to revisit in Safari on Mac