See the web pages open on your other devices in Safari on Mac
You can view the web pages you have open on your iPhone or iPod touch (iOS 11 or later), iPad and your other Mac computers (macOS 10.12 or later). Make sure Safari is turned on in iCloud settings (on your Mac) and in Settings > [your name] > iCloud (on your iPhone, iPad and iPod touch).
View a web page open on another device
In the Safari app
on your Mac, click iCloud Tabs in the sidebar.If the sidebar isn’t shown, click the Sidebar button
in the toolbar.Scroll to the list of your other Apple devices.
Click a webpage listed below a device to open it.
Web pages in private tabs and windows aren’t shown.
Tip: You can also enter part of the page’s name in the Smart Search field, then click the page in the Switch to Tab section of the search results.
Close a web page open on another device
In the Safari app
on your Mac, click iCloud Tabs in the sidebar.If the sidebar isn’t shown, click the Sidebar button
in the toolbar.Scroll to the list of your other Apple devices.
Control-click a webpage listed below a device, then choose Close Tab.
Hand off a web page between devices
When your iPhone, iPad or iPod touch is near your Mac, click or swipe the Handoff icon near the end of the Dock (on your Mac), on the Lock Screen (on your iPhone, iPad or iPod touch with a Home button), or in the multitasking view (on your iPhone X or later or iPad Pro). The webpage you’re viewing on one Apple device is handed off to the other. See Pick up where you left off with Handoff.
You can’t use Handoff to hand off private windows.