See the webpages open on your other devices in Safari on Mac
You can view the webpages 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 preferences (on your Mac) and in Settings > [your name] > iCloud (on your iPhone, iPad, and iPod touch).
View a webpage 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 devices.
Click a webpage to open it.
Webpages 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 webpage 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 devices.
Control-click a webpage listed below the device, then choose Close Tab.
Hand off a webpage 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 device is handed off to the other. See Pick up where you left off with Handoff.
You can’t use Handoff to pass private windows.