Instead, starting from just outside the edge of the screen, swipe from left to right to go back, just like swiping the pages of a Kindle book or an iBook. To go forward, swipe from right to left.
Swipe to close a tab on another device
If all your Macs (running Mountain Lion or later), iPhones and iPads (running iOS 6 or later) are connected to your iPhone account, you probably know you can view all the open Safari tabs on any of those devices, thanks to iCloud Tabs. On an iPhone, for example, you can tap the Tabs button, scroll down beneath the stack of open Safari tabs on that iPhone, and voilà: you'll see the tabs you have open in Safari on your Mac, your iPad, and so on.
So far, so good, but now try this: swipe one of those open tabs from right to left; when you do, a Delete button will appear. Tap it to remotely close the open tab on the other device. It's not always instantaneous — I've seen it take up to a minute, so be a little patient.
Drag down to add a Favorite
If tap the address bar at the top of the screen, a window with buttons for all your Favorite sites will appear. Usually you'd just tap one of those icons to jump to that site, or type a search query or URL into the address bar itself.
But if you pull down on the Favorites window, you'll see two more options new in iOS 8: "Add to Favorites," which adds the current page to that Favorites grid, and "Request Desktop Site," which will request the full desktop version of the current page, instead of its mobile-optimized "skin."
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