Double-click the Home button to show your most recently used apps. Swipe right or left to find the app that you want to close. Swipe up on the app's preview to close the app.
Close an App or Program With the Alt + F4 Keyboard Shortcut. You can also use the Alt + F4 keyboard shortcut to close an app or program on Windows. To do so, switch to the app or program that you want to close and press Alt + F4 together on your keyboard to close it.
Open Settings > General. Tap iPhone Storage, select Safari from the list of apps, then tap Website Data. Tap Remove All Website Data at the bottom of the screen, or delete an individual site's data by swiping left and tapping Delete.
You should only close an app in the quick-launch screen if it is "misbehaving" - not working right, or if it is using energy (as per Settings/Battery) and you don't need it at the present time. There are several reasons you should not close apps.
To speed up your iPhone, learn how to clear your cache and how to clear cookies on your phone instead. That said, closing all tabs on your device is still the best practice, and here's why: Keeping dozens of tabs open in your browser can leave you feeling overwhelmed.
Close a tab: Place the pointer over the tab in the tab bar, then click the Close button on the left side of the tab. Close all other tabs: Control-click the tab you want to keep open, then choose Close Other Tabs. Close all tabs to the right: Control-click a tab, then choose Close Tabs to the Right.
Clearing your cache gives the browser a new start, which can speed up your web surfing, even on iOS 16.5 or the upcoming iOS 17. (And if you're trying to get your phone to run faster, try managing your iPhone's storage.)
