Safari is the default browser on iPhones and you can clear your Safari cache in a few short steps. Starting with iOS 11, following this process will affect all devices signed in to your iCloud account ...

Every website you visit installs trackers onto your computer and slows it down subtly. These are called cookies and cached data, which work to track your activity if you regularly visit the same site.

A cache is a special storage space for temporary files that makes a device, browser, or app run faster and more efficiently.

There are three main ways to clear cache in a Windows 10 computer: temporary files cache, File Explorer history, and browser cache.