For instance, Safari will download the images on the webpage into a cache so that the next time you visit the site, you do not need to download the pictures again. You may have heard about the need to clear cache, but-what exactly is cache? Where are they found?Įvery time you use your laptop, it automatically stores chunks of information in a file called cache, which enables it to quickly access the data and reduce the need to obtain data from the source again. And as a result, the efficiency how your Mac operates will be considerably reduced. If you do not clean up your Mac often, your hard disk will become loaded with unnecessary files and caches.