MacReviverįor another way to optimize and maintain your Mac, try our application, MacReviver. Now that you know the benefits and drawbacks to clearing your cache, you can determine for yourself whether it’s necessary. Click Apple + R to reload the cache for the current page. Without a cache to load pages from, pages may load incorrectly. Clearing the Safari cache can make web pages load strangely at first.Restarting after a System Cache will take a long timeĪfter running a purge of you System Cache, it will take a long time to restart your Mac the next time, as it has to rebuild the cache.If you delete the cache, OS X might think the file is malware again.

Once you approve an app, that approval is stored in the cache. OS X versions from Tiger onward include features to protect users from malware, such as File Quarantine. File Quarantine may run for that application again.This will cause significant performance drawbacks for that application until it rebuilds your cache. You delete a cache for an app, then want to use that app again.Though clearing a cache can save space and make it more useful to calculate memory usage, it can also have significant drawbacks. Click Clear History (Mountain Lion or later.However, it will not really speed up your Mac.Ĭlearing the cache in Safari can gain you back significant space, and can also help guard against security or identity theft issues. Type this into the terminal to go to the Caches folder.Ĭlearing the system cache can have minor benefits, such as allowing you to see exactly how much RAM your applications are truly using. Delete the entire folder by clicking it and pressing Command + Delete.Sometimes the app name will be preceded by “com.” Press Command + Shift + G to open up the Terminal.To remove the user cache for a specific application:

Those files aren’t necessary anymore and take up a lot of space. If you haven’t used an application in awhile, or if you’ve uninstalled that application, it’s a good idea to delete the cache for that specific app. User CachesĮach application in OS X stores a lot of cached data, meaning it stores useful information for running that application faster and more smoothly. Clearing your Cacheĭeleting a cache on your Mac can save you gigabytes of space or help you better keep track of your memory, depending on the type of cache, but there are benefits and drawbacks to doing so. These tips are meant to help you to better repair, optimize and maintain your Mac. Welcome to a series of Mac-specific optimization articles.

How to clear cache memory on mac