A computer cache functions in the same way. Think of how you can typically recall a song’s lyrics if you hear it again for the first time in months. The cache is stored on your smart phone, tablet, or computer’s hard drive and helps websites load faster because some of the page’s information already lives in your device.

Typically, a browser will store what are known as static assets, parts of a website that don’t frequently change. This information could include the text from the site or some of the images like logos, backgrounds. Any changes you've made will automatically be saved.When you visit a website, your browser downloads certain information from that site to help it load faster when you revisit it in the future. Click OK to close the Settings for Clearing History window.For more information about other settings, see Delete browsing, search and download history on Firefox.Put a check mark next to Cache and make sure other items you want to keep are not selected.The Settings for Clearing History window will open. Select the check box for Clear history when Firefox closes.

In the drop-down menu next to Firefox will, choose Use custom settings for history.Select the Privacy & Security panel and go to the History section.Click the menu button and select Settings. In the Menu bar at the top of the screen, click Firefox and select Preferences.You can set Firefox to automatically clear the cache when Firefox closes: Next to Time range to clear, choose Everything from the drop-down menu, select Cache in the items list, make sure other items you want to keep are not selected and then click the OK button.Click History and select Clear Recent History….Click the menu button to open the menu panel.Tip: Here's another way to clear the Firefox cache:

How to clear cache mac