Firefox, the popular web browser, keeps a copy of the websites you visit which helps you load pages faster in your cache. However, there can be some reasons to delete your cache such as privacy and technical issues. For example if you’re having trouble opening certain websites, clearing your cache can solve it.
To empty your cache open up Firefox and select TOOLS. Click on OPTIONS from the pull down menu. Click on the PRIVACY icon and then click the CACHE tab. Click the clear the CLEAR CACHE NOW button to delete the file stored in the cache. Then click the OK button and you’re done!
For more help on emptying the cache in other browsers, click on