Sometimes websites will not load, function, or let you log in because they are trying to run on old information in your browser's cache. Clearing your Cache will Ensure that these Websites Run Smoothly.

1. Open Firefox Preferences (by opening Firefox > Preferences in the menu bar).
   
    
2. Select the Privacy Tab and click Clear Your Recent History.
   
    
3. In the dialog box that appears set the time to clear to Everything, and under the details tab ensure that Cache and Cookies are selected. Press Clear Now.