Browser Cache

About Browser History and Caching

A cache is a temporary storage area where frequently accessed data can be retained for rapid loading. A web browser cache holds copies of pages that pass through it - all items you have accessed or downloaded from the Internet, including images, sounds, Web pages, and cookies. These items are stored on your computer, usually in the Temporary Internet Files folder.

Why clear your cache?
You may occasionally encounter an error message, a "Page Not Found" display, a "Momentarily Unavailable Message" etc. This could be due to a problem with the system, maintenance, or a number of other reasons. If you decide to go back to this url later, you may see this same message even though the problem is corrected because your browser has pulled the page from your cache.

How to clear your cache:
  1. In Internet Explorer:
    1.    From the Tools menu, select Delete browsing history. If the menu bar is hidden, press Alt to make it visible.
    2.    De-select Preserve Favorites website data
    3.    Select Temporary Internet files or Temporary Internet files and website files
    4.    Select Cookies or Cookies and website data
    5.    Select History
    6.    Click Delete.
    7.    Close all IE windows and completely quit IE
  2. In Firefox:
    1.    At the top of the Firefox window, click on the Tools menu and then select Options
    2.    Select the Advanced panel.
    3.    Click on the Network tab.
    4.    In the Cached Web Content section, click Clear Now.
    5.    Close all Firefox windows and completely quit Firefox
  3. In Safari (Mac OS X):
    1. Click on the Safari menu
    2. Select Empty Cache
      1. A popup will ask you: "Are you sure you want to empty cache", select yes.
    3. Close all Safari windows and completely quit Safari
  4. In Google Chrome:
1. In the browser bar, enter: chrome://settings/clearBrowserData
2. Select the items you want to clear (e.g., Clear browsing history, Clear download history,Empty the cache, Delete cookies and other site and plug-in data).
3. From the Obliterate the following items from: drop-down menu, you can choose the period of time for which you want to clear cached information. To clear your entire cache, select the beginning of time.
4. Click Clear browsing data.
5. Close all Chrome windows and completely quit Chrome


You can set your browser to automatically clear cache, and you can re-size your cache storage to maintain more cached files to speed up performance; this, however, increases the likelihood that you will access stale content.

How to set your browser to automatically clear cache:

Internet Explorer

  1. Click on the Tools menu, click Internet Options. The Internet Options box should open to the General tab.
  2. On the General tab, in the Browsing the Internet section, click Settings, then select Automatically under Check for newer versions of stored pages:
  3. Click OK.
Firefox
  1. Click Tools, Options, then select the Privacy panel. Click Clear History when Firefox closes.
  2. In the History section, set Firefox will: to Use custom settings for history.
  3. Select the check box for Clear history when Firefox closes.
  4. Beside Clear history when Firefox closes, click the Settings button. The Settings for Clearing History window will open.
  5. In the Settings for Clearing History window, click the check mark box next to Cache.