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Why You Need to Clear Your Cache

Every time you visit a website, your browser stores a ‘copy’ of the page you have visited.  It does this so that when you next visit the site it already ‘has’ the page and can display it more quickly from the cache, which is comparatively faster than fetching it again from its original location, which is comparatively slower.
However, a cache has a relatively small storage size and when it nears or exceeds capacity problems can start to occur.  Also, a web page may have been updated since you last visited it, but your cache may still be showing you the ‘old’ version of that page.
Therefore it is a wise thing to clear your browser cache on a regular basis.

Reminder: It is good practice to clear your cache on a regular basis. The frequency with which you need to do this will depend on how much use you make of your browser, but doing so regularly can avoid certain types of access problems for websites or downloads and prevent your logging helpline calls for issues that can in fact be resolved by clearing your browser cache.

How to Clear Your Cache

The details may differ on different browsers and versions of browsers, but the principles remain the same.  The illustrations given below have been taken using Microsoft Internet Explorer 9.
1.       Open your Tools.  In IE9 this can be done by clicking on the ‘cog’ on the top right hand side of the browser.  Alternatively, if you press the Alt key once, a similar bar to that used by earlier versions of IE (for example, IE8) will appear on the left hand side of the browser under the address bar.
 
tools-cache.jpg
 
(Pressing Alt a second time will cause the bar to disappear again.)
 
Note:  All following illustrations are taken from the use of the ‘cog’, but the same principles apply if using the ‘Tools’ link from the toolbar illustrated above.
 
2.       Click on Internet Options.
 
internetoptions-cache.jpg
 
3.       In the Internet Options window that opens, locate the Browsing history section and click on Delete.
 
 delete-cache.jpg
 
4.       The Delete Browsing History window will now open.
 
 delete2-cache.jpg
 

Recommendations:

 
a.       Preserve Favorites website data: this should be ticked (you can organize/housekeep your Favourites using the tools provided under that function, and you may not want to delete a list that you may have spent quite a while compiling!).
 
b.      Temporary Internet files:  this should be ticked.  This will ensure that the next time you summon a web page you have previously visited (for example, via your Favourites) the browser resummons the latest version of that page.
 
c.       Cookies: this should be ticked. 
 
d.      History: deletion of the list of websites you have visited recently will be your personal preference.
 
e.      Download History: deletion of the list of files you have visited recently will be your personal preference.
 
f.        Form Data: deletion of the information you have typed into online forms recently will be your personal preference.
 
g.       Passwords: this should be ticked.  Please note that, despite the fact that the facility to remember a password is offered by many sites, this can be a potential security risk and it is not recommended practice that you store passwords in this manner.
 
h.      ActiveX Filtering and Tracking Protection data: deletion of this information will be your personal preference.
 
5.       Once you have made your decisions on the deletion options available to you, click on Delete.  The Delete Browsing History window will vanish and you may have to wait a few seconds for the deletion to be completed.  Once it has, you can click OK to close the Internet Options window.
 
Your browser cache has now been cleared of all the types of data you selected for deletion.