Here's our Internet Explorer Tip for.. November 17, 1997
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Limit your cache size
By default, Internet Explorer creates a folder named Temporary Internet Files in your /Windows folder to store copies of recently visited web pages and images. This "cache" significantly decreases the load time required to view a page the next time you visit a site, since as long as the page hasn't changed, you already have a copy on your hard drive instead of having to retrieve it from the internet all over again. However, this feature comes with a price tag, in disk space.
The default setting is rather strange in that it specifies a percentage of the total hard drive, as opposed to a fixed number. After all, we can specify a fixed amount for a swap file, why not here too? Consequently, the actual amount used will vary from one machine to another. Also, the default is 3%, so depending on the size of your partition where this cache folder exists, this could quickly become a rather large folder. To check your setting go to View, Options - click the Advanced tab and then the Settings button.
You have two choices; you can change the size of the cache or, if your disk space is very limited, you can prevent the cache from updating altogether. To change the size simply move the slider to specify a new percentage. To prevent Internet Explorer from updating pages entirely, click the Never button. Just keep in mind that disabling the cache completely will increase the load time of web pages. Even so, it's probably not a bad idea to periodically do some housecleaning by using the Empty Folder option.