” … Your browser has a folder in which certain items that have been downloaded are stored for future use. Graphic images (such as buttons and icons), photo’s, and even entire web pages are examples of items which are saved or cached. When visiting a webpage your browser checks if a copy of the files on the page is in it’s cache already. If so, it will save the visitor some downloading and make webpages load faster. Some browsers refer to it’s cache as Temporary Internet Files …”

Visit refreshyourcache.com for instructions for each type of web browser