These files typically store user-specific information such as selections in a form, shopping cart contents, or authentication data. You should periodically clear the cache to allow your browser to function more efficiently.Ī cookie is a file created by a web browser, at the request of a web site, that is stored on a computer. What is Cache, Cookies, and History and How Do You Clear Them.Įach time you use a web browser (Internet Explorer, Firefox, Chrome, Safari, etc), the browser saves (or caches) your information so it won't have to retrieve the same files or images each time you click Back or Forward.