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For example, when an image is viewed on a web page, it will be downloaded to the user's PC or device. If this page is viewed again on the same device, it will use the previously downloaded image for quick retrieval, rather than downloading it again. The cache will always have a timeout on it, meaning that after a pre-defined period, the PC or device will look to the server and download the file again just in case it has changed.
Customer Self Service (CSS) employs web caching on various pages, files and templates across the site. Content may be cached based on the user session or role, or it may be cached locally by the user's web browser. A breakdown of each type is shown in the table below.
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