With the continued growth in Net usage, Web caching is becoming increasingly important. In this article I'll discuss Web caching and its importance in site design to minimize costs and maximize scalability and compatibility. Before closing, I'll describe some ideas that may improve Web caching in the near future. First, a quick review of Web caching. The simplest form of caching is just like using an address book that you keep close at hand. By keeping often-used information nearby, you can save time. While you can always find a phone number in a phone book, it's slower and may require you to get the phone book from across the room. Web caching works similarly—a Web cache stores resources that are expected to be requested again.
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