Caching stores the most popular Web pages closer to users, so traffic doesn't have to flow as far through a tangled Web.
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Others at the edge of the Web aim to improve the existing system by using caching technology from Akamai and others.
CloudFlare also offers caching, a service that stores static elements on a Web site as close to the customers that are requesting that site as possible, so when someone requests a Web page, it loads faster.
FORBES: How CloudFlare's Free DDoS-Protection Service Is Disrupting the Multibillion Dollar Computer Security and Content Delivery Markets
But caching is effective only if it can keep up with the Web's annual tenfold growth, and that may be difficult to sustain.
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