CDNs can give an equally fast web experience to your users across the globe.

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A content delivery network (CDN) is a collection of web servers distributed across multiple locations to deliver content more efficiently to users.

The server selected for delivering content to a specific user is typically based on a measure of network proximity.

For example, the server with the fewest network hops or the server with the quickest response time is chosen.

Some large Internet companies own their own CDN, but it's cost-effective to use a CDN service provider, such as Akamai Technologies, Mirror Image Internet, or Limelight Networks.

For start-up companies and private web sites, the cost of a CDN service can be prohibitive, but as your target audience grows larger and becomes more global, a CDN is necessary to achieve fast response times.

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