When should you use Lambda@Edge?

Lambda@Edge is optimized for use cases where all the information you need to make a decision is available at the CloudFront edge, within the function and the request. This means that use cases where you are looking to make decisions on how to serve content based on user characteristics (e.g., location, client device, etc) can now be executed and served right from the edge without having to be routed back to a centralized server.



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