Lambda@Edge

Introduction CloudFront Functions is a feature of Amazon CloudFront that enables developers to deploy and run lightweight JavaScript functions at AWS’s global edge locations closer to the end-users. This functionality facilitates high scalability and low latency and simplifies operations by allowing developers to run code that customizes the content delivered through CloudFront.  When to Use CloudFront Functions?  CloudFront Functions is ideal for simple tasks requiring high request rates and low latency.  These tasks can include a range of activities. Modifying Cache-keys: CloudFront allows you to change certain parts of your HTTP request (like the URL, headers, cookies, and query strings) [...]