Amazon S3: Cache-Control and Expiry Date difference and setting trough REST API

Question

I want to enhance my sites loading speed, so I use http://gtmetrix.com/, to check what I could improve. One of the lowest rating I get for \"Leverage browser caching\". I fo

Answer 1

"Amazon S3 Object Lifecycle Management" flushs some objects from your bucket based on a rule you can define. It's only about storage.

What you want to do is set the Expires header of the HTTP request as you set the Cache-Control header. It works the same: you juste have to add this header to your PUT query. Expires doesn't work as Cache-Control: Expires gives a date. For instance: Sat, 31 Jan 2013 23:59:59 GMT

You may read this: https://web.archive.org/web/20130531222309/http://www.newvem.com/how-to-add-caching-headers-to-your-objects-using-amazon-s3/