I have some problems rendering images on internet explorer and I believe this maybe because there is no cache control header set.
How can I set the cache control hea
When you have the properties panel of a S3 object loaded, expand the Metadata and add a Cache-Control header (it's even in the dropdown as an option).
Here's my "before":
And "after":
There are many great resources for the paremeters of the cache-control header. Two of my favorites are this tutorial at mnot and mobify's "beginner's guide to http cache headers".