I try to prefetch some .svg files and then to request them and insert them into the DOM.

looks like prefetching succeeds but the request fails with cross-origin issues because the prefetch tag:

<link rel="prefetch" href="e11efd5ca0332441cf9887c504d647ae.svg?source=isvg">

does not demand cross-origin headers and when we make a reqeust from JS we get the cached response without them:

fetch('e11efd5ca0332441cf9887c504d647ae.svg?source=isvg', {cross-origin-headers})

I use Amazon S3 to store my files but i guess this is a more general issue.

here is the prefetch:

here is the fetch: