We use a different domain for uploaded files. Example: http://andy.files.wordpress.com/2011/01/walkingdesk-e1294433910272.jpg http://andy.files.wordpress.com/20

We use a different domain for uploaded files. Example: http://andy.files.wordpress.com/2011/01/walkingdesk-e1294433910272.jpg http://andy.files.wordpress.com/2011/01/walkingdesk-e1294433... This way we can direct those requests to services better designed for serving and caching static files. We use NFS for blogs.dir (iirc) but sparingly.