In order to get PIE to work, you need to use relative links in your CSS
This will not work:
This will work:
The problem with this, is it requires the use of the BASE tag <base href="domain-path" /> if you have pages within folders.
I have some pages that use A (anchor) tags for within document links. Unfortunately, BASE tag does not play nice with within-document links.
This appears to be an IE problem, not a PIE problem. I do not know a workaround, except using Apache ModRewrite.
If anyone has in other solutions, that would be appreciated.