I get the following when testing cache
Cache Tester
Test your cached website by clicking the test button below.
Fetching http://pantyhose-n-nylons.com/ to prime cache: OK
Fetching first copy of http://pantyhose-n-nylons.com/: OK (1.html)
Fetching second copy of http://pantyhose-n-nylons.com/: OK (2.html)
One or more page requests failed:
Page 1: 500 (Internal Server Error)
Page 2: 500 (Internal Server Error)
The pages do not match! Timestamps differ or were not found!
I can show you the debug file if you want but it's very long.