Hi Dayne,
Please keep this in Rejected user agent : under Page Cache of W3 total cache menu
acer\ s100
android
archos5
bada
bb10
blackberry9500
blackberry9530
blackberry9550
blackberry\ 9800
cupcake
docomo\ ht\-03a
dream
froyo
googlebot-mobile
htc\ hero
htc\ magic
htc_dream
htc_magic
iemobile/7.0
incognito
ipad
iphone
ipod
kindle
lg\-gw620
liquid\ build
maemo
mot\-mb200
mot\-mb300
nexus\ one
nexus\ 7
opera\ mini
s8000
samsung\-s8000
series60.*webkit
series60/5\.0
sonyericssone10
sonyericssonu20
sonyericssonx10
t\-mobile\ mytouch\ 3g
t\-mobile\ opal
tattoo
touch
webmate
webos
Hope this helps. Also, make sure you have cleared W3 Total Cache after these changes.