Open it up in whatever software you used to make it in to inspect the layers and you'll see :)
You could always optimise it but I prefer chopping the layers manually myself (for future ref b3ta has a 400k gif guideline)
(
hekim 66 ÉŹĘš ŹÉnā² uooW,
Tue 16 Apr 2013, 12:57,
archived)