It caches one and displays it multiple times.
If it's slower when there are mulitple instances onscreen, it's because of one or more factors on your computer (eg. browser type, graphics card, processor, etc)
(
mofaha ┐( ˘_˘)┌ ʅ(́◡◝)ʃ,
Mon 17 Aug 2009, 21:48,
archived)
Computer has aids
(
epiphany coming live from sweden,
Mon 17 Aug 2009, 21:50,
archived)