processing power for animated tokens

I've noticed that the fan on my macbook goes mental and the laptop gets hot now that I have animated tokens on the page - are they using much more processor power? it would seem odd if that is the case as they are not running from my laptop but on the roll20 server - anyone else noticed this?

I'm not sure why people think the processing is happening server side.&nbsp; Your computer is very definitely doing the processing.&nbsp; This is why map size and complexity will cause problems for some users and not others.&nbsp; Not all hardware is equal. Edit:&nbsp; A link for info on optimization in case you are interested. <a href="https://roll20.zendesk.com/hc/en-us/articles/360041544654-Optimizing-Roll20-Performance" rel="nofollow">https://roll20.zendesk.com/hc/en-us/articles/360041544654-Optimizing-Roll20-Performance</a>