I use a trick to get around that, basically you add a random, changing variable to the URL in a way that doesn't effect it. I use =INT(GOOGLECLOCK()/TIME(0;5;0))&GoogleFinance("GOOG") which should never be the same twice and change every minute at minimum. So put that in a cell, let's say B1, then you would change your formula to be: =ImportXML("http://services.runescape.com/m=clan-hiscores/members.ws?random="&B1&"?clanId=31085&pageSize=15&ranking=51","//span['name']") It will still give the same results, but should force it to stop caching and update every minute.
