If you want to support financially myopenhab.org, become a member of https://www.openhabfoundation.org/
See here how: Ready to join the openHAB Foundation?
They pay all the expenses for maintaining the forum, demo, website, myopenhab servers, as well as events, etc
From what I know, the infrastructure maintenance team is already working to scale up the myopenhab platform by adding more computing power to handle the increased load.
Ps: You will also get that cool smiley next to your avatar! 
