What KPIs do you use to measure the success of your events?

The results of Eventbrite’s annual Pulse survey will be out soon. One of the things that stood out was how few metrics planners are using to evaluate the success of their events. Most are just looking at how many attendees there were. Do you measure anything else?

There’s a list on the blog of other KPIs you can easily track to keep tabs on performance. Do you think event organising needs to get more scientific?