Optimisation to eager load regions when outputting events

app/controllers/events_controller.rb

@@ -87,6 +87,7 @@ class EventsController < ApplicationController
     # The 3000 limit is purely arbitrary...
     @events = apply_scopes Event.moderated.order('id desc')
                                 .limit(params[:format] == 'rss' ? 20 : 3000)
+    @events = @events.includes :region if params[:format].present?
   end
 
   # Use callbacks to share common setup or constraints between actions