org.zkoss.zul.client.rod
From Documentation
Property:
org.zkoss.zul.client.rod
Default: true [Enterprise Edition] [since 5.0.0]
It specifies whether to apply Client Render on Demand. This property is not used for Grid and Listbox.
Notice that you can enable or disable this feature a particular component and all its descendants by specifying a custom attribute called org.zkoss.zul.client.rod
.