Do you have a lot of filters using complex options? That will slow it down a ton.
Marketo's supposed to get faster according to Phil :)
A
Anonymous
April 16, 2013
Hi Monica,
If the issue is ongoing please log a case with support and provide the link to the smart list and we can analyse it.
The following article outlines how to optimize smart lists and gives indicators on filters or configurations that can potentially lead to "long" load times