From 18:24 to 19:21 UTC The Salesforce Technology team began investigating slow load times on forms, landing pages, and public content. During the service disruption, end users would have been unable to access these assets and a subset of users may have been temporarily unable to access the Pardot service.
At this time, service disruption issues has been resolved and full service has been restored. Please contact Support at http://success.pardot.com
if you encounter any further issues. We sincerely regret any inconvenience you have experienced as a result of this incident.