Is there a separate report to see the performance of the recommendation engine in Web Personalization/RTP?

Roxann_McGlump1

Yes. There is a daily/weekly Recommended Assets email report that can be configured to be sent to users.

This email report includes all the pieces of content and count of clicks on the Content Recommendation Bar.

To customize which automated email report the user receives, see: Email Reports - Marketo Docs - Marketo User Manual .