Performance Optimization in Ad Delivery Favorites Share By Facebook Blueprint Published: Nov 20, 2020 Duration 5m Difficulty Beginner Rating 1 star 2 stars 3 stars 4 stars 5 stars Average rating: 5.0 1 1 review E-learning Course Started on July 5, 2022. Log In To Launch This lesson will explain how Facebook uses machine learning and pacing to optimize ad performance.