Explore the intricacies of CSS transitions and animations in this insightful conference talk from CSS Day 2014. Delve into browser implementation techniques, optimization strategies, and future possibilities for enhancing CSS animation performance. Learn how to leverage these optimizations effectively and verify their successful implementation. Gain valuable knowledge about DOM and frame trees, tradeoffs in animation design, and techniques like step skipping and coalescing. Discover the power of compositing and its impact on performance. Master the art of experimenting with and profiling CSS animations using call stacks. Equip yourself with the skills to address performance-related questions and create more efficient, smoother web animations.