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Explore the intricacies of UI performance optimization in this 44-minute conference talk from performance.now() 2018. Delve into the browser's rendering process and learn how to identify and resolve performance issues in already-loaded pages. Discover which popular UI patterns can negatively impact user experience and how to optimize them. Gain insights on perceived performance, the components of a frame, layer creation, reflows, repaints, and compositing changes. Master the use of browser developer tools such as Performance and Layers tabs in Chrome, and Paint flashing in Firefox to diagnose issues. Examine common performance pitfalls in animations, parallax effects, fixed elements, scrolling events, hover effects, and image handling. Walk away with practical takeaways and resources to enhance your website's performance beyond initial page load, ensuring a smooth and delightful user experience.
