Responsiveness to user interaction is crucial for users of web apps, but bad user experiences abound. Shubhie Panicker and Nic Jansma share new web performance APIs that enable developers to reliably measure responsiveness and correctly identify first- and third-party culprits for bad experiences. They then compare these measurements to business metrics using real-world data.
Third parties offer many benefits, but they also break sites, open security holes, and are often bad for performance. Kristian Skoeld shares proven methods and techniques on how to manage third parties and break through IT and business silos. You'll leave with a list of tools, checklists, and approaches to help you end emotionally loaded discussions and make data-driven decisions.