Today’s digital experiences are complex, combining different data sources, scripts, videos, processes, and other technical pieces, which can produce a silent killer, latency. Using real-world examples and best practices, this presentation explores the myriad forms of latency that can potentially impact the performance of a digital experience, from video buffering to middle-mile optimization, to help participants look past the obvious and solve their own mystery of how latency might be killing their chance to engage with their online audience.