This document discusses advanced mobile optimization techniques for websites and applications. It provides background on companies targeting US and European mobile users. It describes experiments delaying HTML delivery and monitoring impacts. It also discusses the complexity of mobile delivery compared to desktop and how the mobile cache can be optimized. It proposes techniques like scriptable caching tracked by user, deferring or canceling third-party scripts, using SPDY protocol, dynamically resizing images based on device, and dynamically adjusting payload based on connection type and latency. The goal is to measure success and determine how to make mobile experiences faster.