This tutorial presented at the Velocity Confererence (in New York and Barcelona) covers a broad set of performance fundamentals.
Topics such as:
-- User expectations through the ages (or at least the past 40 years)
-- The psychology of performance
-- The impact of page speed on business metrics
-- A brief history of page growth and complexity
-- Demystifying key performance measurement terms
-- Waterfalls 101
-- What is latency (and why is it such a big deal)?
-- FEO techniques: From basic to advanced
-- What makes mobile performance different?