Lon Ingram - Chasing Waterfalls: Real world Front End Optimization
I am in the beginning stages of an extended effort to improve the initial render latency of a large third-party JavaScript application. This talk will be a post-mortem of that project, with an emphasis on concrete steps the audience can take right away to improve performance. We'll cover:
measurement
reporting
how to identify promising optimization opportunities
performance modeling
how to design an optimization experiment
how to evaluate the results of an experiment
automated performance testing and alerting
war stories and weird tricks (for example, it looks like we will be able to cut 50ms off of our initial render by overriding RequireJS's nextTick method)