Explore the latest advancements in web performance metrics and measurement techniques in this 54-minute conference talk by Paul Irish at performance.now() 2018. Dive into crucial concepts such as First Meaningful Paint, Speed Index, and Time to Interactive. Learn about the RAIL model, input latency, and the importance of optimizing main thread tasks. Discover how to analyze lab and field data, understand long tasks, and evaluate paint times. Gain insights into CPU impact, page ranking metrics, and hero rendering times. Implement practical strategies for setting up performance observers and leveraging the user timing spec to enhance your web applications' performance.
Overview
Syllabus
Intro
Load
Visual
First meaningful paint
Speed index
Other considerations
Life advice
Main thread tasks
Rail model
Input latency
Smaller tasks
Time to Interactive
First CPU Idle
First Input Delay
First Input Late
Expected Queue Time
Lab Data
Field Data
Long Tasks
Paint Time
Perfumes
Closing Keynote
TTI
First Content Full Paint
CPU impact
Page ranking metrics
User timing spec
Hero rendering times
Setting up an observer
Taught by
Web Conferences Amsterdam
