WPO Basics

by Kimmo Puputti

Web Performance Optimization

(mostly frontend optimization)

Why?

Performance Golden Rule:

"80-90% of the end-user response time is spent on the frontend."

Bad performance:

• Reduces users
• Reduces revenue
• Is unprofessional
• and...

JavaScript: The Good Parts (2008)

High Performance Web Sites (2007)

Essential Knowledge for Front-End Engineers

Even Faster Web Sites (2009)

Performance Best Practices for Web Developers

High Performance JavaScript (2010)

Build Faster Web Application Interfaces

How?

• Read the books
• stevesouders.com
• YAHOO! best practices
• YSlow
• Page Speed
• HTML5 Boilerplate (+mobile)
• My thesis about mobile HTML5 performance

(Yes I made my own slide framework perkele.js for this presentation :P)