Advanced Performance Analysis
with Google Page Speed
Andrew Oates
Google
November 8, 2011
Advanced Performance Analysis
Page Speed Background
- Help developers optimize their web pages
- Products
- Firefox add-on
- Chrome extension
- Page Speed Online
- Page Speed Online API
- AdSense / Publisher Insights new!
Waterfall Diagrams
The problem with waterfalls: they show what, not why
Page Speed - Profiling the Renderer
- Extract browser event data
- Build a model of the page load
- Generate the dependency graph, find the critical path, etc
- Build lots of cool tools!
Critical Path Explorer
Demo/Preview
Demo
Velocity-exclusive Dev Preview
Try it yourself!
http://developers.google.com/pagespeed/?velocity=1
What's Next
- Page Speed rules using the new advanced timeline data
- Predict performance gains from fixing critical path issues
- Starting work with DynaTrace
Thank you!
Andrew Oates
Google
November 8, 2011