Detailed post on why mobile web apps are slow. Many of the points revolve around:
Here’s the point: memory management is hard on mobile.
For the web devs in the house, this sums up the performance of JavaScript on mobile devices:
It’s comparable to IE 8
When is the last time you used IE 8 for any significant amount of time? Yeah, I can’t remember either.
Long discussion on Hacker News debating some of the individual points. Overall the conclusions still appear to be sound.