In her article Mobile UI performance considerations, Estelle Weyl addresses memory and battery considerations when developing web applications for mobile devices. From embedding CSS and JavaScript into your HTML file (GASP!!!) on first load (and storing the code using localStorage), to minding the DOM and what you CAN’T see in the viewport of a mobile phone, this article is full of great ideas on how to reduce loading and processing times on our beloved tiny devices. A must read.
Get it here -> http://calendar.perfplanet.com/2011/mobile-ui-performance-considerations/