One of the reasons for my interest in site performance is because these techniques become even more important when developing for mobile. Google published some recent evidence supporting this belief.
“We saw something similar after we launched an updated interface for Gmail on the iPhone during MacWorld earlier this year. Lots of iPhone users tried the new interface (hence the bump in Gmail pageviews between January and February), but they didn’t stick around like we hoped they would. Over the course of the next few weeks, we made some tweaks to drastically improve the speed of the product, and Gmail pageviews on the iPhone not only stabilized, but began to rise, as the graph below shows:”
