“You know,” said Arthur, “it’s at times like this, when I’m trapped in a Vogon airlock with a man from Betelgeuse, and about to die of asphyxiation in deep space that I really wish I’d listened to what my mother told me when I was young.”
“Why, what did she tell you?”
“I don’t know, I didn’t listen.”
The Hitchhiker’s Guide to the Galaxy
Application profiling is good
Total page latency measure in milliseconds shows time from initial HTTP GET to window.onLoad event. Mobile browsers suffer the worst slowdowns due to slower processors and network latency.