via @devinsays Real-world connection simulator and bandwidth limiter for OS X
performance
Slowy app
Effectively managing memory at Gmail scale
Easy app metrics with Pup
Could be a good tool for displaying metrics collected by StatsD.
Stylesheet Download Tests
This page tests “whether today’s browsers will download stylesheets that are referenced with media queries that would not apply on that browser or device.”
Thee appears to be a lot of download overhead with media queries using link elements.
Mobile Battery Performance
via @joemccann