• We already have smartphones and tablets with high resolution screens, now Apple released the Macbook Pro with Retina display, what makes live a little bit harder for developers to create a satisfying user experience. Robert Fuchs published a “Flowchart: how to retinafy your website”
• Trigger.io created a demo app to demonstrate “How to build fast HTML5 mobile apps using backbone.js, zepto.js and trigger.io”
• Benchmark.js: A robust benchmarking library that works on nearly all JavaScript platforms, supports high-resolution timers, and returns statistically significant results.
• Steve Souders updated some data to prove again “The Performance Golden Rule: 80-90% of the end-user response time is spent on the frontend. Start there.”

(Source: delicious.com)