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Khan Academy’s new engineering principles

The Great CDN Shootout – A RUM Test for Global CDN Supremacy

HTTP Requests are Hard

Simplify your responsive image workflow

Automate Your Responsive Images With Mobify.js

IOS still drives more pageviews than Android

CSS Sprites vs. Data URIs: Which is faster on mobile?

Congress tells Mozilla that blocking 3rd party cookies endangers children

Data URI Performance: Don't Blame it on Base64

On Mobile, Data URIs are 6x Slower than Source Linking (New Research)

Show HN: Instantly improve the performance of (most) sites with one line of JS

13 Stats to Convince Your Boss to Invest in Mobile in 2013

Automatically compress your images and concatinate/minify your scripts

Introducing our Performance Suite for Automating Responsive Images (and more)

70 stunning responsive sites for your inspiration

A Murder Mystery Hackathon

A Beginner's Guide to HTTP Cache Headers

Red state, blue state 2012: iOS vs Android in the USA