Created by Stoyan Stefanov, 3PO tests social media JS performance (for after we implement the social biscuit… :-):
According to PPK,
window.devicePixelRatio has pretty solid support, at least for all of the browsers that we care about:
Paul Irish addresses a new approach to dealing with the box-model, especially attractive when thinking in terms of responsive design…
iPhone4 iOS 5.1 and NexusS Android 2.3 have now been added as Browser options on WebPageTest:
There are a lot of useful information, I think.
So, maybe soon we’ll be able to at least do responsive background images via CSS, though probably only in Safari…