Back in April I lamented numerous problems and vaguenesses in the current W3C Device Adaptation spec. One of the spec’s editors, Florian Rivoal, contacted me, agreed that the spec had some problems, and explained some of its less clear features to me. In return, I explained some features I think should be added to the spec.
Within about ten mails we had agreed on the features that a future version of the spec should contain. This article summarises our conclusions, and adds a few questions a future version of the spec should answer.
Also, this article serves as a quick overview of where the viewports stand today. Everything described below works in almost all browsers right now, with the exception of the
@viewport syntax. So this is useful reading for every web developer.
Finally, there’s one question that must be answered: If you use (x-based) responsive images on a desktop site, and the user zooms in, should you load the higher-DPR images? The answer is important for defining desktop DPR and