With the recent announcement and release of the Retina Macbook Pro, Apple has brought double-density screens to all of the product categories in its current lineup, significantly paving the way for the next wave of display standards. While the fourth-generation iPhone gave us a taste of the “non-Retina” Web in 2010, we had to wait for the third-generation iPad to fully realize how fuzzy and outdated our Web graphics and content images are.
In the confines of Apple’s walled garden, popular native apps get updated with Retina graphics in a timely fashion, with the help of a solid SDK and a well-documented transition process. By contrast, the Web is a gargantuan mass whose very open nature makes the transition to higher-density displays slow and painful. In the absence of industry-wide standards to streamline the process, each Web designer and developer is left to ensure that their users are getting the best experience, regardless of the display they are using.
Before diving into the nitty gritty, let’s briefly cover some basic notions that are key to understanding the challenges and constraints of designing for multiple display densities.
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