On a desktop, a pixel was a pixel. You even had an idea of how many pixels made up an average inch: 72 dpi. Nowadays very few people know what a pixel is.
With responsive design, we’ve seen a move towards grids and percentages. But one huge area remains still unchallenged: bitmap images.
Almost all of the web is built with images that have half the resolution of a modern display, and they don’t scale. With Retina displays and modern browsers, the time is right for vector images to become more popular in 2015.
We can see this trend already happening with the font-based icons and Google’s Material design. The website loads faster and scale theicons to any size without losing quality. That makes them ideal for designers and modern web browsers.
The technology exists now, but it will take time for professionals to change their habits to create for higher quality displays. Once the average desktop display becomes Retina-grade (like the new iMac), we expect designers to follow suit.
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