FB Web Tips

The Right Way to Retinafy Your Websites

By Allan Berger

Making your website ready for Retina display doesn’t have to be a hassle. Whether you are building a new website or upgrading an existing one, this guide is designed to help you get the job done smoothly.


Make it Retina First

The easiest and most time-saving way to add Retina support is to create one image that is optimized for Retina devices, and serve it to non-Retina devices as well.

By now, every modern browser uses bicubic resampling and does a great job with downsampling images. Here’s a comparison of downsampling in Photoshop vs. Google Chrome, using an image from our Growth Engineering 101 website.

Growth Engineering 101

There are two ways to let the browser downsample images for you: img tags or CSS background images.

You can have img tags serve the Retina-optimized image, and set the width and height attributes to half of the resolution of the actual image (e.g. 400

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