Medium.com does something similar (blur the image while waiting for it to load), but it appears they have a <noscript> fallback. <noscript class="js-progress

Medium.com does something similar (blur the image while waiting for it to load), but it appears they have a <noscript> fallback. <noscript class="js-progressiveMedia-inner"> <img class="progressiveMedia-noscript js-progressiveMedia-inner" src="https://cdn-images-1.medium.com/max/800/1*vY3BMZ9BrxgkD7je7f-Ckw.jpeg" </noscript>