July 13, 2017 — Web developers spend their days writing hypertext, but, byte for byte, most of the web is composed of images. It is hard to overstate the effect that images have on the average web page’s performance; faster websites have broader reach and a higher impact. The first and most … Read More…

September 29, 2016 — Four years ago, Jason Grigsby asked a surprisingly difficult question: How do you pick responsive image breakpoints? A year later, he had an answer: Ideally, we’d set responsive image performance budgets to achieve “sensible jumps in file size.” Cloudinary built … Read More…

May 14, 2014 — On Monday, we published an article on Picturefill 2.0, a perfect polyfill for responsive images. Today’s article complements Tim Wright’s article and explains exactly how we can use the upcoming <picture> element and srcset, with simple fallbacks for legacy … Read More…