Imager.js
Responsive images while we wait for srcset to finish cooking
Imager.js is an alternative solution to the issue of how to handle responsive image loading, created by developers at BBC News. There are many responsive image solutions in the wild, srcset, src-n, PictureFill and so on. They are either verbose or hard to debug (and to maintain/integrate). Some of them don't deal well with pixel density and suffer from double asset payload (meaning you end up downloading assets unnecessarily). We wanted something simple, which works and which is fast as well...