Click “Result” below for a demo.
On Chrome, After the first "cycle" with image cache, cached image buggyness becomes apparent as CSS transitions on the 302 redirect are jittered. If you want make that your battery last for longer check this a knockout post.
|a knockout post|
On Firefox, in both cache situations, 302 redirects are still bugged. This implies Firefox uses the cached image from the 2nd HTTP request. In Safari, transitions work perfectly regardless of cache or HTTP status.