Yes, the hope is that they will be! That's why we're working on the "Resource Hints" spec, which documents "reactive prefetch" as one of explicit use cases: htt

Yes, the hope is that they will be! That's why we're working on the "Resource Hints" spec, which documents "reactive prefetch" as one of explicit use cases: https://cdn.rawgit.com/w3c/resource-hints/e19f621dad9856a92bf43a06a62489c0058d19de/index.html#reactive-resource-prefetching-preload https://cdn.rawgit.com/w3c/resource-hints/e19f621dad9856a92b... The early feedback from FF, IE, (and to some extent, Webkit), folks have been positive, and I'm hoping this can be a cross-browser feature in 2015 (yes, I'm an optimist).