Preload, prefetch and other link tags: what they do and when to use them · PerfPerfPerf
Following on from Harry’s slides, here’s another round-up of thoserel
attribute values that begin with pre
.
Following on from Harry’s slides, here’s another round-up of thoserel
attribute values that begin with pre
.
Slides from Harry’s deep dive into rel
values: preconnect
, prefetch
, and preload
.
This looks like a very handle little performance-enhancing script: it attempts to prefetch some links, but in a responsible way. It won’t do any prefetching on slow connections or where data saving is enabled, and it only prefetches when the browser is idle.
More details on DNS prefetching, page prefetching and, controversial, page pre-rendering.