Attempt higher priority fetch (low or high)

Allowed origins to prefetch (empty allows all)

Timeout after which prefetching will occur

The concurrency limit for prefetching

The area percentage of each link that must have entered the viewport to be fetched

The total number of prefetches to allow

Time each link needs to stay inside viewport before prefetching (milliseconds)

Option to switch from prefetching and use prerendering only

Option to use both prerendering and prefetching

Strategy to prefetch.

set opt-in to prefetch only anchor tags containing the data-prefetch attribute set opt-out to ignore only those links with the data-noprefetch attribute set aggresive to prefetch all links