I found this page from the Mozilla developer site. Hope someone will find it useful. It explains the Link Prefetching property of some browsers. http://developer.mozilla.org/en/docs/Link_prefetching_FAQ#What_is_link_prefetching.3F Also check the following page to check whether your browser supports prefetching or not http://gemal.dk/browserspy/prefetch.php
Nice find, its about time I caught up on prefetching, just wondering, do forums use prefetching?, if they dont, it would be soo beneficial.
If forums start using prefetching, it is going to have a affect their bandwidth greatly. Because, there will be a large number of threads. Presently google uses prefetching for its result pages. You can see more about it here http://www.google.com/intl/en/help/features.html#prefetch