On 09/02/14 06:13, Kudu wrote:
> Hi,
>
> Today, I heard about a JavaScript library called InstantClick
> (http://instantclick.io/). Basically, it's based on the principle that
> latency is responsible for a lot of the Web's slowness. It also
> considers that there are about 250ms between hovering over and
> clicking on a link. Therefore, it starts pre-loading the page on
> hover, and then switches to it via AJAX when the user clicks the link.
> It can also do this on mousedown only, which causes no additional
> server load and still provides a performance boost, according to its
> website, similarly to Rails' turbolinks functionality.
>
> Is there any chance this could work on MediaWiki?
I think Google Web Accelerator used to do this. Interesting to see old
ideas become new again.
function mouseout() {
...
p.xhr.abort()
...
}
A scary concept, considering the way our system handles client-side
aborts. After a configurable delay, recommended to be 50-100ms, the
XHR request starts, then it is aborted if the cursor moves out of the
link. Moving the cursor through a dense list of links to large pages,
like say a talk page archive list, could be quite expensive for the
server.
Maybe if there was a limit on the number of prefetch requests per page
view, it would be less scary. And potentially less expensive for
roaming mobile users.
-- Tim Starling
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