Re: html prefetching

From: David Luyer <david_luyer@dont-contact.us>
Date: Sat, 01 Jul 2000 13:12:57 +1000

Dancer wrote:

> Yee Man Chan wrote:
> > >
> > > A pre-fetch has no way to know what link might be "expensive" to follow in
> > > terms of resources of the site it is looking at.
> >
> > What I am proposing is to prefetch links referenced by SRC and nothing else.
> > These links are automatically requested on user's behalf, so if they are
> > expensive, users can't avoid it anyway unless they abort.
>
> Not one hundred percent correct. They _may_ be requested automatically on the
> user's behalf. They may not be, also (depending on their browser settings,
> depending on whether there is another proxy downstream of you which may be
> caching some or all of the SRC objects, and depending on whether they click
> through elsewhere before the page has even finished loading)

Or they may be conditional based on javascript.

Many documents use javascript to be self-writing and have dozens of different
forms. I suppost a full HTML parse avoids that one though.

David.

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David Luyer
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Pacific Internet (Aust) Pty Ltd
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Received on Fri Jun 30 2000 - 21:13:03 MDT

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