From: "Peter Münster" <pmlists@free.fr>
To: ntg-context@ntg.nl
Subject: Re: Bad PDF to text crawlers
Date: Wed, 19 Aug 2015 23:35:05 +0200 [thread overview]
Message-ID: <87bne3m06u.fsf@free.fr> (raw)
In-Reply-To: <20150819210551.GH26883@kip-desktop> (Kip Warner's message of "Wed, 19 Aug 2015 14:05:51 -0700")
On Wed, Aug 19 2015, Kip Warner wrote:
> I was thinking that there must be some way of tricking these bots,
> depending on how they are implemented, and let's assume they will always
> find the PDF, to get them to extract only a small invisible layer that
> just contains some hidden text directing a user to the location to
> download the original high quality ConTeXt PDF.
Even if you would find a way today, tomorrow there would be other bots,
that see the same text, as the humans.
> Any suggestions?
Get the value of HTTP_USER_AGENT and send the replacement text, if the
agent is a bot. Or use robots.txt.
--
Peter
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next prev parent reply other threads:[~2015-08-19 21:35 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-19 21:05 Kip Warner
2015-08-19 21:35 ` Peter Münster [this message]
2015-08-20 16:43 ` Kip Warner
2015-08-20 17:57 ` creating multirow curly brace in tables to symbolize row span Henry House
2015-08-20 18:05 ` Aditya Mahajan
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