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Philip Linde linde.philip at gmail.com

Tue Oct 27 17:54:24 GMT 2020

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On Tue, 27 Oct 2020 13:31:36 -0400John Cowan <cowan at ccil.org> wrote:

Not all clients have human users attached, though. Crawlers and other
automated applications need to make their own decisions when to stop.

Yes, I think its reasonable for a crawler to decide for itself how manyredirects it wants to follow, in the same sense that it's reasonable fora user.

Which reminds me: what is the best thing for such an application to do when
it gets a 1x response?

To interpret the spec strictly, a client should display the query tothe user, and should then request the same resource with the user'sinput included. This is impossible for a client that doesn't interactwith a user, so a crawler should just ignore 1x responses.

This seems like the best approach practically as well. There is no setof standard queries that the crawler can safely interpret to meansomething it can answer.

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