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https://issues.apache.org/jira/browse/CONNECTORS-153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12988042#action_12988042
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Karl Wright commented on CONNECTORS-153:
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Question: Do you see a need to have interpretation of the <meta> robots tag to
be controlled by configuration? I was thinking it should simply obey that all
the time. The reason you can override robots.txt rules is that people get them
wrong a lot, but it's hard to imagine per-page tags being wrong consistently.
> Crawler should follow the robots meta tag rules
> -----------------------------------------------
>
> Key: CONNECTORS-153
> URL: https://issues.apache.org/jira/browse/CONNECTORS-153
> Project: ManifoldCF
> Issue Type: Improvement
> Components: Web connector
> Affects Versions: ManifoldCF 0.1
> Reporter: Erlend Garåsen
> Fix For: ManifoldCF next
>
>
> The web crawler does obey robots.txt files, but not the robots meta tag
> rules. If a document has the following meta tag included, the crawler just
> ignores and fetches it anyway:
> <meta name="robots" content="noindex, nofollow" />
> I would recommend that the following changes are done in order to improve the
> crawler if one of the "Obey robots.txt ..." options is set:
> 1. <meta name="robots" content="noindex, nofollow" />
> - do not fetch the document at all
> 2. <meta name="robots" content="noindex, follow" />
> - only follow the other links in this document
> 3. <meta name="robots" content="index, nofollow" />
> - fetch the document, but do no follow any link in it.
> 4. Change most of the text that appear on the page for robots option settings
> to something like:
> "Robots.txt usage" => "Robots.txt and Robots <meta> tag usage"
> "Don't look at robots.txt" => "Ignore robots settings"
> "Obey robots.txt for data caches only" => "Follow robots rules for data
> caches only"
> "Obey robots.txt for all fetces" => "Follow robots rules for all fetches"
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