[jira] Commented: (CONNECTORS-153) Crawler should follow the robots meta tag rules

["Karl Wright (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CONNECTORS-153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12988042#action_12988042 ] 

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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