[pmwiki-users] rel='nofollow'

[Henrik Bechmann]

 >>I'm wondering if it's worthwhile for InterMap links to be 
automatically treated differently from other urls, instead of having to 
handle it  specially. Perhaps an $IMapLinkFmt default value for links 
read from localmap.txt or Site.InterMap.

...or farmmap.txt. Works for me.

- Henrik

Patrick R. Michaud wrote:
> On Sun, Sep 10, 2006 at 03:10:41PM -0400, Henrik Bechmann wrote:
>   
>> Thanks so much, Patrick.
>>
>> What you've set up makes perfect sense for most situations, but I happen 
>> to use InterMap as an internal list of repositories, rather than an 
>> external list of references, and I had just noticed that some of our 
>> pages weren't showing up in google, in spite of the fact that we get 
>> crawled quite a lot. 
>>     
>
> Well, just because something is listed as rel='nofollow' somewhere
> doesn't mean it won't show up in Google.  If there are *any* links
> to a page that don't have rel='nofollow', then Google should be
> indexing it. 
>
> In particular, once Google (or some other spider) crawls a 
> RecentChanges page, then all of the pages in a group are candidates 
> for being indexed by Google.
>
>   
>> The config entry you've indicated will I presume solve the problem.
>>     
>
> Yes, I suspect it will.  I'm wondering if it's worthwhile for
> InterMap links to be automatically treated differently from
> other urls, instead of having to handle it specially.  Perhaps
> an $IMapLinkFmt default value for links read from localmap.txt
> or Site.InterMap.
>
> Pm
>
>
>   
>> Patrick R. Michaud wrote:
>>     
>>> On Sun, Sep 10, 2006 at 01:22:01PM -0400, Henrik Bechmann wrote:
>>>  
>>>       
>>>> What's rel='nofollow'? A searchbot directive? 
>>>>    
>>>>         
>>> Yes.  A rel='nofollow' attribute of a link tells a search engine
>>> spider not to give that link any weight when computing search engine
>>> rankings.  The purpose of rel='nofollow' is to prevent spammers from
>>> obtaining any benefit from abusing public sites by posting lots of links.
>>>
>>> One of the original (and best) pages on the topic is at
>>> http://googleblog.blogspot.com/2005/01/preventing-comment-spam.html .
>>>
>>> Note that despite the name, the convention does not say that a
>>> link with rel='nofollow' is not to be followed.  It just says the
>>> link should not be given any weight.  Originally Google and others
>>> still followed links that contained rel='nofollow', they just didn't
>>> give the links any weight.  However, since the convention was first
>>> published Google has since said that its spiders will not follow links
>>> that have rel='nofollow'.
>>>
>>>  
>>>       
>>>> What's the logic of when it is added? 
>>>>    
>>>>         
>>> PmWiki adds the rel='nofollow' whenever there's an external link of
>>> some sort.
>>>
>>>  
>>>       
>>>> How do I change it? 
>>>>    
>>>>         
>>> Change the value of $UrlLinkFmt .  By default $UrlLinkFmt is
>>>
>>>    $UrlLinkFmt =
>>>      "<a class='urllink' href='\$LinkUrl' rel='nofollow'>\$LinkText</a>";
>>>
>>> To eliminate the rel='nofollow', add the following to local/config.php:
>>>
>>>    $UrlLinkFmt =
>>>      "<a class='urllink' href='\$LinkUrl'>\$LinkText</a>";
>>>
>>>  
>>>       
>>>> (I have a lot of links to html pages 
>>>> using intermap which are actually internal to the website and which I DO 
>>>> want crawled.)
>>>>    
>>>>         
>>> It's also possible to change the output format for individual InterMap
>>> entries, thus:
>>>
>>>    $IMapLinkFmt['PmWiki:'] = 
>>>      "<a class='pmwikilink' href='\$LinkUrl'>\$LinkText</a>";
>>>
>>> would set the formatting of PmWiki: InterMap links.  If an InterMap
>>> link doesn't have a custom format set, it uses $UrlLinkFmt.
>>>
>>> Pm
>>>
>>>  
>>>       
>> -- 
>>
>> Henrik Bechmann
>> www.osscommons.ca
>> www.bechmannsoftware.com
>> Webmaster, www.dufferinpark.ca
>>
>>
>>     
>
>   

-- 

Henrik Bechmann
www.osscommons.ca
www.bechmannsoftware.com
Webmaster, www.dufferinpark.ca