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  #16  
Old July 16th, 2007, 12:23 PM
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Hmmmm.... Interesting... so if I no-index, no-follow all the pages of my glossary (total of 27 pages that are all interlinked), except for the glossary landing page (it has all the .edu backlinks), I may see a SERPs bump?

What if pages that you no-index, no-follow have Adsense? Will the Adsense bot go around the command or would the Adsense on those pages be defeated?

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  #17  
Old July 16th, 2007, 12:40 PM
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Quote:
Originally Posted by SEO_AM
Hmmmm.... Interesting... so if I no-index, no-follow all the pages of my glossary (total of 27 pages that are all interlinked), except for the glossary landing page (it has all the .edu backlinks), I may see a SERPs bump?

What if pages that you no-index, no-follow have Adsense? Will the Adsense bot go around the command or would the Adsense on those pages be defeated?


My adsense still shows on pages I have disallowed. I think you have to specificly name the media bot to stop it.

I have this page http://www.navycs.com/blogs/index.php/2006/ URL restricted by robots.txt [?] Jul 11, 2007. still has regular adsense.
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  #18  
Old July 16th, 2007, 05:16 PM
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Quote:
Originally Posted by SEO_AM
Hmmmm.... Interesting... so if I no-index, no-follow all the pages of my glossary (total of 27 pages that are all interlinked), except for the glossary landing page (it has all the .edu backlinks), I may see a SERPs bump?

What if pages that you no-index, no-follow have Adsense? Will the Adsense bot go around the command or would the Adsense on those pages be defeated?


Adsense will not be effected, it is a totally different bot and ignores nofollows.

THat would depend on whether you may get long-tail traffic for the glossary terms. The biggest effect is seen with established sites with high values, instead of spreading that high value among 100 pages you are keeping it within 3-4, this makes those pages look very valuable to Google while if you had link juice going to all 100 Google will assume you valued all 100 the same.
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Last edited by Visio : July 16th, 2007 at 08:44 PM. Reason: grammatical error

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  #19  
Old July 16th, 2007, 06:07 PM
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Quote:
Originally Posted by djstreet
I'm quite interested to know more about your results/evidence because the primary purpose of 'nofollow' is not to prevent internal PR distribution. I can't recall Google ever saying you should use it internally (I can vaguely recall Adam Lasnik perhaps mentioning it). Nofollow is to suggest 'I don't vouch for this link'. A result from that purpose if no PR is passed along. So do you want to 'not vouch' for your own internal links?


Having said that the tests I've done are inconclusive, meaning they have no impact on rankings.....so far as I can see (if used internally).

Edit: Here is a discussion from a while back with some of MC's comments. highrankings

Everything I've read though so far suggests internal use is pretty cloudy.


"nofollow" means NO FOLLOW.
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  #20  
Old July 18th, 2007, 12:34 AM
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Here is our answer finally,

Vanessa Fox commented on a direct question about internal use of nofollow on an official Google blog.

Her comments:

Quote:
the number of nofollow links on a site won't raise any red flags, but that is probably not the best method of blocking the search engines from crawling duplicate pages, as other sites may link to those pages. A better method may be to block pages you don't want crawled with a robots.txt file.
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  #21  
Old July 18th, 2007, 12:38 AM
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Quote:
Originally Posted by djstreet
the number of nofollow links on a site won't raise any red flags, but that is probably not the best method of blocking the search engines from crawling duplicate pages, as other sites may link to those pages. A better method may be to block pages you don't want crawled with a robots.txt file.


I do just that

IMO, it's easy to block pages through the robots.txt rather than nofollowing each and every link that points to that page.

I could also use the Robots META tag, but again, the robots.txt file acts as an index of all those pages that have been blocked.

If in the future, I need to optimize any such page -I just gotta look at my index of blocked pages (robots.txt) and remove the "disallows"
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  #22  
Old July 18th, 2007, 04:57 AM
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Quote:
Originally Posted by djstreet
Here is our answer finally,

Vanessa Fox commented on a direct question about internal use of nofollow on an official Google blog.

Her comments:


Isn't that an oxymoron?

Why on Earth would someone "adding duplicated content" (in the first place) want to prevent indexing?

That's a really dump supposition for the discussion of nofollow use on internal pages... definitely not the sharpest knife in the draw.

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  #23  
Old July 18th, 2007, 05:13 AM
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Quote:
Originally Posted by SEO_AM
Hmmmm.... Interesting... so if I no-index, no-follow all the pages of my glossary (total of 27 pages that are all interlinked), except for the glossary landing page (it has all the .edu backlinks), I may see a SERPs bump?


Ask a dumb question get a dumb answer... "YES"!

huh ...cough... clear throat... and talk out of side-of-mouth... ...other pages will cause you saved more for them!

Quote:
Originally Posted by SEO_AM
What if pages that you no-index, no-follow have Adsense? Will the Adsense bot go around the command or would the Adsense on those pages be defeated?


Use of "nofollow" doesn't imply you don't want Google to crawl - it only states that you don't want Google to crawl threw "these specific links"...

So "IF" all your secondary glossary pages are steadfast #1 for their terms and #2 (and below) ain't ever going to unseat them - you can dial down the weight that is equally shared to them so other pages not #1 for there terms can have the same chance.

Ranks are controlled by "links" you turn some links of the competitiveness of the associate page is decreased...

Obviously, if your ranks are all #1 for every term - you have no need for any strategy.

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  #24  
Old July 18th, 2007, 05:34 AM
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Quote:
Originally Posted by GiorgosK
"Tons of evidence to support it" does not actually help me see the evidence !!!
Any directions or hints or where to find such evidence ?


Unfortunately, I can show a url, and you'll look and see nothing special, I can spend a few hours writting to explain the "evidence" and you'll be no closer than you are now to understanding it...

SO -- for ease of illustration... remove all links "to" your mainpage from every other page of your domain and replace these with javascript links...

Ranks will rise on most subpages and depreciate for the mainpage...

A bit drastic but you see "evidence" quickly enough.

A javascript link - Googlebot cannot intrepret (can't credit)

A nofollow attributed link Googlebot won't credit

..amounts to the same thing... "IF" credit isn't passed to a bunch of different links that doesn't just disappear it gets repurposed to all other links which in turn enhances "link quality" and as you well know (or should) higher quality links pass higher quality.

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  #25  
Old July 18th, 2007, 05:52 AM
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Quote:
Originally Posted by djstreet
because the primary purpose of 'nofollow' is not to prevent internal PR distribution.


The same can be said for "links" .. the primary purpose of Google's PageRank & Link obsession wasn't meant as a means for you enhance your knowledge of so you can increase your ranks -- it was meant as a way of scoring pages for ordered ranks...

Your TV breaks and you throw it in the trash... a TV repair guy comes along, pulls it out, fixes it and sells it to your neighbor... BUT you didn't put it in the trash for someone to pull it out , fix it, and sell it...

That my friend is called 'causality' - relating of causes to the effects they produce... just because you didn't think about something doesn't mean everyone won't.
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  #26  
Old July 18th, 2007, 08:56 AM
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Quote:
Originally Posted by fathom
Ask a dumb question get a dumb answer... "YES"!
Thank you for your dumb answer!

Fathom, I just ignored all those glossary pages that nobody links to; really dumb. Other sites only link to the glossary home/landing page. I agree it was kind of dumb... but you didn't have to tell everyone.

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