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Nofollow
In the head or the anchor tag
leaseman




msg:4412449
 8:49 pm on Jan 30, 2012 (gmt 0)

In an effort to control page rank, what is the difference between:

<meta name="robots" content="nofollow" /> which is in the head of the page, and:

<a href="signin.php" rel="nofollow">sign in</a> which is in the anchor tag of the link

Do they both accomplish the same thing or are they different

 

penders




msg:4412505
 11:15 pm on Jan 30, 2012 (gmt 0)

They both do the same thing. Except the META tag applies to all anchors on the page. The "nofollow" prevents the link from being followed and therefore prevents page rank to flow.

...control page rank


I'm sure I have read that you should not try and control page rank within your own site by placing "nofollow" on internal links (if someone can confirm this) - if that is your intention. IMO "nofollow" should be used on external links that you do not trust, or links that have been paid for. (Google Webmaster Guidelines on Paid Links [support.google.com])

What is your intention for "signup.php"? If you don't want it indexed then that should be controlled by a "noindex" META tag on the page itself, or blocked by robots.txt.

piatkow




msg:4413056
 2:03 pm on Feb 1, 2012 (gmt 0)


I'm sure I have read that you should not try and control page rank within your own site by placing "nofollow" on internal links

Of course G may have changed the rules again but my current understanding is that the PR due to a link that is "nofollowed" is not redirected to other links but simply thrown away.

penders




msg:4413082
 3:04 pm on Feb 1, 2012 (gmt 0)

Ah OK thanks, so there is simply no benefit to other pages on your site, the page rank cannot be 'shaped' (I think is the term I've seen used). So, I can't see any reason to use "nofollow" on internal page links, when a "noindex" on the page itself is probably the desired outcome. You can't control how external sites are linking to your pages.

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