Use rel:dofollow for your internal linking Google has cofirmed that external linking of any kind bleeds PR from the page. Following or nofollowing .
It been over a year Google use it to ranking system. Why tell us now?
Quate
A: For a couple reasons. At first, we figured that site owners or people running tests would notice, but they didn’t. In retrospect, we’ve changed other, larger aspects of how we look at links and people didn’t notice that either, so perhaps that shouldn’t have been such a surprise. So we started to provide other guidance that PageRank sculpting isn’t the best use of time. When we added a help page to our documentation about nofollow, we said “a solid information architecture — intuitive navigation, user- and search-engine-friendly URLs, and so on — is likely to be a far more productive use of resources than focusing on crawl prioritization via nofollowed links.” In a recent webmaster video, I said “a better, more effective form of PageRank sculpting is choosing (for example) which things to link to from your home page.” At Google I/O, during a site review session I said it even more explicitly: “My short answer is no. In general, whenever you’re linking around within your site: don’t use nofollow. Just go ahead and link to whatever stuff.” But at SMX Advanced 2009, someone asked the question directly and it seemed like a good opportunity to clarify this point. Again, it’s not something that most site owners need to know or worry about, but I wanted to let the power-SEOs know.
Quote:matt cutts
“Google itself solely decides how much PageRank will flow to each and every link on a particular page. In general, the more links on a page, the less PageRank each link gets. Google might decide some links don’t deserve credit and give them no PageRank. The use of nofollow doesn’t ‘conserve’ PageRank for other links; it simply prevents those links from getting any PageRank that Google otherwise might have given them.”
If a link on your website is internal (that is, it points back to your website), let it flow PageRank--no need to use nofollow. If a link on your website points to a different website, much of the time it still makes sense for that link to flow PageRank.
The time when I would use nofollow are when you can’t or don’t wxnt to vouch for a site, e.g. if a link is added by an outside user that you don’t particularly trust. For example, if an unknown user leaves a link on your guestbook page, that would be a great time to use the nofollow attribute on that link.
Quote:Danny Sullivan's
http://www.mattcutts.com/blog/pagerank-sculpting/#comment-347553
With this change, I can still get the $4 if I simply don’t allow comments. Or I show comments, but I use an iframe, so that the comment actually reside on a different page. In either case, I’m encouraged to reduce the number of links rather than let them be on the page period, nofollow regardless. If I’m worried my page won’t seem “natural” enough to Google without them, maybe I allow 5 comments through and lock them down after that.
Rather than clarify things, I feel like this is what your post is going to do -- cause people to consciously reduce the number of links they allow on their pages. We’re going to see an increase in iframe usage or other techniques to reduce links and flow more PageRank to the remaining links, for those who really worry/believe in such things.
The above question still not directly answerd.
Google:Use of rel=canonical meta tag
If you have a single product page that can have multiple urls with slightly different parameters, that’s a great time to use a rel=canonical meta tag. You can use rel=canonical for pages with session IDs in a similar fashion. What rel=canonical lets you do is say “this page X on my host is kinda of ugly or otherwise isn’t the best version of this page.
Use url Y as the preferred version of my page instead.” You can read about rel=canonical at http://www.google.com/support/webmasters/bin/answer.py?hl=en&answer=139394. Bear in mind that if you can make your site work without session IDs or make it so that you don’t have multiple “aliases” for the same page, that’s even better because it solves the problem at the root.
Quote From :
mattcutts
Use url Y as the preferred version of my page instead.” You can read about rel=canonical at http://www.google.com/support/webmasters/bin/answer.py?hl=en&answer=139394. Bear in mind that if you can make your site work without session IDs or make it so that you don’t have multiple “aliases” for the same page, that’s even better because it solves the problem at the root.
Quote From :
mattcutts
How Changing Blog Theme effect SEO
Redesigning web sites theme without concerning SEO factors is one of the biggest mistake you can do to your blog .
In many cases.Most web designer make client web sites nearly invisible to search engines.They made your site "pretty" but What most web designer do not include is attention to how search engines will interact with the web site or how a re-design will impact current search engine visibility.
When changing your web site theme, it can affect overall content organization, navigation, these elements will effect the way of web spider crawl your site,The changing web pages and links thus will impact your seo. without redirecting in the right way can be confusing to search engines.
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More SEO tips:
11 SEO Tips Keyword in URL
In many cases.Most web designer make client web sites nearly invisible to search engines.They made your site "pretty" but What most web designer do not include is attention to how search engines will interact with the web site or how a re-design will impact current search engine visibility.
When changing your web site theme, it can affect overall content organization, navigation, these elements will effect the way of web spider crawl your site,The changing web pages and links thus will impact your seo. without redirecting in the right way can be confusing to search engines.
====
More SEO tips:
11 SEO Tips Keyword in URL
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