Recently, we came across a brilliant interview on “How to linkbuild” – and answering questions like these:
What are the three most important criteria a search engine robot might consider when it is evaluating an inbound link?
How does PageRank play into natural search rankings and what does PageRank really mean?
Once you’ve established SEO best practices for internal linking procedures, is it worth the time to go back and adjust the entire website? Or should you just move forward with these new practices?
How does the actual text in a hyperlink play a role in SEO?
Will I be passing link value to my competitor if I link out to their website?
From an SEO point of view, when is it advisable to link out to a resource, and will linking out actually help my natural search rankings? If so, can you explain why?
For a under the hood discussion to find answers to these questions and many more articles, please look at this linking article.
Also, as a refresher – make sure to read the “Top Ranking Factors” (SEOMOZ) official document, you’ll understand better how to balance onpage and offpage (links) factors for optimum ranking.