Link Factors Used in the Algorithm

Link factors include that portion of the Google algorithm that determines page importance, which in turn is primarily dependent on PageRank (PR) – the quantity and strength of links that point to your site . However, the concept of link quality is also an important factor, which is not part of the PageRank calculation.

Strictly speaking, link quality is determined by keyword factors, which was the topic of the previous section of the book, but is listed here because of it’s close tie-in with your link exchange efforts.