Many new Internet marketers obsess over Google pagerank believing it to be the route to rising in the search results, where in fact pagerank is just one of many factors involved in your search engine ranking and, most misleading, what you see in the Google Toolbar is very inaccurate anyway.

Authority in a search context takes into account all the elements of a site then determines a grading on the spectrum from completely authoritative through to no authority at all. The more authoritative and trusted your site, the better you will rank.

How to Grow Your Google Authority? There are many factors that directly influence your Google authority including the domain, quantity and quality of links, plus traffic elements.

Source: How to Grow Your Google Authority