Many modern search engines use page rank and back links as one way of measuring how relevant a website is to a particular search query. As a gross simplification, more and better quality back links = higher page rank = higher search engine rankings for your site.
Exploring Google Page Rank And Alexa Rank
As we approach the quarterly update from Google on website Pageranks this article explores what Pagerank and Alexa Rank actually are and how they can be used to describe how well your website is performing.
Alexa traffic rank: what it is and why you should care (or not)
Alexa is an Amazon owned company that is famous for its public traffic ranking service via its alexa.com website. Website promotion guides often make a big deal about how to improve your Alexa ranking because a top position is often associated with high profits. As a new webmaster, you must understand a few very important points about Alexa?s service. This article will explain what the data collected by Alexa mean and then describe why you should care or not.