This document provides an overview of measuring website traffic and how search engines like Google work. It discusses key metrics like monthly unique visitors, page views, and bounce rate. It explains that Google uses over 200 factors to determine search result relevance, with PageRank still being a core factor. PageRank is determined by the quantity and quality of links to a site, so linking from blogs and using widgets can help improve it. The document notes it takes a significant amount of monthly traffic, like 100,000 unique visitors generating 500,000 page views, to earn meaningful revenue from online advertising.