Page Rank is Google's system for ranking web pages based on their importance and popularity as determined by the number and quality of inbound links. Page Rank is assigned as a numerical value from 0 to 10 that indicates a page's likelihood of appearing at the top of search results. There are several techniques for improving a page's Page Rank such as adding relevant backlinks from other websites, optimizing page titles and content, submitting the site to directories, and ensuring pages link to each other to allow Page Rank to flow through the site. The document provides details on how Google calculates Page Rank and factors it considers like relevance, dangling links, and page structure. It also explains how site owners can control Page Rank distribution through link attributes and page organization