In short Google PageRank is a web page's rank in Google search and is a whole number between 0 and 10. PageRank is an algorithm that Google uses to rank websites pages in search engine result.
According to Google:
"PageRank works by counting the number and quality of links to a page to determine a rough estimate of how important the website is. The underlying assumption is that more important websites are likely to receive more links from other websites."
ETYN's Google PageRank Checker is a free web-based online tool that is used to find the PageRank value of a web page.
To use this tool: