Google page rank tool basically predicts you website’s future page rank based on quantity and quality of your website’s back links. It is not an exact number, it is a prediction. Google has not disclosed the bases of page rank determination. We cannot find exact page rank of our website, but Google page rank checker tools is considered as most efficient tool and also its results are considered near to exact Google Page Rank. It displays numerical results from 0 (least important) to 10(most important). https://searchengineoptimization-service.org/seo-tools/page-rank-checker-tool/