Google PR值查询工具，输入网址得到你网站的PR值，程序修改方便，改动里面的查询网址可以轻易的改为Sohu Rank值查询等，或者改为外链查询工具都有可能。-Google PR value of query tools, enter the URL to be the PR value of your site, to facilitate changes in procedures, changes to the query inside the URL can be easily changed to the value of inquiry, such as Sohu Rank, or outside the chain query tool change is possible.