I retrieved a cached version of the referrer page, and received some cropped version with no links to the checked sites. Size of the cropped version was ...

Total incoming links ("backlinks"), Use this tool to check your total ... of outgoing links on referrer page, Fewer is better - makes yours more important ...

The link won't work ("No page name given") if you block referrer information. ... according to size, number of incoming links and number of outgoing links. ...

I know in terms of referring traffic it does but I'm thinking in terms of ... In which case the main index page which has a PR2 and no outgoing links other ...