Two things for you to consider: 1. Turn this into an API that webmasters can send you their data which you crunch into useful reports. This just might be a dec

Two things for you to consider: 1. Turn this into an API that webmasters can send you their data which you crunch into useful reports. This just might be a decent money earner. 2. A sitemap importer to kick start the reporting. It should be quite easy as sitemaps are some flavour of XML or plain text.