Xtreme Link Analyzer lets you know many interesting statistics about your web-site and your competitors' websites. Within seconds it analyzes the Google and Alexa page rank, then gives you the number of backlinks of all major search engines and finally lets you know how many indexed pages that specific website has.In case you didn't know, PageRank is Google's way of deciding a page's importance and it varies from 0-10. Alexa ranking on the other hand, comes from the traffic of Alexa Toolbar users. The information is sorted, sifted, anonymized, counted, and computed in order to get the traffic rankings shown in the Alexa service. Elsewhere, backlinks are incoming links to web page. The number of backlinks is an indication of the popularity or importance of that page.