If you don’t have such an account, you can sign up for one at http://www.bing.com/toolbox/webmaster; you’ll need a Windows Live ID, which is free to set up. Now if you’ve never used Yahoo Site Explorer, you may be wondering what all the fuss is about. Before it was closed, YSE was perhaps the only free tool you could use to examine the backlinks accumulated by websites other than your own…including your competitors. It provided other functions as well, that in many cases you’d have to pay for elsewhere. Sujan Patel offers a list of Bing Links Explorer’s features, and explains how to use the…