Yahoo's Site Explorer results of eok.net
I've noticed in recent months, many marketeers are trying out simple campaigns that involve bloggers linking to a microsite, survey, or some interactive game. While web analytics is a great way to track visitors, it doesn't have the best view of who's linking to your site. I found Yahoo's Site Explorer tool to be very handy for that. Here's an example of who's linking to this site. In fact, if you know the URL of your competition's site, you could check out their success rate as well.