Last year, I started a small blog on wordpress.com. Most of my blog posts are about computational statistics.
When I look at the site stats, I've noticed a number of strange incoming links. Usually, the links have been shortened using a url shortener and the same sites appear each day (although the shortened url is differs). The sites clearly have no external links to my blog and the topics are unrelated.
What's the purpose of these sites? Do they hope that I would link to them?
Example site - warning I don't know if this site is a security risk, since I visit them under linux with noscript running: