Lately I have been reading a lot about search engines, specifically, because I wanted to know how random content is handled. I also tried to compute the PageRank for a random connectivity matrix. However I thought t would be interesting to compute the same ranking for my own blog. People already tried to replicate what Google does. I also found some libraries, that provide this functionality:
However these are to complicated and primarily supposed to be used for search, so it not so much fun to use these for experimenting, unless you want to build a search engine.