It sometimes happens that if you do a Google search with a few keywords you get some really poor top results because some of the keywords match the actual question page and others match words that are found in the related links on the right.
For example, when searching for the term:
nodejs forever status 255
the following question page appears to be Google's top result (at least for me): How to exit in Node.JS
However, it's a really bad match. The only reason it comes up is that the first Related link is this:
which points to some unrelated Perl question: Why is the exit code 255 instead of -1 in Perl? which "contributes" the
The problem stems, I suspect, from the fact that the same html page contains keywords from unrelated questions, thus yielding a false positive match. I'm no search expert, but it's probably a good idea to think of a way of directing crawlers away from the links in the related pages...