This is more of an observation than a question, but I wanted to see if someone had a comment on it (or finds it interesting at all). I have a bunch of sites that are part of a thinly disguised network (= they're not officially part of a network, but we don't go to any lenghts to hide it i.e. they link randomly to each other etc). When checking the crawl stats I realized that those sites almost identical patterns of crawl spikes. When I checked a site that had nothing to do with that network the spike patter looked completely different.
Anyone care to venture a guess or comment on to how this works exactly?
