lucy24 - 12:25 am on Jul 1, 2013 (gmt 0)
However, saw plain as day, the 200 header response in the logs.
The response is less significant than the fact that there was a request to respond to.
I've had to 403 the major search engines because they persist in trying for the piwik directory even though it's roboted-out. Meanwhile, other roboted-out directories with ordinary <a href> html links from accessible pages remain perfectly safe. Go figure.