You can clone with
HTTPS or Subversion.
(Imported from Trac #162, reported by ross on 2007-10-09)
(suggested by Björn Buckwalter)
This information would be useful to both users and maintainers.
It would be hard to do with the current setup. Downloads aren't intercepted -- they're direct URLs for the tar files. Page views do go through a script, though (but counting them is probably less useful).
Downloads now show up on Hackage.